Thurovia triflora
Contr. U.S. Natl. Herb. 3: 321, plate 15. 1895.
Common names: Three-flower snakeweed
IllustratedEndemicConservation concern
Synonyms: Gutierrezia triflora (Rose) M. A. Lane
Treatment appears in FNA Volume 20. Treatment on page 87.
Leaves ascending-appressed, 2–10 (–15) mm, gradually reduced distally. Heads 10–20, borne singly in leaf-axils, sessile or subsessile. Disc corollas 2.3–2.8 mm. Cypselae 0.9–1.7 mm; pappi equaling corollas, erose, apiculate. 2n = 10.
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
Discussion
Of conservation concern.
Thurovia triflora is known only from Calhoun, Harris, Jackson, and Matagorda counties on the Gulf coastal plain of southeastern Texas.
Selected References
None.
Lower Taxa
None.
"[" is not declared as a valid unit of measurement for this property."]" is not declared as a valid unit of measurement for this property.
... more about "Thurovia triflora"
introrse +
connate +
distinct +
herbaceous +
scarious +
hirsute +
papillate +
spiciform +
continuous +
decurrent +
linear-filiform +
ribbed +
stigmatic +
persistent +
absent +
Three-flower snakeweed +
absent +
equaling +
4-nerved +
dimorphic +
white-sericeous +
0.9mm;1.7mm +
staminate +
Tex. +
straight +
glabrous +
distinct +
proximal +
1;5 +
bisexual +
dispersed +
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 +
discoid +
singly +
indeterminate +
10;20 +
Present +
surrounding +
cylindro-obconic +
singly +
sessile +
alternate +
ascending-appressed +
cauline +
spreading-recurved +
lanceolate +
1-nerved +
white-indurate +
2-carpellate +
inferior +
attached +
anatropous +
apiculate +
persistent +
tough +
thick +
absent +
connate +
persistent +
distinct +
falling +
unequal +
scarious +
Contr. U.S. Natl. Herb. +
1895 +
absent +
sterile +
epaleate +
pitted +
concave;usually flat;conic +
fibrous +
silvery white +
ovatelanceolate +
exalbuminous +
modifed +
2;2 +
alternate +
branched +
erect +
glabrous +
linear-lanceolate +
2-branched +
glabrous +
Thurovia triflora +
Thurovia +
species +
shorter +