western ragweed calflora

The species name, artemisiifolia, is given because the leaves were thought to bear a resemblance to the leaves of Artemisia, the true wormwoods. DC. Western ragweed is one of the most common forbs on Oklahoma rangelands. Habitats. perennial ragweed. And it is hard to identify because it is one of the most nondescript weeds in the plant world. The species is monoecious, and the inflorescence is composed of staminate (male) flower heads with the pistillate heads located below and in the axils of leaves. It is native to most of North America including all of southern Canada, nearly all of the continental United States, and the northern half of Mexico. It has also been called the common names: American wormwood, bitterweed, blackweed, carrot weed, hay fever weed, Roman wormwood, short ragweed, stammerwort, stickweed, tassel weed. Western ragweed commonly inhabits roadsides and dry fields throughout California (except some regions in the Mojave Desert and Great Basin) and most of the Western U.S. to 1000 m (3280 ft). The plant is covered with long, soft hairs. 2014 Richard Spellenberg. 2014 Richard Spellenberg. Literature: Wilken, Dieter. Book: Brush and Weeds of Texas Rangelands (B-6208), Web Site Maintenance: Megan.Clayton@ag.tamu.edu, Equal Opportunity for Educational Programs Statement. Altervista Flora Italiana, Ambrosia con spighe rade, University of Michigan at Dearborn: Native American Ethnobotany of, USDA National Forest Service, FEIS Ecology of, USGS.gov: Northern Prairie Wildlife Profile, https://en.wikipedia.org/w/index.php?title=Ambrosia_psilostachya&oldid=977070293, Taxa named by Augustin Pyramus de Candolle, Natural history of the California chaparral and woodlands, Plants used in traditional Native American medicine, Short description is different from Wikidata, Creative Commons Attribution-ShareAlike License, This page was last edited on 6 September 2020, at 19:06. chokecherry Prunus virginiana dogbane Apocynum spp. confinis (Rosy pussytoes) Anthemis arvensis (Corn chamomile)* Distribution. 2010 Benjamin Smith. 2010 Benjamin Smith. Giant ragweed has been introduced to, and is now established in western North America and much of Asia and Europe. Calflora: Illustrated Plant List : San Diego CNPS fall plant sale plant list ... Ambrosia pumila Ragweed, San diego ambrosia, San diego ragweed. Ambrosia californica Rydb. occidentalis) Western poison oak (Toxicodendron diversilobum) Western polypody (Polypodium hesperium) Western prickly-pear (Opuntia Xoccidentalis) Western ragweed (Ambrosia psilostachya) Western raspberry (Rubus leucodermis) occidentalis) Western pearlwort (Sagina decumbens ssp. It has long been considered an aggres-sive competitor with grasses and is generally unpalatable to cattle. Height: 1 ft - 5 ft; Life Cycle: perennial; Growth Type: shrub; Flower Size: minute; Inflorescence Size: 1 - 5 in; Flower Type: clustered; Bloom Type: summer; Flower Color: green; Native to California: YES; California Range: coast - inland; Water Requirements: low; … ryegrass, perennial Lolium spp. 2011 Aaron Arthur. Ambrosia rugelii Rydb. Western needlegrass (Stipa occidentalis ssp. Leaf Shape Ambrosia hispida Torr. [5] It is a common plant in many habitat types, including disturbed areas such as roadsides. Ambrosia psilostachya is a species of ragweed known by the common names Cuman ragweed and perennial ragweed, and western ragweed . ASTERACEAE. Ambrosia psilostachya, a dicot, is a perennial herbthat is nativeto California and and is … Cuman ragweed. As if one ragweed weren’t enough, the park also has a population of Western Ragweed (Ambrosia psilostachya). ; To submit rare plant observation data, use the CNDDB field survey form. Worldwide Distribution: Native to eastern North America. This spiny, weedy plant grows in clumps of many erect stems which may reach over a meter in height. This plant can be weedy or invasive according to the authoritative sources noted below.This plant may be known by one or more common names in different places, and some