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Vatica mangachapoi Blanco


Description from Flora of China

Anisoptera mangachapoi (Blanco) Candolle; Dipterocar pus mangachapoi (Blanco) Blanco; Mocanera mangachapoi (Blanco) Blanco; Pteranthera sinensis Blume; Shorea mangachapoi (Blanco) Blume; Vatica apteranthera Blanco; V. hainanensis H. T. Chang & L. C. Wang; V. hainanensis var. glandipetala L. C. Wang; V. hainanensis var. parvifolia H. T. Chang; V. mangachapoi subsp. hainanensis (H. T. Chang & L. C. Wang) Y. K. Yang & J. K. Wu; V. mangachapoi var. glandipetala (L. C. Wang) Y. K. Yang & J. K. Wu; V. mangachapoi var. parvifolia (H. T. Chang) Y. K. Yang & J. K. Wu.

Trees to 20 m tall, white resinous. Branchlets stellate-puberulous. Petiole 1.5-2 cm, densely grayish yellow puberulous; leaf blade oblong to oblong-lanceolate, 5-13 × 2-5 cm, leathery, both surfaces glabrous or sparsely pubescent, lateral veins 7-10 pairs raised on both surfaces, tertiary veins conspicuous, base rounded or truncate, margin entire, apex acuminate or acute. Panicle terminal or axillary, 4-8 cm, slender, silver-gray stellate-pubescent. Calyx grayish yellow pubescent; sepals ovate-lanceolate or oblong, unequal, ca. 3.2 cm. Petals white, sometimes yellowish or reddish, oblong or linear-spatulate, ca. 10 × 4 mm, outside pubescent, inside glabrous. Stamens 15; filaments short, unequal; anthers oblong; connective appendages short, obtuse. Ovary globose, densely puberulous; style short; stigma capitate. Fruit globose; 2 calyx segments lorate, longer, 3-4 × 1-1.5 cm, longitudinally 5-veined, apex rounded; 3 shorter segments lanceolate, to 10 × 4 mm, apex acute. Fl. May-Jun, fr. Aug-Sep.

This species is vulnerable to extirpation in China due to habitat loss. The durable wood is used for making boats and building bridges and houses.

Records of Vatica astrotricha Hance from Hainan are referable to V. mangachapoi.

Forests on hills, mountain slopes; below 700 m. Hainan [Indonesia, Malaysia (N Borneo), Philippines, Thailand, Vietnam].


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