View source for Trixis

{{Treatment/ID
|accepted_name=Trixis
|accepted_authority=P. Browne
|publications={{Treatment/Publication
|title=Civ. Nat. Hist. Jamaica,
|place=312, plate 33, fig. 1. 1756
|year=1756
}}
|common_names=Threefold
|basionyms=
|synonyms=
|hierarchy=Asteraceae;Asteraceae tribe Mutisieae;Trixis
|hierarchy_nav=<div class="higher-taxa"><div class="higher-taxon"><small>family</small>[[Asteraceae]]</div><div class="higher-taxon"><small>tribe</small>[[Asteraceae tribe Mutisieae]]</div><div class="higher-taxon"><small>genus</small>[[Trixis]]</div></div>
|etymology=Greek trixos, 3-fold, describing the 3-cleft corolla
|volume=Volume 19
|mention_page=page 12, 14, 59, 70, 71, 73, 76
|treatment_page=page 75
}}<!--

--><span class="statement" id="st-undefined" data-properties=""><b>Shrubs </b>[herbs], 20–300+ cm (often rhizomatous, stems hairy, hairs gland-tipped and glandless). <b>Leaves</b> cauline; sessile or petiolate; blades elliptic, lanceolate, linear, or linear-lanceolate, bases cuneate, margins dentate or entire, faces (at least abaxial) usually glandular and ± strigose. <b>Heads</b> quasi-radiate (see florets), borne singly or in corymbiform or paniculiform arrays. <b>Involucres</b> ± cylindric, 12–15 mm (subtended by calyculi of 3–7 spreading or ascending bractlets). <b>Phyllaries</b> (reflexed in fruit) in 1–2 series, linear (± keeled), apices acute. <b>Receptacles</b> flat, smooth, hairy, epaleate. <b>Florets</b> 4–25[–60], bisexual, fertile; corollas yellow (aging white), zygomorphic (2-lipped; outer lip liguliform, lobes 3, lance-deltate, inner lip smaller, lobes ± filiform, recurved); anther basal appendages entire, apical appendages oblong, acute; style branches relatively short, apices truncate-penicillate. <b>Cypselae</b> subcylindric to fusiform, often ± beaked, ribs 5, faces glandular-hairy; pappi of 60–80+ dull white [tawny], finely barbed bristles. <b>x</b> = 9.</span><!--

-->{{Treatment/Body
|distribution=North America;Mexico;West Indies;Central America;South America.
|discussion=<p>Species ca. 65 (2 in the flora).</p>
|tables=
|references={{Treatment/Reference
|id=anderson1972a
|text=Anderson, C. E. 1972. A monograph of the Mexican and Central American species of Trixis (Compositae). Mem. New York Bot. Gard. 22(3): 1–68.
}}
}}<!--

--><div class="treatment-key">
==Key==
<div class="treatment-key-group">
  
{| class="wikitable fna-keytable"
|-id=key-0-1
|1
|Leaves usually ascending, almost parallel with stems, stomates on both faces, induments: abaxial faces glandular and sparsely strigose (sometimes only on veins), adaxial faces glandular and strigose to pilose; papilla-like double hairs of cypselae producing mucilage when wetted
|[[Trixis californica|Trixis californica]]
|-id=key-0-1
|1
|Leaves usually spreading, stomates on abaxial faces, induments: margins and, sometimes, abaxial midveins with glandless and glandular hairs, otherwise glabrous; papilla-like double hairs of cypselae not producing mucilage when wetted
|[[Trixis inula|Trixis inula]]
|}
</div></div><!--

-->{{#Taxon:
name=Trixis
|author=David J. Keil
|authority=P. Browne
|rank=genus
|parent rank=tribe
|synonyms=
|basionyms=
|family=Asteraceae
|distribution=North America;Mexico;West Indies;Central America;South America.
|reference=anderson1972a
|publication title=Civ. Nat. Hist. Jamaica,
|publication year=1756
|special status=
|source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V19-20-21/V19_11.xml
|tribe=Asteraceae tribe Mutisieae
|genus=Trixis
}}<!--

-->[[Category:Treatment]][[Category:Asteraceae tribe Mutisieae]]