| 词条 | Litrisa |
| 释义 |
|name = Pineland chaffhead |image = |image_caption = |regnum = Plantae |unranked_divisio = Angiosperms |unranked_classis = Eudicots |unranked_ordo = Asterids |ordo = Asterales |familia = Asteraceae |genus = Litrisa |genus_authority = Small |species = L. carnosa |binomial= Litrisa carnosa |binomial_authority = Small |synonyms_ref=[1][1] |synonyms=
|tribus=Eupatorieae[1] |}}Litrisa is a genus of flowering plants in the snakeroot tribe within the daisy family.[2][3] Some taxonomists group Litrisa and Trilisa into the genus Carphephorus.[4]
There is only one known species, Litrisa carnosa, called pineland chaffhead, native to the State of Florida in the United States.[5][6][7] It is a shrub up to 90 cm (3 feet) tall, covered with many small hairs and producing flat-topped inflorescences of many small purplish flower heads.[4] References1. ^The Plant List Litrisa carnosa Small {{Taxonbar|from=Q6648727}}{{Eupatorieae-stub}}2. ^[https://www.biodiversitylibrary.org/page/12126728#page/404/mode/1up Small, John Kunkel. 1924. Bulletin of the Torrey Botanical Club 51(9): 392] entirely in English 3. ^Tropicos, Litrisa Small 4. ^1 Flora of North America Vol. 21 Page 535 Carphephorus Cassini, Bull. Sci. Soc. Philom. Paris. 1816: 198. 1816. 5. ^1 2 Flann, C (ed) 2009+ Global Compositae Checklist {{webarchive|url=https://archive.is/20141217143920/http://dixon.iplantcollaborative.org/CompositaeWeb/default.aspx?Page=NameDetails&TabNum=0&NameId=2e6a9473-2675-4715-ab3b-7c8b18f30ba4 |date=2014-12-17 }} 6. ^Biota of North America Program 2013 county distribution map, Carphephorus carnosus 7. ^Atlas of Florida Vascular Plants 4 : Eupatorieae|Endemic flora of Florida|Monotypic Asteraceae genera|Taxa named by John Kunkel Small |
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