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

43. Viburnum inopinatum Craib, Bull. Misc. Inform. Kew. 1911: 385. 1911.

厚绒荚蒾 hou rong jia mi

Shrubs or small trees, evergreen, to 10 m tall. Bark gray-brownish. Branchlets of current year yellow-white or yellow-brown stellate-tomentose; branchlets of previous year gray-brownish, terete, glabrous, with sparse, small, rounded lenticels. Winter buds lanceolate, with a pair of separate scales; scales densely yellowish brown stellate pubescent. Leaves always opposite, not clustered at apices of branchlets; stipules 2, caducous; petiole green, slender, 2-5 cm, yellow-white or yellow-brown stellate-tomentose; leaf blade yellowish green when young, elliptic-oblong to oblong-lanceolate, (12-)15-20(-25) × (4-)5-10(-11.5) cm, leathery, abaxially thickly tomentose and mixed with glandular dots, adaxially yellow-brown stellate-tomentose, later only hairy on midvein, with 1 to several large impressed glands on both sides of midvein near base, midvein raised abaxially, lateral veins 5- or 6-jugate, pinnate, arched, rarely branched, anastomosing near margin, conspicuously raised abaxially, slightly impressed adaxially, veinlets transverse, raised abaxially, slightly impressed adaxially, not lobed, base cuneate to obtuse, with 0-2 circular glands on both sides of midvein near base, margin entire or sometimes slightly dentate at apex, apex acuminate. Flowers appearing after leaves; inflorescence a compound umbel-like cyme, terminal, 12-20 cm in diam.; rays whorled; first node of inflorescence with 5-7 rays, to 6.5 cm, lax, densely yellowish brown stellate-pubescent, without large sterile radiant flowers; peduncles robust, (1-)1.5-2 cm, rarely absent; bracts caducous, leaflike, yellowish green, linear-lanceolate, stellate pubescent; bracteoles scalelike. Flowers on rays from 3rd to 6th orders, not fragrant, sessile. Calyx yellowish green; tube obconical, ca. 1 mm, stellate-tomentose; lobes ovate-triangular, very small, ca. 0.25 mm, ciliate, apex obtuse. Corolla white, rotate, orbicular in bud, ca. 3.5 mm in diam., glabrous; tube 1-1.5 mm; lobes spreading, ovate, ca. 1 mm, slightly shorter than tube, apex rounded, margin entire. Stamens obviously exceeding corolla, inserted at base of corolla; filaments filiform, folded in bud, ca. 5 mm; anthers yellow-whitish, broadly elliptic, ca. 1 mm. Styles exceeding calyx lobes; stigmas capitate. Fruit maturing red, ovoid-globose to ellipsoid, 4-5 × 3-4 mm, base rounded, apex acute, yellow-brown forklike pubescent or stellate-pubescent; pyrenes compressed, ellipsoid, ca. 4 × 3 mm, with 2 dorsal grooves and 3 ventral grooves, apex rounded. Fl. Apr-May, fr. Jun-Oct.

Dense forests; 700-1400 m. SW Guangxi, S Yunnan [Laos, Myanmar, Thailand, N Vietnam].


 

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