Hypericum prietoi N. Robson

Shrub c. 0.3 m tall, erect; branches very strict, pseudo-dichotomous and lateral. Stems reddish-brown, 4-6-lined when young, eventually terete, cortex exfoliating in irregular flakes; internodes c. 2 mm long. Leaves sessile, very closely imbricate, markedly tetrastichous, laterally compressed distally, not becoming outcurved, deciduous above the base before fading; lamina 7-8 x 1.5-2 mm, oblanceolate, distally obtusely carinate and cucullate, midrib impressed proximally beneath, margin very narrowly hyaline, concolorous, lustrous yellow-green, not glaucous, coriaceous; apex acute, base parallel-sided, scarcely sheathing, pairs united to form shallow to rather deep (to 1.5 mm) interfoliar ridge; basal vein 1, unbranched; laminar glands dense, not visible beneath. Inflorescence l-flowered, with pseudo-dichotomous branches from node below; pedicel 2-2.5 mm long; upper leaves not transitional. Flowers stellate? Sepals 7-8 x 2 mm, lanceolate, acuminate, compressed-cucullate; veins 3-5, unbranched, prominent beneath; glands linear. Petals and stamens not seen. Ovary with styles 3, c. 4 mm long, suberect; stigma narrowly capitate. Capsule 5 x 2.5 mm, broadly ellipsoid, shorter than sepals. Seeds 1.2 mm long, ecarinate; testa finely scalariform.