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

12. Corylopsis trabeculosa He & Cheng, Bull. Fan Mem. Inst. Biol., n.s. 1: 192. 1948.

俅江蜡瓣花 qui jiang la ban hua

Shrubs or small trees, 2.5–5 m high. Young branches and petioles densely villous and glandular-pubescent; buds ovoid-conical, pale green, born at apex of short shoots. Leaf blade with 10–12 lateral veins on each side. Inflorescence 3–8 cm long, densely 20–40-flowered; rachis with dense yellow silky hairs; basal bracts of inflorescences involucrelike at anthesis, usually 4, bright yellow, slightly patent, broadly elliptic or oblong, 2–2.8 × 1.2–1.5 cm, base attenuate, margin entire, apex slightly obtuse or acute, membranous, both surfaces and margin yellow sericeous, glabrescent; floral bracts yellow, oblong or ovate, obtuse or acute at apex, sometimes 3-lobed, the lower lobe 14–16 × 8–10 mm, sericeous on both sides, the upper lobes shorter and smaller; bracteoles lanceolate or linear, 4–6 × 1–1.5 mm, sericeous, apex acuminate. Floral cup densely sericeous. Sepals unequal in size, triangular or lanceolate, 0.5–1.5 mm; petals oblong-spatulate or ovate-spatulate, obviously unequal in size, 4–8 × 2.5–4.5 mm, margin entire or irregularly undulate, apex obtuse. Stamens 5, anthers yellow, ovoid, 0.5–0.8 mm long, filaments yellow-green, filiform, 1.8–2.2 mm long, inflated at base; disk scales 5, red, nearly 2-parted to base, lobes 10, 0.5–0.6 mm long, club-shaped, apex obtuse. Ovary ovoid, densely sericeous; style 1.5–2 mm long, stigmas green, 2-parted to near base, upper part divergent, slightly curved. Infructescences 8–9 cm, usually with 25–40 capsules. Fl. Jan–Mar, Fr. May–Sep.

Valleys, slopes, thickets, evergreen broad-leaved forests; 1300--2000 m. NW Yunnan (Gongshan Drungzu Nuzu Zizhixian).

The leaves and fruits of this species are imperfectly known.


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