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Nomenclature
sect. Heterophylla N. Robson
Nomenclature
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Genus: Hypericum
DIAGNOSTIC DESCRIPTION
Shrublet, erect, up to 0.25 m tall, semi-deciduous, glabrous, without dark glands; branching effectively pseudo-dichotomous. Stems 2- lined to terete, glandular; cortex green; bark smooth, reddish brown. Leaves opposite, decussate, sessile, free, deciduous at basal articulation, differing in form in lower (perennating) and upper (deciduous) parts of stem; lamina entire, with venation pinnate and open or 1- nerved, without tertiary reticulation; laminar glands linear to punctiform; marginal gland dots dense; ventral glands absent. Inflorescence 3-12-flowered, with branches dichasial, from 1-3 nodes, sometimes with lower flowering branches; bracts and bracteoles reduced. Flowers stellate, homostylous. Sepals 5, free, persistent, erect in fruit, with margin entire; laminar glands linear to striiform; marginal, submarginal and inframarginal glands absent. Petals 5, persistent, erect but not twisting after flowering, with apiculus subterminal or obsolete; margin entire; marginal glands absent; laminar glands linear. Stamen fascicles 3 (i.e. united 2+2+1), dis- tinct, persistent, with stamens 35-45; filaments basally united; anthers yellow, gland amber; pollen type X. Ovary with 3 subaxile placentae, each 2-ovulate; styles 3, free, bases contiguous; stigmas small. Capsule 3-valved, chartaceous, with valves longitudinally vittate. Seeds not seen mature, carinate; testa foveolate.