Cornus hongkongensis Hemsl.

Species

Angiosperms > Cornales > Cornaceae > Cornus

Characteristics

Trees or shrubs, evergreen, 3–15(–25) m tall. Bark gray, dark gray, or blackish brown, smooth; young branches green or purplish green, sparsely pubescent with brown appressed trichomes or rarely densely pubescent with brown trichomes or glabrous; old branches light gray, grayish green, or grayish brown, with lenticels or not. Winter flower buds globose to conical, exposed, subtended by four green bracts, bracts eventually expanded and petaloid; leaf buds subtending flower buds, with small triangular to lanceolate scales. Leaf blade elliptic, oblong-elliptic, or obovate-oblong, 6.2–13(–16) × 2.5–6.3(–7.5) cm, thinly to thickly leathery, abaxially light green or powder green, glabrous or sparsely pubescent with white or brown and white trichomes when young, often glabrous in age except sometimes pubescent in axils of veins, veins 3 or 4(or 5), base cuneate or broadly cuneate to rounded, apex shortly acuminate to caudate. Capitate cymes globose, 0.7–1.3(–2) cm in diam., 40–70-flowered; bracts yellowish or white, broadly elliptic, broadly ovate, or orbicular to obovate, 1.6–4 × 1.3–2(–4.2) cm, sparsely pubescent or glabrous. Calyx tube 0.7–1.3 mm, shallowly 4-lobed, rarely 5-lobed; lobes truncate to rounded. Petals elliptic, oblong-elliptic, ovate-elliptic, or ovate-lanceolate to ovate, 1.5–4.2 × 0.8–1.1 mm, sometimes slightly united at base. Style cylindrical, 0.5–1.5 mm, sparsely pubescent with white trichomes or glabrous. Compound fruit red or yellowish red at maturity, globose, 1.5–2.5 cm in diam., nearly glabrous or slightly pubescent with fine white trichomes; peduncle 4–8(–10) cm. Fl. Apr–Jun, fr. Oct–Dec.
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An evergreen shrub or tree. It grows 5-15 m high. The young branches have short brown hairs. The leaves are opposite and thickly leathery. They are narrowly oval and 6-12 cm long by 3-6 cm wide. They taper to the tip. The flowers are yellow and in crowded heads. There are 4 white bracts around the flowers. The fruit is round and yellow or red. They are on stalks 4-10 cm long.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 4.0 - 8.0
Mature height (meter) 5.0 - 15.0
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

Thickets, broad-leaved evergreen forests, roadsides, by streams, valleys, slopes and forests; at elevations from 200-2,500 metres.
More
It is a temperate plant. It grows in evergreen broad-leaved forests between 600-1800 m altitude in China. In Sichuan and Yunnan.
Light 4-9
Soil humidity 4-6
Soil texture 2-5
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 9-11

Usage

The fruit is edible and used for making wine.
Uses food material wood
Edible fruits
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Can be grown by cuttings or seedlings.
Mode cuttings seedlings
Germination duration (days) 90 - 730
Germination temperacture (C°) 10 - 15
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Cornus hongkongensis unspecified picture

Distribution

Cornus hongkongensis world distribution map, present in China, Lao People's Democratic Republic, and Viet Nam

Conservation status

Cornus hongkongensis threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:271589-1
WFO ID wfo-0000924709
COL ID YGKB
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Benthamia hongkongensis Benthamidia hongkongensis Cornus hongkongensis Dendrobenthamia hongkongensis Cynoxylon hongkongense Benthamia japonica var. sinensis Cornus hongkongensis var. hongkongensis

Lower taxons

Cornus hongkongensis subsp. elegans Cornus hongkongensis subsp. ferruginea Cornus hongkongensis subsp. gigantea Cornus hongkongensis subsp. hongkongensis Cornus hongkongensis subsp. melanotricha Cornus hongkongensis subsp. tonkinensis