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Hypericum nanum Poir.
Genus: HypericumSection: sect. Arthrophyllum
Shrub c. 0.15-0.3 m tall, erect, bushy, rounded ('hemispherical'), with branches erect or tortuous or sometimes prostrate with stems appressed against rocks. Stems 4-lined and green when young, soon 2-lined to terete; bark greyish to whitish grey. Leaves sessile; lamina 5-20(-25) x 4-15(-18) mm, ovate or broadly oblong-ovate or orbicular to broadly or narrowly elliptic, somewhat paler beneath, midrib prominent beneath, glaucous when young, sometimes persistently so beneath, subcoriaceous, deciduous during second year; apex obtuse or subapiculate to rounded or rarely retuse, base rounded to cuneate or more rarely shortly angustate; venation: 4-6 pairs of laterals, scarcely distinct from tertiary reticulation. Inflorescence 2-9-flowered from 1-2 nodes, rounded-corymbiform; pedicels 4.5-9 mm; bracteoles triangular-subulate, margin entire. Flowers c. 12-20 mm in diam.; buds ellipsoid, rounded. Sepals 2-3(-3.5) x 0.5-1 mm, subequal to unequal, free or up to 0.2 united, triangular-lanceolate to narrowly oblong or rarely ovate, acute or subacuminate to subacute, margin entire or with distal marginal glands protruding, veins 5, at least midrib prominent. Petals bright yellow, (6-)8-10(-12) x c. 2-4.5 mm, c. 3-4- x sepals, oblanceolate to narrowly cuneate, asymmetrically retuse; laminar glands striiform to punctiform or absent. Stamens 30-40, longest c. 8-10 mm, about equalling petals. Ovary c. 2-3 x 1-1.5 mm, narrowly ovoid; styles 9-12 mm long, c. 3-5 x ovary, narrowly curved-ascending; stigmas narrow. Capsule 5-6.5(-8) x 3.5(-6) mm, cylindric-ovoid, apically impressed. Seeds not seen.