Cornus koehneana Wangerin

Species

Angiosperms > Cornales > Cornaceae > Cornus

Characteristics

Trees 6–10 m tall. Bark dark brown; young branches purplish or reddish green, slender, ± 4-angled (or ridged), pubescent with grayish appressed trichomes; old branches yellowish brown or grayish brown, glabrous, with sparsely scattered yellowish white narrowly elliptic lenticels. Leaves opposite; petiole 1.2–2.2 cm; leaf blade narrowly elliptic to ovate-elliptic, 3.3–8 × 2.3–4.5 cm, thickly papery, abaxially grayish green, with appressed grayish white short thin trichomes, veins 4, small veins inconspicuously reticulate, base cuneate to broadly cuneate, slightly oblique, apex acuminate or extended acuminate. Corymbose cymes loose and spreading, ca. 6 cm wide, with branches slightly arched inward (bent toward center), pubescent with grayish appressed trichomes. Pedicels 0.5–3 mm. Flowers white, ca. 7 mm in diam. Calyx lobes triangular, ca. 0.4 mm, longer than disk. Petals ligulate-oblong, ca. 4.5 × 0.9 mm. Stamens ca. 4 mm, shorter than petals; anthers light yellow, oblong-ovate. Style clavate, ca. 3.8 mm; stigma capitate, not broader than style. Fruit ovoid-globose, ca. 5 × 6 mm; stones subovoid, ca. 4 × 5 mm. Fl. May–Jun, fr. Jul–Aug.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 6.0 - 10.0
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 -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

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

Cultivation

Mode -
Germination duration (days) 90 - 730
Germination temperacture (C°) 10 - 15
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Cornus koehneana world distribution map, present in China

Conservation status

Cornus koehneana threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:271600-1
WFO ID wfo-0000924737
COL ID YGKM
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Thelycrania koehneana Cornus koehneana Swida koehneana