Trixis is a genus of shrubs in the family Asteraceae, native to North and South America including the West Indies.[3][4]
| Trixis | |
|---|---|
| |
| Trixis californica | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Subfamily: | Mutisioideae |
| Tribe: | Nassauvieae |
| Genus: | Trixis P.Browne 1756 not Adans. 1763 (Haloragaceae) nor Sw. 1788 (syn of Clibadium in Asteraceae)[1] |
| Synonyms[2] | |
| |
Members of the genus are commonly known as threefolds[5] due to the outer lip of the corolla. The generic name is derived from τριχος (trixos), the Greek word for 'threefold'.[6][7]
- Trixis aggregata Rusby - Bolivia
- Trixis alata D.Don - Guerrero, México State, Guanajuato
- Trixis angustifolia DC. - San Luis Potosí
- Trixis anomala B.L.Turner - Chiapas
- Trixis antimenorrhoea (Schrank) Mart. ex Baker - South America
- Trixis bowmanii Baker - Brazil
- Trixis cacalioides (Kunth) D.Don - Peru
- Trixis calcicola B.L.Rob. - Guerrero
- Trixis californica Kellogg – American threefold - USA (CA AZ NM TX), Mexico (Baja California, Baja California Sur, Sonora, Chihuahua, Coahuila, Durango, Zacatecas, Nuevo León)
- Trixis chiapensis C.E.Anderson - Guatemala, Chiapas
- Trixis erosa Sw. - Costa Rica, West Indies
- Trixis glaziovii Baker - Paraná, Rio de Janeiro
- Trixis grandibracteata C.E.Anderson - Guerrero
- Trixis grisebachii Kuntze - Bolivia, northern Argentina
- Trixis haenkei Sch.Bip. - Durango, Sinaloa
- Trixis hassleri Chodat - Paraguay
- Trixis hyposericea S.Wats. - Jalisco, Michoacán, Nayarit
- Trixis inula Crantz – Tropical threefold[5] - USA (TX), Mexico, Central America, West Indies, Colombia, Venezuela
- Trixis lessingii DC. - Paraguay, Uruguay, Brazil
- Trixis longifolia D.Don - México State, Sinaloa
- Trixis megalophylla Greenm. - México State, Oaxaca, Puebla
- Trixis mexicana Lex. - Michoacán
- Trixis michuacana Lex. - Michoacán, Jalisco, Nayarit
- Trixis nelsonii Greenm. - Guatemala, Chiapas, Oaxaca
- Trixis nobilis (Vell.) Katinas - Paraguay, Uruguay, Brazil, Argentina
- Trixis ophiorhiza Gardner - Bolivia, Brazil
- Trixis pallida Less. - Paraguay, Uruguay, Brazil, Argentina
- Trixis parviflora C.E.Anderson - Oaxaca
- Trixis peruviana Katinas - Peru
- Trixis praestans (Vell.) Cabrera - Paraguay, Uruguay, Brazil, Argentina
- Trixis pringlei B.L.Rob. & Greenm. - Guerrero, Oaxaca
- Trixis proustioides Hieron. - Colombia
- Trixis pterocaulis B.L.Rob. & Greenm. - Colima, Jalisco, Nayarit, Sinaloa, Sonora
- Trixis silvatica B.L.Rob. & Greenm. - Oaxaca
- Trixis spicata Gardner - Paraguay, Uruguay, Brazil
- Trixis thyrsoidea Dusén ex Malme - southern Brazil
- Trixis vauthieri DC. - eastern Brazil
- Trixis verbascifolia (Gardner) S.F.Blake - Minas Gerais, Rio de Janeiro
- Trixis villosa (Spreng.) Sch.Bip. - Brazil
- Formerly included
Numerous species once included in Trixis but now considered better suited to other genera: Acourtia Clibadium Dolichlasium Holocheilus Perezia Riencourtia
References
edit- ^ Tropicos, search for Trixis
- ^ a b Flann, C (ed) 2009+ Global Compositae Checklist Archived 2014-12-28 at archive.today
- ^ Browne, Patrick. 1756. Civil and Natural History of Jamaica in Three Parts page 312
- ^ Browne, Patrick. 1756. Civil and Natural History of Jamaica in Three Parts plate 33, figure 1 on left engraved black + white illustration
- ^ a b "Trixis". Integrated Taxonomic Information System. Retrieved 2010-02-16.
- ^ Quattrocchi, Umberto (2000). CRC World Dictionary of Plant Names. Vol. 4 R-Z. Taylor & Francis US. p. 2737. ISBN 978-0-8493-2678-3.
- ^ Flora of North America Vol. 19, 20 and 21 Page 75, Threefold, Trixis P. Browne, Civ. Nat. Hist. Jamaica. 312, plate 33, fig. 1. 1756.
- ^ "GRIN Species Records of Trixis". Germplasm Resources Information Network. United States Department of Agriculture. Retrieved 2010-10-01.
- ^ Biota of North America Program 2013 county distribution maps
- Anderson, C. (1972). "A monograph of the Mexican and Central American species of Trixis (Compositae)". Memoirs of the New York Botanical Garden. 22 (3): 1–68.
External links
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