Oxalis drummondii

A. Gray

Smithsonian Contr. Knowl. 5(6): 25. 1853.

Common names: Drummond's wood-sorrel
Illustrated
Basionym: Oxalis vespertilionis Torrey & A. Gray Fl. N. Amer. 1: 679. 1840
Synonyms: O. amplifolia (Trelease) R. Knuth
Treatment appears in FNA Volume 12. Treatment on page 149. Mentioned on page 136, 151.

Herbs perennial, acaulous, rhizomes and stolons absent, bulb solitary; bulb scales 3-nerved, margins villous-ciliate on distal 1/3–1/2. Leaves basal; petiole 5–16 cm; leaflets 3, green, sometimes with red splotches in irregular medial band adaxially, obtriangular to obcordate, (6–)14–34 mm, lobed 1/4–4/5 length, lobes apically convex to nearly truncate, surfaces glabrous, oxalate deposits absent. Inflorescences umbelliform cymes, 3–10-flowered; scapes (7–)11–23 cm, glabrous. Flowers distylous or rarely homostylous; sepal apices with 2(–6) orange, linear, thickened, apically confluent tubercles; petals white to pale green proximally with green veins, pink to violet or purple-violet distally, (8–)15–23 mm. Capsules cylindric, 4–12 mm, hairy. 2n = 14.


Phenology: Flowering Mar–Nov.
Habitat: Sandy-gravelly soils, limestone soils, disturbed areas, prairies, limestone hills, open woodlands, chaparral.
Elevation: 20–300 m.

Distribution

V12 617-distribution-map.jpg

Tex., Mexico (Coahuila, Nuevo León, San Luis Potosí, Tamaulipas).

Discussion

Oxalis drummondii is found in the flora area in central and southern Texas. Reports of this species from Arizona, New Mexico, and trans-Pecos Texas are based on misidentifications of O. latifolia and O. metcalfei.

Selected References

None.

Lower Taxa

None.
... more about "Oxalis drummondii"
Guy L. Nesom +
A. Gray +
Oxalis vespertilionis +
Drummond's wood-sorrel +
Tex. +, Mexico (Coahuila +, Nuevo León +, San Luis Potosí +  and Tamaulipas). +
20–300 m. +
Sandy-gravelly soils, limestone soils, disturbed areas, prairies, limestone hills, open woodlands, chaparral. +
Flowering Mar–Nov. +
Smithsonian Contr. Knowl. +
Illustrated +
O. amplifolia +
Oxalis drummondii +
species +