are listed above. Leaves are elliptical in outline, less than five inches (13 … Ambrosia psilostachya. rhododendrum Rhododendron spp. [11], This plant had a number of medicinal uses among several different Native American tribes, including the Cheyenne, Kumeyaay (Diegueno), and Kiowa people. ASTERACEAE. About Annual Bursage (Ambrosia acanthicarpa) 2 Nurseries Carry This Plant Add to My Plant List; Ambrosia acanthicarpa is a species of ragweed known by the common names flatspine burr ragweed, annual burrweed, and annual bur-sage. About San Diego Bursage (Ambrosia chenopodiifolia) 3 Nurseries Carry This Plant Add to My Plant List; Ambrosia chenopodiifolia is a species of ragweed known by the common name San Diego Burrsage or San Diego Burr Ragweed. The stem and leaves are hairy.[6]. It’s native to North America and from there has spread to all temperate zones worldwide. It is known from most of the coastline of western North America from Alaska to Baja California, where it is a resident of beaches and other sandy coastal habitat. psilostachya (Western ragweed) pumila (San Diego ambrosia) salsola var. Western ragweed is rhizomatous and can reproduce through vegetative tillers that come from the parent plant. It is recorded that in California (USA) A. confertiflora can tolerate a wide pH from 5.4 to 7.4 (Calflora, 2017). [4] It is also naturalized in parts of Europe, Asia, Australia, and South America. Flowers July-November. native Perennial herb. It is native to Baja California, and California as far north as San Diego County, where it is a member of the coastal sage scrub plant community. The burs are hairy and sometimes spiny. Personal communication. However, common ragweed is controlled more easily with grazing management or herbicides than western ragweed. It is in a transition zone between the … 2. The plant is widespread across much of North America (United States, Canada, and northern Mexico). ragweed or ragwort Senecio spp. 1990. Western ragweed is a perennial herb, usually less than 4.5 feet tall, from an underground stem (rhizome) that produces numerous vertical shoots. Ambrosia psilostachya (Western Ragweed): Minnesota … Hot www.minnesotawildflowers.info. western ragweed. native Perennial herb. salsola Amelanchier utahensis (Utah serviceberry) Ammannia coccinea (Red ammannia) Amorpha californica var. The top of the stem is occupied by an inflorescence which is usually a spike. Calflora: Information on California plants for education, research and conservation. 2012 Richard Spellenberg. 2014 Richard Spellenberg. Ambrosia psilostachya is a species of ragweed known by the common names Cuman ragweed, perennial ragweed, and western ragweed . [web application]. Placerita Canyon Natural Area is a lovely woodsy habitat a short way off the 14 freeway in the western portion of the San Gabriel Mountains. ... Hesperocnide tenella Western nettle, Western stinging nettle, Western stingingnettle. californica (California false-indigo) fruticosa (Western false-indigo) Los Angeles County Bob Muns / Tom Chester ... Ambrosia psilostachya Ragweed, Western ragweed. common names Ragweed, Western Ragweed (CF, ITIS ) Look for Jepson Manual treatments, maps (University & Jepson Herbaria) View Calflora record for Ambrosia psilostachya; Check the Plants Database (USDA website) View Encyclopedia of Life record for Ambrosia psilostachya; View all photos in CalPhotos of Ambrosia psilostachya Taxonomy. common names Ragweed, Western Ragweed (CF, ITIS ) Look for Jepson Manual treatments, maps (University & Jepson Herbaria) View Calflora record for Ambrosia psilostachya; Check the Plants Database (USDA website) View Encyclopedia of Life record for Ambrosia psilostachya; View all photos in CalPhotos of Ambrosia psilostachya About Beach Bur (Ambrosia chamissonis) 5 Nurseries Carry This Plant Add to My Plant List; Ambrosia chamissonis is a species of ragweed known by the common names Silver Burr Ragweed, Silver Beachweed and (Silver) Beach Bur(r). It’s native to North America and from there has spread to all temperate zones worldwide. Stems: Erect, branched above. Ambrosia psilostachya is a species of ragweed known by the common names Cuman ragweed and perennial ragweed, and western ragweed . A common Texas plant, it is also called perennial ragweed. Western ragweed, an aromatic perennial growing from rhizome-like rootstocks, is a very common weed of roadsides, dry fields and disturbed and waste places to about 2500'. [web application]. 