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FOC | Family List | FOC Vol. 9 | Hamamelidaceae | Distylium

5. Distylium pingpienense (Hu) Walker, J. Arnold Arbor. 25: 331. 1944.

屏边蚊母树 ping bian wen mu shu

Sycopsis pingpienensis Hu, Bull. Fan. Mem. Inst. Bot. 10: 149. 1940; Distylium pingpienense var. serratum Walker.

Shrubs or trees, 3–8 m tall; young branches brown stellately pubescent, older growth drying brown, glabrescent, lenticellate; buds brown tomentose. Petiole 5–10 mm, stellately pubescent; leaf blade ovate-lanceolate or lanceolate, 7–14 × 2.5–3.7 cm, drying discolorous, abaxially brown stellately pubescent or glabrescent, base rounded, somewhat asymmetrical, margin entire or apically 1–3-toothed, apex caudate-acuminate; lateral veins 6 on each side, reticulate veins somewhat prominent abaxially. Male inflorescences 1–1.5 cm; infructescences 3–5 cm. Bracts oblong, 6–7 mm, brown stellately pubescent. Floral bracts 2–3 mm, stellately tomentose. Stamen filaments unequal, 1.5–2.5 mm; anthers ovoid, 1.5–2 mm. Fruiting pedicels 3–4 mm, pubescent. Capsules ovoid-globose, 1–1.2 cm, stellately pubescent with brown hairs, apex acute, dehiscing by two 2-lobed valves. Seeds 5–6 mm. Fl. Apr–Jun, fr. Jun–Aug.

Forests; 800--1000 m. N Guizhou (Suiyang Xian, Zunyi Shi), W Hubei (Badong Xian), SE Yunnan.


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