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Mitrephora wangii

Description from Flora of China

Trees to 10 m tall. Branches densely hairy when young. Petiole 6.5-11.5 mm, sparsely hairy; leaf blade oblong-lanceolate, 10.5-24(-27) × 3.5-8 cm, leathery, abaxially sparsely hairy, adaxially glabrous, secondary veins 10-14 on each side of midvein, base cuneate to broadly cuneate, apex shortly acuminate to acuminate. Inflorescence rachides unbranched, internodes short. Pedicel 1.2-1.7 cm; bracteoles 1.5-2 × 1-1.5 mm. Sepals ovate, 3-3.5 × 3-4.5 mm. Outer petals white turning bright yellow, ovate, 1.6-2.3 × 1-1.9 cm, margin ± undulate on older flowers; inner petals purplish, 1.1-1.9 × 0.6-1.3 cm. Stamens 0.8-1 mm. Carpels 8-10, 1.8-2 mm; ovules 6-8 per carpel. Fruiting pedicel 1-1.6 cm; monocarp stipes 0.9-1.3 cm; monocarps oblong, 2.4-3.8 × 1.4-2.6 cm, sparsely hairy, smooth, with longitudinal ridge. Seeds ca. 9 × 6 mm. Fl. Jan-May, fr. Jun-Sep.

Mitrephora wangii is listed as Vulnerable (VU A2c) by the IUCN Red List of Threatened Species (Version 2010.3; http://www.iucnredlist. org; accessed on 6 Oct 2010).

Densely forested slopes; 500-1600 m. S Yunnan [N Thailand].


 

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