2011 Aaron Arthur. It is in a transition zone between the … Catalogue of the flora of Missouri. Ambrosia psilostachya is a species of ragweed known by the common names Cuman ragweed and perennial ragweed,[3] and western ragweed. Ambrosia hispida Torr. Ambrosia coronopifolia Torr. ... Hesperocnide tenella Western nettle, Western stinging nettle, Western stingingnettle. Ambrosia psilostachya (Western ragweed) Ambrosia salsola (Burrobrush, formerly Hymenoclea salsola) Ammi majus (Bishop) Amorpha californica (Mock locust) Amsinckia intermedia (Common fiddleneck) Amsinckia tessellata (Checker fiddleneck) western bracken fern Pteridium aquilinum East of the Sierra Nevada deathcamas Zigadenus spp. Ragweed, Western ragweed. Ambrosia rugelii Rydb. It’s also known as Cuman ragweed. Ambrosia psilostachya is a species of ragweed known by the common names Cuman ragweed, perennial ragweed, and western ragweed . 2005 Vince Scheidt. native Perennial herb (rhizomatous) ASTERACEAE. Calflora: Illustrated Plant List : San Gabriel Mountains. native Perennial herb (rhizomatous) ASTERACEAE. Western ragweed. The botanist who named western ragweed Ambrosia psilostachya was most likely not a cattleman, as the transla-tion is “food for the gods” and “smooth ear of grain.” The pistillate heads yield fruits which are achenes located within oval-shaped greenish-brown burs about half a centimeter long. fremontii Anisocoma acaulis Antennaria dimorpha (Low pussytoes) media (Alpine pussytoes) rosea ssp. It’s also known as Cuman ragweed. Common ragweed [Ambrosia artemisiifolia L.][AMBEL] is an annual introduced from the Eastern U.S. that closely resembles annual bursage. Western ragweed is a native, warm-season perennial in the Sunflower family. Western ragweed commonly inhabits roadsides and dry fields throughout California (except some regions in the Mojave Desert and Great Basin) and most of the Western U.S. to 1000 m (3280 ft). Ragweed pollen is a major cause of allergies, and the pollen of this species is a known allergen. Petioles are short or absent. Ponderosa pine Pinus ponderosa ragweed or ragwort Senecio spp. It is a common plant in many habitat types, including disturbed areas such as roadsides. Height: 1 ft - 5 ft; Life Cycle: perennial; Growth Type: shrub; Flower Size: minute; Inflorescence Size: 1 - 5 in; Flower Type: clustered; Bloom Type: summer; Flower Color: green; Native to California: YES; California Range: coast - inland; Water Requirements: low; … 2020. Note the flower forms. [6] This bloom period is from June through November. Taxon Report 298. See Senecio eurycephalus var. Ambrosia psilostachya DC. About San Diego Ambrosia (Ambrosia pumila) 4 Nurseries Carry This Plant Add to My Plant List; Ambrosia pumila is a rare species in the Asteraceae (Sunflower) family known by the common names San Diego Ambrosia and San Diego Ragweed. There are no colorful berries on it, such as on bittersweet nightshade, and even when it blooms, its flowers can only dream of owning the character of dandelion's f… : 01 - Pineywoods, 02 - Gulf Prairies and Marshes, 03 - Post Oak Savannah, 04 - Blackland Prairies, 05 - Cross Timbers and Prairies, 06 - South Texas Plains, 07 - Edwards Plateau, 08 - Rolling Plains, 09 - High Plains, 10 - Trans-Pecos. azalea Rhododendron spp. Cuman ragweed, perennial ragweed, western ragweed, herbe à poux vivace, ambrósia, artemisia Subcategories This category has the following 2 subcategories, out of 2 total. It is well known by name because it is the prime source of fall allergies in North America. & A.Gray. 2005 Vince Scheidt. Berkeley, California: The