Oxalis stricta

Herbs annual or short-lived perennial, caulescent, rhizomes present, short, stolons absent, bulbs absent. Aerial stems 1(–3) from base, erect or later leaning or falling over and decumbent, not rooting at nodes, 20–60(–90) cm, herbaceous, villous, hairs ± straight, spreading, usually nonseptate and septate, septate hairs commonly concentrated at nodes, very rarely only nonseptate. Leaves basal and cauline; stipules rudimentary; petiole 2–8 cm, hairs septate and nonseptate; leaflets 3, light green to yellowish green, obcordate, (8–)10–20(–30) mm, lobed 1/5–1/3 length, surfaces glabrous, oxalate deposits absent. Inflorescences usually regular cymes, rarely irregular cymes, (1–)5–7(–15)-flowered; peduncles 3–9(–11) cm. Flowers homostylous or slightly to strongly heterostylous, usually within or slightly above level of leaves; sepal apices without tubercles; petals yellow, without red lines, (6–)8–11 mm. Capsules ± cylindric, nearly terete, abruptly tapering to apex, 8–15 mm, villous to puberulent or glabrate, hairs septate. Seeds brown, transverse ridges rarely white. 2n = 18, 24.

3-6 hours of sun per day, with protection from intense mid-day sun

Oxalis Stricta

Oxalis stricta

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