| 词条 | Hymenoxys lemmonii |
| 释义 |
|image = Hymenoxys lemmonii 1.jpg |status = G3 |status_system = TNC |regnum = Plantae |unranked_divisio = Angiosperms |unranked_classis = Eudicots |unranked_ordo = Asterids |ordo = Asterales |familia = Asteraceae |genus = Hymenoxys |species = H. lemmonii |binomial = Hymenoxys lemmonii |binomial_authority = (E. Greene) Cockerell 1904 |synonyms_ref=[1] |synonyms={{collapsible list|bullets = true |title=Synonymy |Hymenoxys lemmoni (E. Greene) Cockerell |Picradenia lemmonii Greene 1898 |Picradenia lemmoni Greene 1898 |Actinea lemmoni (Greene) S.F. Blake |Actinea lemmonii (Greene) S.F. Blake |}}}}Hymenoxys lemmonii is a species of flowering plant in the daisy family known by the common names Lemmon's rubberweed, Lemmon's bitterweed, and alkali hymenoxys.[2] It is native to the western United States in and around the Great Basin in Utah, Nevada, northern California, and southeastern Oregon.[3]Hymenoxys lemmonii is a biennial or perennial herb with one or more branching stems growing erect to a maximum height near 50 centimeters (20 inches). It produces straight, dark green leaves up to 9 centimeters (3.6 inches) long and divided into a number of narrow, pointed lobes. The foliage and stem may be hairless to quite woolly. The daisy-like flower head is generally at least 1.5 centimeters (0.6 inches) wide, with a center of 50–125 thick golden disc florets and a shaggy fringe of 9–12 golden ray florets.[4] The species is named for John Gill Lemmon, husband of prominent American botanist Sarah Plummer Lemmon.[5] References1. ^Tropicos, Picradenia lemmonii Greene 2. ^{{GRIN | accessdate = 21 January 2018}} 3. ^Biota of North America Program 2014 county distribution map 4. ^Flora of North America, Hymenoxys lemmonii (Greene) Cockerell, 1904. Lemmon’s rubberweed or bitterweed 5. ^[https://www.biodiversitylibrary.org/item/52470#page/303/mode/1up Greene, Edward Lee. 1898. Pittonia 3(18A): 272] External links{{Commons|Hymenoxys lemmonii}}
3 : Hymenoxys|Plants described in 1898|Flora of the Western United States |
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