| 词条 | Tracyina |
| 释义 |
|image = Tracyina rostrata with open ray flowers (27852495607).jpg |name = Indian headdress |regnum = Plantae |unranked_divisio = Angiosperms |unranked_classis = Eudicots |unranked_ordo = Asterids |ordo = Asterales |familia = Asteraceae |tribus = Astereae[1] |genus = Tracyina |genus_authority = S.F.Blake |species = T. rostrata |binomial = Tracyina rostrata |binomial_authority = S.F.Blake |}}Tracyina is a genus of Californian plants in the aster tribe within the daisy family.[1][2] The genus is named for Calilfornia botanist Joseph Prince Tracy, 1879–1953.[3] SpeciesThe only known species is Tracyina rostrata, which is known by the common names Indian headdress[4] and beaked tracyina.[6] It is endemic to California, where it is known only from the grassy slopes of the North Coast Ranges north of the San Francisco Bay Area (Humboldt, Trinity, Mendocino, Lake, Alameda, and Sonoma Counties).[5][6][7] References1. ^Blake, Sydney Fay. 1937. Madroño 4(3): 74–77, f. 1 2. ^Tropicos, Tracyina S.F. Blake 3. ^Flora of North America, Vol. 20 Page 50, Tracyina S. F. Blake 4. ^{{PLANTS|id=TRRO|taxon=Tracyina rostrata|accessdate=14 December 2015}} 5. ^1 [https://archive.is/20150118060730/http://dixon.iplantcollaborative.org/CompositaeWeb/Default.aspx?Page=NameSearch&searchText=Tracyina Flann, C (ed) 2009+ Global Compositae Checklist ] 6. ^Biota of North America Program 2013 distribution map 7. ^1 Calflora, Consortium of California Herbaria, Tracyina rostrata S.F. Blake External links
4 : Astereae|Endemic flora of California|Natural history of the California Coast Ranges|Monotypic Asteraceae genera |
| 随便看 |
|
开放百科全书收录14589846条英语、德语、日语等多语种百科知识，基本涵盖了大多数领域的百科知识，是一部内容自由、开放的电子版国际百科全书。