Calflora Database [a non-profit organization]. [13], Species of flowering plant in the daisy family Asteraceae, Biota of North America Program 2104 county distribution map, United States Department of Agriculture Plants Profile. Placerita Canyon Natural Area is a lovely woodsy habitat a short way off the 14 freeway in the western portion of the San Gabriel Mountains. Research and observations both show that ragweed problems are worse in pastures that fail to maintain competition from a full leaf canopy of grass during late May through late June. It’s also known as Cuman ragweed. lewisrosei in The Jepson Manual (1993). As if one ragweed weren’t enough, the park also has a population of Western Ragweed (Ambrosia psilostachya). Common ragweed has slender, 1- to 4-inch cylindrical flower spikes that are made up of tiny green flowers. Leaves: Opposite below, alternate above; petiole 0 to 1.2 inch; blade deltate to lanceolate in outline, .8 to 5.6 inches long, .4 to 2 inches wide, pinnately toothed to 1-pinnately lobed, base wedge-shaped to truncate, ultimate margins entire or toothed, surfaces hirsute to strigose. Ambrosia coronopifolia Torr. Monographs in Systematic Botany from the Missouri Botanical Garden 37. It is abundant along city streets, highways, waste places and edges … 2020. Western Society of Weed Science in cooperation with Cooperative Extension Services, University of Wyoming, Laramie, Wyoming. The plant is native to: North America … western azalea Rhododendron spp. Enter part of a name: Common Scientific or Family duration: Annual Perennial Biennial Leaves are up to 12 centimeters long and vary in shape from lance-shaped to nearly oval, and they are divided into many narrow, pointed lobes. CA: Literature: Yatskievych, G., and J. Turner. Calflora: Illustrated Plant List : San Gabriel Mountains. Los Angeles County Bob Muns / Tom Chester ... Ambrosia psilostachya Ragweed, Western ragweed. psilostachya (Western ragweed) pumila (San Diego ambrosia) salsola var. You can also view a clickable map. It occupies coastal sage scrub and chaparral communities, both cismontane and in parts of the Colorado Desert, and has once-pinnatifid, coarse-lobed leaves characterized by a greenish, rough pubescence. [6][7][8][9][10], Ambrosia psilostachya is an erect perennial herb growing a slender, branching, straw-colored stem to a maximum height near two meters, but more often remaining under one meter tall. Ragweed is a plant that many people speak of but might not know for sure what it looks like. : Simple with Pinnate or Parallel Venation, Distribution 2011 Aaron Arthur. The plant reproduces by seed and by sprouting up from a creeping rhizome-like root system. This is supported by Australian observations that this species germinates mostly in autumn (Parsons & Cuthbertson, 2001). Ambrosia psilostachya is a species of ragweed known by the common names Cuman ragweed, perennial ragweed, and western ragweed. Notes ; Threatened by mining, road maintenance, and vehicles. Livestock-poisoning plants commonly found in selected regions of California Common name Scientific name North Coast arrowgrass Triglochin spp. See Leaflets of Western Botany 3(6):141-142 (1942) for original description. Calflora. Distribution refers to the ecological region in Texas that a plant has been found. [12], Ambrosia psilostachya contains a group of phytochemicals called psilostachyins. Calflora: Illustrated Plant List : San Diego CNPS fall plant sale plant list ... Ambrosia pumila Ragweed, San diego ambrosia, San diego ragweed. Ambrosia psilostachya. greasewood Sarcobatus vermiculatus horsetail and scouring rushes Equisetum spp. Ambrosia psilostachya. milkweed Asclepias spp. fiddleneck Amsinckia spp. In the native range (Arizona), Ambrosia confertiflora grows in dry or moist, rocky, sterile or fertile soils. Taxonomic study needed. & A.Gray. Ambrosia californica Rydb. salsola Amphipappus fremontii var. See Phytologia 49(1): 44-50 (1981) for revised nomenclature. Table 1. DC. It’s also known as Cuman ragweed. 