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FOC | Family List | FOC Vol. 19 | Viburnaceae | Viburnum

67. Viburnum mullaha Buchanan-Hamilton ex D. Don, Prodr. Fl. Nepal. 141. 1825.

西域荚蒾 xi yu jia mi

Shrubs or small trees, deciduous, to 4 m tall. Bark light brown. Branchlets of current year densely gray-brown stellate-tomentose, mixed with long hairs, or subglabrous; branchlets of previous year purple-brownish, terete, glabrous, with dispersed, small, rounded lenticels. Winter buds ovoid, ca. 5 mm, with 2 pairs of separate scales; scales adpressed pubescent outside. Leaves always opposite, not clustered at apices of branchlets; stipules absent; petiole green, slender, 1-2.5 cm, densely stellate-pubescent; leaf blade green when young, ovate to ovate-lanceolate, 3.5-10 × 1.8-6 cm, papery, abaxially densely stellate-pubescent, or only so in vein axils, adaxially with sparse, simple, forklike, or stellate hairs, or hairy only on midvein, midvein raised abaxially, lateral veins 5- or 6(-8)-jugate, pinnate, arched, branched, ending in teeth, raised abaxially, impressed adaxially, veinlets transverse, slightly raised abaxially, impressed adaxially, not lobed, base broadly cuneate to rounded or slightly cordate, with 0 or 1 circular gland on both sides of midvein near base, margin remotely serrate except at base, apex caudate-acuminate. Flowers appearing after leaves; inflorescence a compound umbel-like cyme, terminal, ca. 6 cm in diam.; rays whorled; first node of inflorescence with 5-7 rays, dense, gray-brown stellate-tomentose, mixed with long hairs, without large sterile radiant flowers; peduncle (0.4-)1.5-2.5 cm; bracts and bracteoles deciduous, leaflike, green, lanceolate, hairy. Flowers on rays from 2nd to 4th order, not fragrant, sessile or shortly pedicellate. Calyx green; tube obconical, ca. 1 mm, outside sparsely or densely stellate-pubescent and with dense glandular dots; lobes triangular-ovate, very small, stellate-pubescent, apex obtuse. Corolla white, rotate, 4-5 mm in diam., outside sparsely or densely stellate-pubescent; tube ca. 1.5 mm; lobes spreading, orbicular-ovate, subequaling tube, apex rounded, margin entire. Stamens shorter than corolla, inserted at base of corolla; filaments ca. 1.5 mm; anthers yellow-whitish, elliptic, ca. 1 mm. Styles very short, shorter than calyx lobes; stigmas capitate. Fruit maturing red, broadly ellipsoid, 5-7 mm in diam., base rounded, apex rounded, glabrous; pyrenes ovoid, 4-6 mm, with 2 shallow dorsal grooves and 1 shallow ventral groove, apex rounded. Fl. Jul, fr. Sep-Oct. 2n = 18*.

Needle-leaved and broad-leaved mixed forests; 2200-2700 m. Xizang, Yunnan [Bhutan, India, Kashmir, Nepal].

1 Branchlets of current year and abaxial surfaces of young leaves stellate- tomentose; calyx tube and corolla outside densely stellate-pubescent.   67a var. mullaha
+ Branchlets of current year subglabrous; leaves abaxially stellate-pubescent only in vein axils and hairy only on midvein; calyx tube and corolla outside very sparsely pubescent.   67b var. glabrescens

Lower Taxa


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