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

2. Distyliopsis dunnii (Hemsley) P. K. Endress, Bot. Jahrb. Syst. 90: 30. 1970.

尖叶假蚊母树 jian ye jia wen mu shu

Sycopsis dunnii Hemsley, Hooker’s Icon. Pl. 29: t. 2836. 1907.

Shrubs or small trees, 3–6 m tall; young branches and petioles with sessile, peltate scales, glabrescent. Petiole 10–15 mm, persistently densely lepidote; leaf blade oblong or ovate-oblong, occasionally oblong-lanceolate, 6–11 × 2–5 cm, discolorous, both surfaces glabrescent, adaxially shiny, base cuneate or subobtuse, margin entire, apex acute or acuminate; lateral veins 6 or 7 on each side, abaxially prominent; reticulate veination obscure on both surfaces. Bracts oblong. Male flowers: borne in lower part, sessile. Stamens 4–5, filaments 4–9 mm; anthers 1.7–2 mm; ovary absent. Bisexual flowers: shortly pedicellate; floral cup 2- 3 mm; stamens 4–11. Ovary villous; styles 4–5 mm, glabrous, recurved. Capsules 1–4, pedicellate, 10–13 mm, gray-brown villous, apex subacute, persistent floral cup 3–4 mm, with dense sessile scales; persistent styles short. Seeds 4–5 mm. Fl. Apr–Jun, fr. Jun–Sep.

Montane evergreen forests; 800--1500 m. Fujian, Guangdong, Guangxi, Guizhou, Hunan, Jiangxi, Yunnan [Laos].


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