Genus of shrubs
Trixis is a genus of shrubs in the family Asteraceae , native to North and South America including the West Indies .[ 3] [ 4]
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]
Species[ 2] [ 8] [ 9]
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
^ 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