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Nomenclature
sect. Takasagoya (Y.Kimura) N. Robson
Nomenclature
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Genus: Hypericum
DIAGNOSTIC DESCRIPTION
Shrubs or shrublets up to c. 1.5 m tall, deciduous, glabrous, without dark glands; branching lateral. Stems 4-lined and ± ancipitous when young, often eventually terete, eglandular; cortexexfoliating in long scales; bark smooth, scaly. Leaves opposite, decussate, sessile or subsessile,free, deciduous at basal articulation; lamina entire, with venation pinnate, usually partially or completely closed, the tertiary reticulum almost invisible or obscure; laminar glands punctiform, pale; marginal gland dots pale; ventral glands absent. Inflorescence 1-3-flowered, branching dichasial/monochasial from up to 14 nodes sometimes with subsidiary branches; bracts foliar, bracteoles ± reduced. Flowers stellate to cyathiform, homostylous. Sepals 5, free or united at the base, persistent, with margin entire; veins 5-9; laminar glands ± pale, linear to punctiform; inframarginal and marginal glands absent. Petals 5, deciduous, with apiculus present, subterminal, sometimes much reduced, or absent, and margin entire; marginal glands absent; laminar glands ± numerous, pale, linear to punctiform. Stamen fascicles 5, free, deciduous, each with 6-c. 40 stamens; filaments united very shortly; anthers yellow, with gland amber; pollen type III. Ovary with 5 incompletely or completely axile placentae, ∞-ovulate; styles 5, completely united; stigmas completely united, forming capitate to ellipsoid or subglobose mass. Capsule 5-valved, coriaceous, not vittate. Seeds cylindric to clavate, narrowly carinate to laterally winged, with apical expansions sometimes wing-like; testa linear-reticulate to scalariform-reticulate.