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Hypericum psilophytum (Diels) Maire
Section: sect. AdenosepalumSubsection: subsect. Caprifolia
Perennial herb 0.1-0.5 m tall, tufted, decumbent to ascending from woody taproot, branching at base, upper branches few or absent, stems spreading- to appressed-puberulous, leaves papilliform- puberulous, inflorescence glabrous or almost so. Stems becoming purplish red, 2-lined near inflorescence, otherwise terete, internodes shorter than to exceeding leaves. Leaves sessile; lamina 5-13 x 2.5-6 mm, narrowly oblong to oblanceolate, concolorous, chartaceous, not glaucous, plane, suberect; apex rounded, margin plane, entire, base rounded to subcordate-amplexicaul; venation: 2 pairs of laterals curved-ascending from lower 0.4 of midrib, tertiary reticulation obscure; laminar glands pale, rather dense, subequal, not prominent, with a few black, punctiform, scattered; intramarginal glands black, rather dense; marginal glands absent. Inflorescence 2-c. 25-flowered, from 1(2) nodes, curved-corymbose, monochasial after first flower or sometimes wholly monochasial, sometimes with 1-2 branches; pedicels 1.5-3 mm; bracteoles linear, black-glandular- ciliate. Flowers c. 15 mm in diam., stellate; buds ellipsoid- subglobose, subacute. Sepals 2-4 x 1-1.2 mm, lanceolate or elliptic to narrowly oblong, subequal, acute to shortly aristate, margin glandular-ciliate; veins 3, unbranched; laminar glands pale, shortly linear to punctiform, sometimes also black, punctiform; marginal glands black, sessile or on short cilia, apex glandular. Petals yellow, tinged red dorsally, 7-8 x c. 3 mm, 2 x sepals, oblanceolate to narrowly elliptic-oblong?, rounded, apiculus absent; laminar glands pale, striiform to punctiform; marginal glands black (?). Stamens c. 15-25, 3?-fascicled, longest 4-5 mm, c. 0.65 x petals; anther gland black. Ovary c. 2 x 1 mm, narrowly ovoid; styles 3, c. 2.5-3 mm, 1.25-1.5 x ovary, spreading (-incurved?). Capsule 3.5-4 x 2.5 mm, ovoid to ovoid-subglobose, 1.5-2 x sepals. Seeds not seen; testa striate (fide Ozenda).