53. Hypericum enshiense L. H. Wu & F. S. Wang, Acta Phytotax. Sin. 42: 76. 2004.
恩施金丝桃 en shi jin si tao
Herbs, perennial, erect to decumbent from branching base, 14-40 cm tall; stems branching from most nodes. Stems terete, eglandular. Leaves with petiole 0.5-2.5 mm; blade oblong to obovate, 1-3.8 × 0.5-1.3 cm, ?thickly papery, abaxially greenish and densely minutely papillose; laminar glands black and occasionally pale; intramarginal glands rather dense, black; main lateral veins 3-paired; base narrowly cuneate to angustate, margin entire, apex rounded to ?obtuse. Inflorescence 3-flowered, terminal, with ?flowering branches from 5 (?or more) nodes below, the whole narrowly pyramidal; bracts and bracteoles leaflike. Flowers 1.2-1.5 cm in diam., stellate. Sepals free, erect, narrowly ovate to lanceolate, unequal, 4-6 × 0.8-1.6 mm; laminar glands black, lines to streaks; marginal glands black, spaced; margin entire, apex acute; veins 3. Petals oblong, 6-9 × 1.5-2.5 mm, ca. 1.5 × as long as sepals; laminar glands few, black, lines; marginal glands black, few, near apex only; margin entire. Stamens 50-60, apparently 3-fascicled, longest 4-7 mm, ca. 0.7 × as long as petals. Ovary ovoid, 2-3 × ca. 1.5 mm; styles 3, divaricate, 2.5-3.5 mm, ca. 1.2 × as long as ovary. Capsule ovoid, 4-6 × 3-4 mm, equaling sepals. Seeds dark brown, ca. 0.8 mm; testa linear-pitted. Fl. Jul-Aug, fr. Aug-Sep.
● Forest and field margins, roadsides; 1000-1300 m. Hubei (Badong).
Hypericum enshiense appears to be related to H. faberi. It has an overall resemblance to that species, differing from it in the black-gland-dotted, minutely papillose leaves, leaflike bracts, and larger flowers with apically acute sepals and black-glandular-lined petals.