Hypericum drummondii (Grev. & Hook.) Torr. & A.Gray

Annual herb 0.1-0.8 m tall, with taproot, erect; branches lateral from upper part of stem, strict, sometimes opposite, not rooting. Stems eventually orange-brown, 4-lined, ancipitous above, densely glandular, cortex exfoliating in strips; internodes 7-12 mm long. Leaves sessile, erect to suberect, longer to shorter than internodes, persistent; lamina 5-22 x 0.5-1 mm, linear or linear-subulate to linear-lanceolate, margin recurved to revolute, smooth, not cucullate, midrib prominent, smooth, concolorous, pale but not glaucous, subcoriaceous; apex acute to obtuse, base parallel-sided, free; basal vein 1, unbranched, tertiary reticulation absent; laminar glands dense, not prominent. Inflorescence 1-7(-12)- flowered, branching dichasial/monochasial, with subsidiary inflorescences and inflorescence branches from up to 6 nodes below; peduncle and pedicels 1-4 mm long, not incrassate upwards; bracts foliar, gradually reduced. Flowers 5-8 mm in diam., stellate. Sepals 3-7 x 0-7-1-3 mm, subequal, narrowly oblong to linear-lanceolate, acute; veins 3-5, unbranched, all becoming prominent; glands punctiform in upper i/8-½. Petals orange-yellow, 4-7 x (1.5)2-2.5 mm, about equalling sepals, oblong; apiculus subacute,small; glands distally punctiform? Stamens 10-22, longest 2.5-3 mm long, c. 0.5 x petals, obscurely fascicled or irregularly spaced. Ovary c. 1 x 0.5 mm, narrowly ovoid; styles 3, (0.5-)0.8-l.5 mm long, c. 1-1.5 x ovary, spreading; stigmas peltate. Capsule (3.5-)4.5- 6(-7) x 2.5-3 mm, narrowly ovoid to ovoid-cylindric, acute, slightly shorter to slightly exceeding sepals. Seeds 0.9-1.1 mm long, ecarinate; testa finely scalariform.