| 词条 | Erigeron canaani |
| 释义 |
|name = Erigeron canaani |image = 2016.04.22 12.43.13 IMG 4946 - Flickr - andrey zharkikh.jpg |regnum = Plantae |unranked_divisio = Angiosperms |unranked_classis = Eudicots |unranked_ordo = Asterids |ordo = Asterales |familia = Asteraceae |tribus = Astereae |genus = Erigeron |species = E. canaani |binomial = Erigeron canaani |binomial_authority =S.L.Welsh |synonyms_ref=[1] |synonyms=*Erigeron higginsii S.L.Welsh |}}Erigeron canaani is a rare species of flowering plants in the daisy family known by the common name Abajo fleabane.[2] It has been found only in southern Utah, in sandy soil and in cracks on cliff faces in Washington, Kane, and San Juan Counties.[2]Erigeron canaani is a perennial herb up to 30 cm (12 inches) tall, producing a taproot. One plant can produce several flower heads, sometimes one per branch, sometimes in groups of 2 or 3. Each head has 15–22 white or purpleray florets, plus numerous small yellow disc florets.[3] The species is named for Canaan Mountain south of Zion National Park. The common name "Abajo fleabane" refers to the Abajo Mountains south of Canyonlands National Park.[4] References1. ^The Plant List, Erigeron canaani S.L.Welsh {{Taxonbar|from=Q15590492}}{{Astereae-stub}}2. ^Biota of North America Program 2014 county distribution 3. ^1 Flora of North America, Erigeron canaani S. L. Welsh, Great Basin Naturalist. 43: 366. 1983. Abajo fleabane 4. ^Welsh, Stanley Larson. 1983. Great Basin Naturalist 43(2): 366 3 : Erigeron|Flora of Utah|Plants described in 1983 |
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