| 词条 | Asanthus |
| 释义 |
| image = | image_width = | image_caption = | regnum = Plantae |unranked_divisio = Angiosperms |unranked_classis = Eudicots |unranked_ordo = Asterids |ordo = Asterales |familia = Asteraceae |subfamilia = Asteroideae |supertribus = Helianthodae |tribus = Eupatorieae | genus = Asanthus | genus_authority = R.M.King & H.Rob. }}Asanthus is a small genus of flowering plants in the daisy family, found only in northern Mexico and the southwestern United States.[1][1][2] Each of the species was originally named as a member of Brickellia, and later transferred when King and Robinson named the genus.[3] Asanthus and Brickellia both have cypsela (achenes) with 10 ribs, but in Asanthus the style is glabrous and narrow at the base whereas in Brickellia the style has a pubescent, enlarged base. Molecular phylogenetic analysis has provided support that the two genera represent phylogenetically distinct lineages and thus should be recognized as distinct.[4] The genus is named for American botanist Asa Gray, 1810–1888. His name is added to the Greek word "anthos" meaning "flower."[5]
References1. ^D.J.N.Hind & H.E.Robinson. 2007. Tribe Eupatorieae In: The Families and Genera of Vascular Plants vol.VIII. (Joachim W.Kadereit & Charles Jeffrey, volume editors. Klaus Kubitzky, general editor). Springer-Verlag. Berlin, Heidelberg. {{Taxonbar|from=Q4803563}}{{Eupatorieae-stub}}2. ^Tropicos, Asanthus R.M. King & H. Rob. 3. ^R. M. King & H. Robinson. Phytologia 24(2): 66. 1972. 4. ^Schilling, E. E., J. L. Panero, B. S. Crozier & P. Davila. 2013. Relationships of Asanthus (Asteraceae, Eupatorieae). Systematic Botany 38: 253-258. 5. ^Flora of North America, Asanthus R. M. King & H. Robinson 6. ^[https://archive.is/20141108121231/http://dixon.iplantcollaborative.org/CompositaeWeb/default.aspx?Page=NameDetails&TabNum=0&NameId=1aafc4fd-40fa-49c5-bf62-82a236236a2d Flann, C (ed) 2009+ Global Compositae Checklist ] 7. ^Vascular Plants of the Gila Wilderness, Asanthus squamulosus (Gray) King & H.E. Robinson (Scaleleaf Brickellbush, Mule Mountain Brickellbush) 8. ^1 [https://www.biodiversitylibrary.org/page/13126951#page/76/mode/1up King, Robert Merrill & Robinson, Harold Ernest. 1972. Studies in the Eupatorieae (Asteraceae) LXXIX: a new genus, Asanthus. Phytologia 24(2):65- 66] 3 : Eupatorieae|Asteraceae genera|Flora of North America |
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