Oxalis frutescens subsp. angustifolia (Kunth) Lourteig

Hirsute subshrub to 40 cm tall or smalL shrubs branched from a ligneous base, the branches ascending, twisted or decumbent; stems with hirsute, fine long, uneven pubescence; roots twisted, often swollen, to 7 mm diam. Leaves pseu-doverticillate, crowded or the internodes to 5.5 cm long, leaflets green, glaucous or violaceus, the middle one at least twice as long as the laterals, elliptic, subacute or obovate, generally notched, 10-45 mm long, 4-20 mm wide, the lateral leaflets oblong, rarely-elliptic, asymmetric, notched, 4-20 mm long, 1.5-10 mm wide; pubescence dense on both faces or above glabrous or glabrescent, some speci-mens only pubescent on the midrib, ciliate; rachis 0.2-10 mm; petiole 10-40 mm, ascendent, pubescence as on the stems. Inflorescences of cymes umbelliform, 2.5 cm, somewhat taller than the foliage, 3-7(-11-15)-flowered; branches short-ened ca. 1 cm, 1 often aborted; bracts 1.5 mm and bracteoles ca. 1 mm, linear, acute; peduncles to 3.5 cm; pedicels 5 mm, pilose, articulate 1 mm from the base. Flowers with the sepals elliptic or linear, 3-5.5 mm long, 0.25-1.5 mm wide, acute, mucronate, pilose to glabrous, the interior sepal glabrate, the apex ciliate; petals yellow, 21/2-3 times the length of the sepals, obovate, clawed, slightly notched; longer stamens ca. 3 mm long, pilose, the ligule acute near the middle, the shorter stamens ca. 1.5 mm long, connate up to 1/3; pistil 4.5 mm long, pilose, the ovary ovoid, the style pilose, the stigma bifid, capitate. Capsule ovoid or oblong, 5-6 mm long, except those with 1-seeded carpels, rarely to 8 mm when carpels 8-seeded, the calyx usually 1/2 (_4/5) its length; the carpels ciliate on the back, inside pubescent, rarely glabrous, 1-5-seeded; seeds brownish 1.5-2 mm long, ovoid, apiculate, 8-ribbed in zig-zag with 10-12 transversal deep striae and fine tubercules on the intersections.