Hypericum matangense N. Robson

Shrub 0.8 m tall, erect, with branches strict, lateral. Stems orange-brown, 4-lined and ancipitous when young, eventually terete, cortex exfoliating in strips; internodes 2-4 mm long. Leaves sessile, spreading from above base, twisting, not tetrastichous?, persistent or sometimes deciduous (breaking off) above base (usually near point of flexure) after fading; lamina 10-13 x 1.1-3 mm, oblanceolate (lower) to linear, involute, not cucullate or carinate, dull ferrugineous above, lucent beneath, not glaucous, subcoriaceous to chartaceous; apex acute, base parallel, not or loosely sheathing, free or united with stem-line apex to form very narrow interfoliar ridge; basal vein 1, impressed beneath, with obscure ascending branches and dense tertiary reticulation; laminar glands dense, visible on both sides, slightly impressed. Inflorescence 1-flowered, terminal and on lateral branches; pedicel c. 2-3 mm long, slightly incrassate upwards; upper leaves foliose. Flowers c. 25 mm in diam., stellate. Sepals 9 x 1.5-2 mm, linear-oblong, acute; veins 3, unbranched ?, not prominent. Petals bright? yellow, 18 x c. 5 mm, c. 2 x sepals, oblanceolate; apiculus acute; glands linear, distally punctiform. Stamens c. 50, longest 9 mm long, c. 0.5 x petals. Ovary 4x2 mm long, ovoid-pyramidal; styles slightly longer than ovary, proximally suberect, distally divergent-incurved; stigmas slightly enlarged. Capsule and seeds not seen.