Viburnum rhytidophyllum Hemsl.

Leatherleaf viburnum (en), Viorne (fr), Viorne à feuilles ridées (fr)

Species

Angiosperms > Dipsacales > Viburnaceae > Viburnum

Characteristics

Shrubs or small trees, evergreen, to 4 m tall. Bark gray-brownish. Branchlets of current year robust, thickly yellow-whitish, yellow-brownish, or red-brownish stellate-tomentose; branchlets of previous year red-brownish or gray-blackish, terete, glabrous, with dispersed, small, rounded lenticels. Winter buds naked, yellow-brownish, or red-brownish stellate-tomentose. Leaves always opposite, not clustered at apices of branchlets; stipules absent; petiole green, robust, 1.5-3(-4) cm, thickly yellow-whitish, yellow-brownish, or red-brownish stellate-tomentose; leaf blade yellow-whitish, yellow-brownish, or red-brownish when young, becoming intense green adaxially, ovate-oblong to ovate-lanceolate, rarely lanceolate, 8-18(-25) × (1.5-)2.5-8 cm, leathery, abaxially strongly rugose, obviously reticulate, adaxially lustrous, sparsely stellate-pubescent when young, glabrescent, midvein raised abaxially, lateral veins 6-8(-12)-jugate, pinnate, arched, branched, anastomosing near margin, very rarely ending in teeth, raised abaxially, slightly raised adaxially, veinlets transverse, conspicuous abaxially, inconspicuous adaxially, not lobed, base rounded or slightly cordate, without glands, margin entire or inconspicuously dentate, apex slightly acute or obtuse. Flowers appearing after leaves; inflorescence a compound umbel-like cyme, terminal, 7-12 cm in diam.; rays whorled; first node of inflorescence usually with 7 rays, dense, yellow-whitish, yellow-brownish, or red-brownish stellate-tomentose, without large sterile radiant flowers; peduncle robust, 1.5-4(-7) cm; bracts caducous, leaflike, green, linear to linear-lanceolate, stellate-pubescent; bracteoles linear. Flowers on rays of 3rd order, not fragrant, subsessile or shortly pedicellate. Calyx greenish; tube tubular-campanulate, 2-3 mm, yellow-whitish stellate-tomentose; lobes broadly triangular-ovate, very small, 0.5-1 mm, sparsely stellate-pubescent, apex obtuse, slightly ciliate. Corolla white, pinkish in bud and outside, rotate, 5-7 mm in diam., subglabrous; tube 3-4 mm; lobes spreading, orbicular-ovate, 2-3 mm, apex rounded, margin entire. Stamens exceeding corolla, inserted near base of corolla tube; filaments ca. 6 mm; anthers yellow, broadly elliptic, ca. 1 mm. Styles slightly exceeding calyx lobes; stigmas capitate. Fruit initially turning red, maturing black, broadly elliptic, 6-8 mm, base rounded, apex rounded, glabrous or sparsely stellate-pubescent; pyrenes compressed, broadly elliptic, 6-7 × 4-5 mm, with 2 dorsal grooves and 3 ventral grooves, apex rounded. Fl. Apr-May, fr. Sep-Oct. 2n = 18*.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 2.5 - 4.0
Mature height (meter) 3.25 - 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 c3

Environment

Light 1-9
Soil humidity -
Soil texture -
Soil acidity 2-8
Soil nutriment -
Hardiness (USDA) 7-10

Usage

Uses environmental use material medicinal
Edible -
Therapeutic use -
Human toxicity toxic (leaf), toxic (bark)
Animal toxicity toxic (leaf), toxic (bark)

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

Habit

Viburnum rhytidophyllum habit picture by Dieter Albrecht (cc-by-sa)
Viburnum rhytidophyllum habit picture by K C (cc-by-sa)
Viburnum rhytidophyllum habit picture by Dieter Albrecht (cc-by-sa)

Leaf

Viburnum rhytidophyllum leaf picture by edgar bolz (cc-by-sa)
Viburnum rhytidophyllum leaf picture by Julian Schreder (cc-by-sa)
Viburnum rhytidophyllum leaf picture by Daniel Kühn (cc-by-sa)

Flower

Viburnum rhytidophyllum flower picture by Robert Dietrich (cc-by-sa)
Viburnum rhytidophyllum flower picture by Natálie K. (cc-by-sa)
Viburnum rhytidophyllum flower picture by Ben Goodwin (cc-by-sa)

Fruit

Viburnum rhytidophyllum fruit picture by Sabina Hartmann (cc-by-sa)
Viburnum rhytidophyllum fruit picture by Herbert Schauer (cc-by-sa)
Viburnum rhytidophyllum fruit picture by Annelise (cc-by-sa)

Distribution

Viburnum rhytidophyllum world distribution map, present in China, Ecuador, Croatia, Slovakia, Tajikistan, and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:149902-1
WFO ID wfo-0001291022
COL ID 5BCDM
BDTFX ID 71448
INPN ID 129090
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Viburnum rhytidophyllum