Hypericum wilmsii R. Keller

Perennial herb, 0.06-0.2 m tall, spreading or straggling, with branches numerous from taproot, decumbent or ascending, branched, sometimes rooting. Stems 2-lined and ancipitous above, otherwise terete, eglandular or densely black-gland-dotted. Leaves with petiole to 2 mm long or rarely almost sessile; lamina (3-)6-10 x 2-7 mm, ovate or elliptic to obovate or suborbicular, plane spreading; apex rounded, margin slightly recurved, base rounded to cuneate; venation: 2-4 pairs of main lateral veins, branching to form dense inconspicuous tertiary reticulation; laminar glands pale, punctiform; inframarginal glands dense, all or mostly black. Inflorescence 1-flowered, with paired flowering branches from uppermost and sometimes next lower nodes; pedicels 3-10 mm, erect in fruit. Flowers 9-12 mm in diam.; buds ellipsoid, obtuse. Sepals 4-7 x 1-2 mm, imbricate, unequal, all oblong or outer ones obovate, obtuse or apiculate to rounded, entire; veins 3, branched and reticulating; laminar glands pale, punctiform; inframarginal glands numerous to few, black or rarely absent. Petals bright to primrose yellow, occasionally tinged red, 5-9 x 2-3.5 mm, c. 1.3 x sepals, oblong to obovate, apiculus subterminal, obscure; laminar glands pale or rarely some black streaks; marginal glands sparse, black, near apex. Stamens irregularly 3-4-fascicled or not fascicled, 18-30, longest c. 4-6 mm, c. 0.7 x petals; anther gland black. Ovary 2.5-4 x 2 mm, obtuse; styles 3-4, (1.5-)2-2.5 mm long, c. 0.65 x ovary, divergent; stigmas narrowly capitate; placentae 3-4, axile. Capsule 5-6 x 3-5 mm, ellipsoid, 0.8-0.9 x sepals, erect, with valves longitudinally vittate. Seeds yellowish brown, 1-1.5 mm, not carinate; testa linear- foveolate.