Trixis

Life-forms

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Asterids
Cladus: Campanulids
Ordo: Asterales

Familia: Asteraceae
Subfamilia: Mutisioideae
Tribus: Nassauvieae
Genus: Trixis
Species: T. aggregata – T. alata – T. angustifolia – T. anomala – T. cacalioides – T. calcicola – T. californica – T. calycina – T. chiapensis – T. churinensis – T. divaricata – T. forzzae – T. glaziovii – T. glutinosa – T. grandibracteata – T. grisebachii – T. haenkei – T. hassleri – T. hintoniorum – T. hyposericea – T. inula – T. jaliscana – T. lessingii – T. matisiana – T. megalophylla – T. mexicana – T. michuacana – T. nelsonii – T. nobilis – T. ophiorhiza – T. pallida – T. parviflora – T. peruviana – T. praestans – T. pringlei – T. proustioides – T. pruskii – T. pterocaulis – T. sagasteguii – T. silvatica – T. spicata – T. thyrsoidea – T. vauthieri – T. verbascifolia
Source(s) of checklist:

Hassler, M. 2018. Trixis. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2018. Species 2000 & ITIS Catalogue of Life. Published online. Accessed: 2018 Jun. 06. Reference page.

Name

Trixis P.Browne, Civ. Nat. Hist. Jamaica 312. 1756.
Type species: Trixis inula Crantz

Synonyms

Homotypic
Tenorea Colla, Hortus Ripul. 137. 1824, nom. illeg. non Raf. (1814), nec Tenoria Spreng. (1813).

References

Browne, P. (1756) Civ. Nat. Hist. Jamaica 312.

Links

Hassler, M. 2018. Trixis. World Plants: Synonymic Checklists of the Vascular Plants of the World In: Roskovh, Y., Abucay, L., Orrell, T., Nicolson, D., Bailly, N., Kirk, P., Bourgoin, T., DeWalt, R.E., Decock, W., De Wever, A., Nieukerken, E. van, Zarucchi, J. & Penev, L., eds. 2018. Species 2000 & ITIS Catalogue of Life. Published online. Accessed: 2018 Jun. 06. Reference page.
International Plant Names Index. 2018. Trixis. Published online. Accessed: Jun. 06 2018.
The Plant List 2013. Trixis in The Plant List Version 1.1. Published online. Accessed: 2018 Jun. 06.
Tropicos.org 2018. Trixis. Missouri Botanical Garden. Published online. Accessed: 06 Jun. 2018.

Vernacular names
English: threefold

Trixis is a genus of shrubs in the aster family, Asteraceae, native to North and South America including the West Indies.[4][5]

Members of the genus are commonly known as threefolds[6] due to the outer lip of the corolla. The generic name is derived from τριχος (trixos), the Greek word for 'threefold'.[7][8]

Species[2][9][10]

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[6] - 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

"Genus Trixis". Taxonomy. UniProt. Retrieved 2010-02-18.
Flann, C (ed) 2009+ Global Compositae Checklist Archived 2014-12-28 at archive.today
Tropicos, search for Trixis
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
"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.