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General Description

Shrubs or trees, 2-12 m tall. Trunk up to 30 cm diameter. Bark dark gray, longitudinally fissured; branches rough, nearly black; new shoots with dense reddish brown stellate hairs; lateral spines relatively few, stout. Leaves alternate; petiole ± absent; leaf blade abaxially dirty gray, adaxially green, narrowly lanceolate, 3-6 cm long, 0.6-1 cm wide, abaxially with many rust-colored peltate hairs. Male inflorescence a minute spike, 5-8 mm long, 4-6 mm wide. Male flowers: calyx lobes greenish brown, ovate-orbicular, 3-4 mm long, 3-3.5 mm wide, concave, outside with numerous brown and sparse white stellate scales; stamens 1/2-2/3 as long as calyx; anthers nearly sessile, oblong-linear, ca. 1.5 mm. Female flowers 2-5 in axils of branchlets; pedicels ca. 0.5 mm, to 5 mm in fruit; calyx brown, tubular, oblong-obovate, 2.5-4 mm long, 1-1.5 mm wide, outside with stellate brown and few white scales, lobes obtuse, interior with rather long white hairs, dense in upper part; Ovary globose-ovoid, 1-2 mm, ca. 1/2 as long as calyx, glabrous; style ca. 0.5 mm; stigma oblong, 0.5-1 mm, exserted. Peduncle 1-2 mm. Fruit usually yellow, 5-7 mm long, 5-7 mm wide, globose, glabrous, succulent and aromatic. Endocarp easy to separate from seed. Seed strongly flattened, 3-3.9 mm.


Creative Commons Attribution Non Commercial 3.0 (CC BY-NC 3.0)

© Wen, Jun

Source: Plants of Tibet

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