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FOC | Family List | FOC Vol. 13 | Clusiaceae | Hypericum

40. Hypericum hubeiense L. H. Wu & D. P. Yang, Acta Phytotax. Sin. 42: 74. 2004.

湖北金丝桃 hu bei jin si tao

Herbs, perennial, erect, 40-50 cm tall; stems ?single, unbranched or branched toward inflorescence. Stems terete, eglandular. Leaves sessile; blade oblong-ovate, 1.5-3.8 × 1-1.6 cm, thickly papery; laminar glands pale; intramarginal glands black, dense; main lateral veins 3-5-paired, tertiary reticulation; base cordate-amplexicaul, without glandular auricles, margin entire, apex rounded. Inflorescence ca. 17-flowered, from 2 nodes, nearly flat-topped; bracts and bracteoles lanceolate, entire. Pedicel 1-6 mm. Flowers ca. 1.8 cm in diam., stellate. Sepals ?free, erect, unequal, narrowly ovate to lanceolate, 4-6.8 × 0.8-1.8 mm, margin entire; laminar glands black, lines to streaks; intramarginal glands black, spaced, median and distal; apex acute to subacute; veins 3. Petals obovate-oblong to narrowly ovate, 8.5-12 × 2.5-3.5 mm, ca. 2 × as long as sepals; laminar glands black, streaks; marginal glands black, sessile or subsessile; margin entire. Stamens 70-90, apparently 3-fascicled, longest 6-9.5 mm, ca. 0.75 × as long as petals. Ovary ovoid, 1.5-3.5 × ca. 1.5 mm; styles 3, suberect, 4.5-6.5 mm, 2-3 × as long as ovary. Capsule ovoid, 5-6 × ca. 4 mm, equaling sepals; valves with numerous longitudinal vittae. Seeds dark brown, 7-8 mm; testa densely scalariform-pitted. Fl. Jul-Aug, fr. Aug-Sep.

● Thickets; ca. 1600 m. Hubei (Badong).

Hypericum hubeiense is morphologically intermediate between H. seniawinii and H. hengshanense, having entire bracts and longer styles like the former but broader leaves like the latter.


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