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Drummond's wood-sorrel

Habit 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.

Oxalis drummondii

Phenology Flowering Mar–Nov.
Habitat Sandy-gravelly soils, limestone soils, disturbed areas, prairies, limestone hills, open woodlands, chaparral.
Elevation 20–300 m. (100–1000 ft.)
Distribution
from FNA
TX; Mexico (Coahuila, Nuevo León, San Luis Potosí, Tamaulipas)
[WildflowerSearch map]
[BONAP county map]
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.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 12, p. 149.
Parent taxa Oxalidaceae > Oxalis
Sibling taxa
O. albicans, O. articulata, O. bowiei, O. brasiliensis, O. caerulea, O. californica, O. colorea, O. corniculata, O. debilis, O. decaphylla, O. dichondrifolia, O. dillenii, O. florida, O. frutescens, O. grandis, O. hirta, O. hispidula, O. illinoensis, O. incarnata, O. intermedia, O. latifolia, O. laxa, O. macrantha, O. metcalfei, O. montana, O. oregana, O. pes-caprae, O. pilosa, O. purpurea, O. stricta, O. suksdorfii, O. texana, O. triangularis, O. trilliifolia, O. violacea
Synonyms O. vespertilionis, O. amplifolia
Name authority A. Gray: Smithsonian Contr. Knowl. 5(6): 25. (1853)
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