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FOC | Family List | FOC Vol. 13 | Elaeagnaceae | Elaeagnus

23. Elaeagnus xizangensis C. Y. Chang, Bull. Bot. Res., Harbin. 6(2): 74. 1986.

西藏胡颓子 xi zang hu tui zi

Shrubs, evergreen. Older branches gray or blackish; young branches reddish brown, with dense rust-colored scales. Petiole rust-colored, 8-12 mm; leaf blade abaxially whitish, adaxially green, elliptic or broadly elliptic, rarely ovate-elliptic, 6-9.5 × 2.5-4.5 cm, papery or membranous-papery, abaxially with dense silvery scales mixed with sparser brown scales, adaxially at first with white or brown scales, later glabrous, lateral veins 5-7 per side of midrib, at 50°-60° to it, raised abaxially, obscure adaxially, base rounded, margin entire, apex acute, acuminate, or caudate-acuminate. Flowers 1-5 on axillary shoots; rachis rust-colored, 5-7 mm. Pedicel reddish brown, 4-5 mm. Calyx white, outside densely silvery and sparsely brown scaly; tube tubular-funnelform, slightly 4-ribbed, ca. 6 mm, hardly constricted below lobes; lobes ovate-triangular, ca. 3 × 2.3 mm, inside sparsely white stellate-pilose. Filaments very short; anthers broadly ellipsoid, ca. 1 mm. Style erect, usually stellate-pilose; stigma straight. Immature fruit ellipsoid or obovoid-ellipsoid, ca. 1.6 × 0.6 cm.

● Forests; ca. 2400 m. SE Xizang (Mêdog).

Elaeagnus xizangensis is known to us only from the protologue. It is possibly not separable from the previous species, E. pilostyla.


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