Viburnum atrocyaneum C.B.Clarke

Species

Angiosperms > Dipsacales > Viburnaceae > Viburnum

Characteristics

Shrubs, evergreen, to 3 m tall. Bark gray-brownish. Branchlets of current year purplish at first, later grayish yellowish, stellate-pubescent or subglabrous; branchlets of previous year gray or gray-brownish, terete, glabrous, with dispersed, small, rounded lenticels. Winter buds ovoid-oblong, with one pair of separate scales; scales reddish brown, ciliate, apex acute. Leaves generally opposite, sometimes in whorls of 3, not clustered at apices of branchlets; stipules absent; petiole green, slender, 6-12 mm, glabrous; leaf blade purplish when young, becoming abaxially pale greenish and adaxially intense green and lustrous, broadly ovate or ovate to ovate-lanceolate or rhombic-elliptic, rarely orbicular, (0.8-)3-6(-10) × 1.5-3(-6.5) cm, leathery, both surfaces glabrous, midvein raised abaxially, lateral veins 5-8-jugate, pinnate, arched, branched, anastomosing near margin, inconspicuous abaxially, impressed adaxially, veinlets transverse, inconspicuous abaxially, slightly impressed adaxially, not lobed, base broadly cuneate, both sides often slightly asymmetric, without glands, margin often remotely irregularly denticulate, rarely entire, apex obtuse, mucronate, rarely acute or emarginate. Flowers appearing after leaves; inflorescence a compound umbel-like cyme, terminal, 2-6 cm in diam.; rays whorled; first node of inflorescence usually with 5-7 rays, lax, glabrous, without large sterile radiant flowers; peduncles 0.6-6 cm; bracts caducous, leaflike, green, linear to linear-lanceolate, glabrous; bracteoles scalelike. Flowers usually on rays of 2nd order, not fragrant; pedicel 2-3 mm. Calyx greenish; tube obconical, ca. 1 mm, glabrous; lobes broadly triangular, broader than long, very small, ca. 0.5 mm, nearly 1/2 as long as calyx tube, glabrous, apex obtuse. Corolla white, rotate, ca. 5 mm in diam., glabrous; tube ca. 1 mm; lobes spreading, ovate-orbicular, ca. 1.5 mm, slightly longer than tube, apex rounded, margin entire. Stamens slightly shorter than corolla, inserted near base of corolla tube; filaments ca. 2 mm; anthers yellow, ovoid, ca. 1 mm. Styles nearly as long as calyx lobes; stigmas subsessile. Fruit not turning red, maturing blue-blackish, ovoid or globose, 5-6 mm, base rounded, apex acute, glabrous; pyrenes globose, ca. 5 mm in diam., with 1 very shallow ventral groove, apex rounded. Fl. Apr-Jun, fr. Jul-Oct.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 2.0 - 3.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 4-9
Soil humidity 5-7
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-10

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings or seedlings.
Mode cuttings seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -7
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Viburnum atrocyaneum unspecified picture

Distribution

Viburnum atrocyaneum world distribution map, present in Bhutan, China, India, Myanmar, and Thailand

Identifiers

LSID urn:lsid:ipni.org:names:149561-1
WFO ID wfo-0001291033
COL ID 5BC4M
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Viburnum calvum Viburnum schneiderianum Viburnum harryanum Viburnum atrocyaneum Viburnum atrocyaneum var. puberulum Viburnum atrocyaneum subsp. atrocyaneum Viburnum atrocyaneum subsp. harryanum