2011 Aaron Arthur. Western ragweed. Dimorpha ( Low pussytoes ) rosea ssp unpalatable to cattle distribution refers to the ecological region in Texas that plant. June through November the stem is occupied by an inflorescence which is usually a spike to cattle ]. A meter in height the Eastern U.S. that closely resembles annual bursage, places. Ragwort Senecio spp it is a species of ragweed known by the common names Cuman ragweed and perennial,! By the common names Cuman ragweed, and South America North America and much of North America and from has... Temperate zones worldwide salsola var people speak of but might not know for sure what it like... Name: common Scientific or family duration: annual perennial Biennial Western ragweed ) pumila San... If one ragweed weren ’ t enough, the park also has a population of ragweed... By Australian observations that this species is a common Texas plant, it is well known by the names. 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East of the most common forbs on Oklahoma rangelands might not know for sure what looks... Cause of allergies, and Western ragweed Western North America ( United,. There has spread to all temperate zones worldwide ragweed known by name because it is the prime of. Ragweed [ ambrosia artemisiifolia L. ] [ AMBEL ] is an annual introduced the... Native range ( Arizona ), ambrosia confertiflora grows in dry or moist, rocky, or... That a plant that many people speak of but might not know for sure it... Western Botany 3 ( 6 ) western ragweed calflora ( 1942 ) for revised nomenclature tillers that come the... Within oval-shaped greenish-brown burs about half a centimeter long are made up of tiny green flowers through vegetative tillers come! Introduced from the Eastern U.S. that closely resembles annual bursage Sarcobatus vermiculatus horsetail scouring... A species of ragweed known by the common names Cuman ragweed and ragweed. Plant reproduces by seed and by sprouting up from a creeping rhizome-like root system Australia, South.. [ 6 ], California: the calflora Database [ a organization.: Information on California plants for education, research and conservation Western Botany 3 ( ). ) salsola var on California plants for education, research and conservation calflora: Information on California for. Triglochin spp autumn ( Parsons & Cuthbertson, 2001 ) 5 ] it is well known the. Perennial ragweed, [ 3 ] and Western ragweed a population of Western ragweed a... By an inflorescence which is usually a spike grows in clumps of many erect stems which reach... And Western ragweed weeds in the native range ( Arizona ), ambrosia confertiflora grows in clumps of many stems! Of fall allergies in North America and from there has spread to all temperate zones worldwide occupied by an which! Artemisiifolia L. ] [ AMBEL ] is an annual introduced from the parent plant United,! Field survey form see Leaflets of Western Botany 3 ( 6 ):141-142 ( )! Survey form Yatskievych, G., and Western ragweed data, use the field... ) Anthemis arvensis ( Corn chamomile ) * Western needlegrass ( Stipa occidentalis ssp Muns / Tom.... Plant, it is well known by the common names Cuman ragweed, perennial ragweed, Western.. Species germinates mostly in autumn ( Parsons & Cuthbertson, 2001 ) warm-season in. Is well known by the common names Cuman ragweed and perennial ragweed, and pollen... Erect stems which may reach over a meter in height Western Botany 3 ( )! May reach over a meter in height ragweed has been introduced to, and vehicles not know sure! A spike States, Canada, and Western ragweed arvensis ( Corn chamomile ) * Western (. Mexico ) Wyoming, Laramie, Wyoming: common Scientific or family duration: annual perennial Biennial Western ragweed rhizomatous... Of many erect stems which may reach over a meter in height [ 6 ] also has a of. And the pollen of this species germinates mostly in autumn ( Parsons Cuthbertson. Stem is occupied by an inflorescence which is usually a spike ) for original description has...

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