| 词条 | Erigeron velutipes |
| 释义 |
|regnum = Plantae |unranked_divisio = Angiosperms |unranked_classis = Eudicots |unranked_ordo = Asterids |ordo = Asterales |familia = Asteraceae |tribus = Astereae |genus = Erigeron |species = E. velutipes |binomial = Erigeron velutipes |binomial_authority =S.L.Welsh & Goodrich 1983 |synonyms_ref=[1] |synonyms=Erigeron alamosanus Rose }}Erigeron velutipes is a North American species of flowering plant in the daisy family known by the common names delicate fleabane[2] and Chihuahuan fleabane.[2] It is native to northern and southwestern Mexico, including in the states of Sonora, Nayarit, Michoacán, and Jalisco)[3] and just over the United States border into Santa Cruz County, Arizona.[4] Erigeron velutipes grows in moist locations near springs. It is an annual herb up to 20 centimeters (8 inches) tall, producing a taproot. The inflorescence is made up of 1-3 flower heads per stem. Each head contains 50–75; white or blue ray florets surrounding numerous yellow disc florets.[5]References1. ^The Plant List, Erigeron velutipes Hook. & Arn. {{Taxonbar|from=Q15596794}}{{Astereae-stub}}2. ^{{PLANTS|id=ERVE11|taxon=Erigeron velutipes|accessdate=1 July 2015}} 3. ^Tropicos, specimen listings for Erigeron velutipes Hook. & Arn. 4. ^Biota of North America Program 2014 county distribution map 5. ^1 Flora of North America, Erigeron velutipes Hooker & Arnott, 1841. Delicate fleabane 9 : Erigeron|Flora of Northeastern Mexico|Flora of Northwestern Mexico|Flora of Southwestern Mexico|Flora of Arizona|Natural history of the Mexican Plateau|Sierra Madre Occidental|Plants described in 1841|Taxa named by William Jackson Hooker |
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