| 词条 | Jefea |
| 释义 |
|image = |image_caption = |regnum = Plantae |unranked_divisio = Angiosperms |unranked_classis = Eudicots |unranked_ordo = Asterids |ordo = Asterales |familia = Asteraceae |genus = Jefea |genus_authority = Strother 1991 |type_species = Jefea lantanifolia 1991[1] |type_species_authority = (S.Schauer) Strother |tribus=Heliantheae[2] |}}Jefea is a genus of North American flowering plants in the sunflower family, native to Mexico and the southwestern United States.[1][2] These are shrubs up to 200 cm (80 inches) tall, with yellow or orange flower heads containing both ray and disc flowers.[3]
see Zexmenia
References1. ^1 Strother, John Lance 1991. Systematic Botany Monographs 33: 22–23 {{Taxonbar|from=Q6173163}}{{Heliantheae-stub}}2. ^Tropicos, Jefea Strother 3. ^Flora of North America, Jefea Strother 1991 4. ^The Plant List search for Jefea 5. ^Biota of North America Program 2013 county distribution map 6. ^1 2 Flann, C (ed) 2009+ Global Compositae Checklist 3 : Heliantheae|Asteraceae genera|Flora of North America |
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