Flora of North America species comparison

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Thurovia triflora

three-flower snakeweed
Leaves

ascending-appressed, 2–10(–15) mm, gradually reduced distally.
Disc corollas

2.3–2.8 mm.
Heads

10–20, borne singly in leaf axils, sessile or subsessile.
Cypselae

0.9–1.7 mm;

pappi equaling corollas, erose, apiculate.
2n

= 10.

Thurovia triflora
Phenology Flowering Sep–Nov.
Habitat Clay soil, less commonly sandy loam, coastal flats and shallow banks, "slick spots" in coastal prairie grasslands, upper margins of ecotone between salty prairies and tidal flats, openings in thickets
Elevation 0–10 m (0–0 ft)
Distribution
from FNA
TX
[BONAP county map]
Discussion

Of conservation concern.

Thurovia triflora is known only from Calhoun, Harris, Jackson, and Matagorda counties on the Gulf coastal plain of southeastern Texas.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 20, p. 87.
Parent taxa Asteraceae > tribe Astereae > Thurovia
Synonyms Gutierrezia triflora
Name authority Rose: Contr. U.S. Natl. Herb. 3: 321, plate 15. (1895)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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