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

29. Hypericum pseudohenryi N. Robson, J. Roy. Hort. Soc. 95: 493. 1970.

北栽秧花 bei zai yang hua

Shrubs, 0.7-1.7 m tall; branches erect to spreading. Stems 4-angled and ancipitous in first year, then terete, stout; internodes 0.8-6 cm, shorter than to exceeding leaves. Leaves with petiole 0.5-1 mm; blade ovate or ovate-oblong to lanceolate or lanceolate-oblong, 2-6.6(-8) × 0.5-3.5 cm, thickly papery, abaxially paler or somewhat glaucous; laminar glands dots and short streaks; abaxial glands densest or present only near midvein; main lateral veins 2- or 3-paired, the upper forming distinct undulating intramarginal vein, tertiary reticulation lax, obscure; base narrowly to ± broadly cuneate, apex rounded or rarely apiculate-obtuse. Inflorescence 1-7(to ca. 25)-flowered, from apical node, nearly flat-topped; bracts narrowly lanceolate to leaflike, persistent. Pedicels 4-11 mm. Flowers 3-5.5 cm in diam., stellate to shallowly cupped; buds ovoid-pyramidal, subacute. Sepals erect to outcurved, subequal, broadly to narrowly ovate-oblong, 6-9(-13) × 3-7 mm, laminar glands lines, margin entire or minutely denticulate toward apex with narrowly hyaline margin, apex acute to subacuminate or obtuse. Petals golden yellow, sometimes becoming reflexed, obovate, 1.6-3.3 × 1-2 cm, 2.5-3 × as long as sepals; apiculus obtuse; margin eglandular, entire or irregularly eroded-denticulate. Stamen fascicles each with ca. 40 stamens, longest 1.4-2 cm, 0.75-0.85 × as long as petals. Ovary ± broadly ovoid, 5-9 × 3.5-6 mm; styles 5.5-11 mm, somewhat longer than ovary, free, suberect to divergent, outcurved near apex. Capsule ovoid-conic to ovoid, 1.2-1.7 × 1-1.4 cm. Seeds dark orange-brown, 1.5-2 mm, narrowly carinate; testa linear-foveolate. Fl. Jun-Sep, fr. Sep-Nov.

Pinus forests, thickets, dry grassy or stony slopes; 1400-3800 m. SW and W Sichuan, NE and NW Yunnan.

The area of distribution of Hypericum pseudohenryi overlaps that of the closely related H. forrestii, and plants with characters intermediate between these species have been found.


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