Viburnum macrocephalum Fortune

Chinese viburnum (en), Viorne (fr)

Species

Angiosperms > Dipsacales > Viburnaceae > Viburnum

Characteristics

Shrubs, deciduous or semievergreen, to 4 m tall. Bark gray-brownish or gray-whitish. Branchlets of current year densely gray-whitish or yellow-whitish stellate-pubescent, glabrescent; branchlets of previous year gray-brownish or gray-whitish, terete, glabrous, with dispersed, small, rounded lenticels. Winter buds naked, densely gray-whitish or yellow-whitish stellate-pubescent. Leaves always opposite, not clustered at apices of branchlets; stipules absent; petiole green, robust, 1-1.5 cm, gray-whitish or yellow-whitish stellate-pubescent; leaf blade greenish white when young, ovate to elliptic or ovate-elliptic, 5-11 × 2-5 cm, papery, abaxially stellate-pubescent, adaxially densely stellate-pubescent at first, later only so on midvein, midvein raised abaxially, lateral veins 5-or 6-jugate, pinnate, arched, branched, anastomosing near margin, raised abaxially, slightly impressed adaxially, veinlets transverse, slightly raised or inconspicuous abaxially, inconspicuous adaxially, not lobed, base rounded or sometimes slightly cordate, without glands, margin denticulate, apex obtuse or slightly acute. Flowers appearing after leaves; inflorescence a compound umbel-like cyme, terminal, 8-15 cm in diam.; rays whorled; first node of inflorescence with 5 rays, dense, gray-whitish or yellow-whitish stellate-pubescent, totally composed of large sterile flowers, or of fertile flowers yet with 8-18 large sterile radiant flowers; peduncle 1-2 cm; bracts caducous, leaflike, green, linear-lanceolate, stellate-pubescent; bracteoles linear. Flowers on rays of 3rd order, not fragrant, sessile or shortly pedicellate. Sterile flowers: calyx like fertile flowers; corolla white, rotate, 1.5-4 cm in diam., glabrous; lobes orbicular-obovate, apex rounded; stamens and pistils not developed. Fertile flowers: calyx greenish; tube tubular, ca. 2.5 mm, glabrous; lobes oblong, small, ca. 2 mm, nearly as long as calyx tube, glabrous, apex obtuse; corolla white, rotate, 10-12 mm in diam., glabrous; tube ca. 1 mm; lobes spreading, orbicular-obovate, ca. 2 mm, longer than tube, apex rounded, margin entire; stamens slightly taller than corolla lobes, inserted near base of corolla tube; filaments ca. 3 mm; anthers yellow, subglobose, small; styles slightly exceeding or subequaling calyx lobes; stigmas capitate. Fruit initially turning red, maturing black, elliptic, ca. 12 mm, base rounded, apex rounded, glabrous; pyrenes compressed, oblong, 10-12 × 6-8 mm, with 2 shallow dorsal grooves and 3 shallow ventral grooves, apex rounded. Fl. Apr-May, fl. Sep-Oct. 2n = 18*.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 2.0 - 2.75
Mature height (meter) 2.5 - 4.0
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 3-8
Soil humidity 2-7
Soil texture -
Soil acidity 2-8
Soil nutriment -
Hardiness (USDA) 8-10

Usage

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

Cultivation

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

Images

Viburnum macrocephalum unspecified picture

Distribution

Viburnum macrocephalum world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:149801-1
WFO ID wfo-0001290802
COL ID 7FR3F
BDTFX ID 82377
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Viburnum arborescens Viburnum fortunei Viburnum macrocephalum Viburnum keteleeri Viburnum keteleeri var. macrocephalum Viburnum macrocephalum var. sterile

Lower taxons

Viburnum macrocephalum f. keteleeri