Oxalis suksdorfii
Mem. Boston Soc. Nat. Hist. 4: 89. 1888.
Herbs perennial, caulescent, rhizomes present long, stolons absent, bulbs absent. Aerial stems 1 (–3) from base, mostly erect, 10–25 cm, herbaceous, sparsely to moderately villous, hairs nonseptate and usually septate. Leaves cauline; stipules rudimentary; petiole (2–) 3–5 (–6) cm, hairs septate and nonseptate; leaflets 3, green, obcordate, (8–) 10–16 (–20) mm, lobed 1/5–1/3 length, margins green, surfaces glabrous to sparsely strigose, oxalate deposits absent. Inflorescences umbelliform cymes, 1–3-flowered; peduncles (2–) 4–8 (–10) cm. Flowers tristylous, above level of leaves; sepal apices without tubercles; petals yellow, 12–20 mm. Capsules oblong-cylindric, 10–15 mm, densely puberulent. 2n = 24.
Phenology: Flowering May–Aug.
Habitat: Open woods, fir, Douglas fir-oak woodlands, dry shrublands, roadsides, disturbed areas.
Elevation: 0–700 m.
Distribution
B.C., Calif., Oreg., Wash.
Discussion
Selected References
None.
Lower Taxa
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