Styrax obassia Siebold & Zucc.

Species

Angiosperms > Ericales > Styracaceae > Styrax

Characteristics

Trees or shrubs, 10--14 m tall. Trunk to 15 cm d.b.h. Branchlets slightly flattened, brown stellate pubescent, glabrescent. Leaves of 2 forms; basal 2 leaves of each branchlet opposite, petiole 3--5 mm, blade elliptic to ovate, 4.5--10 X 3--5 cm, apex rounded to acute; other leaves alternate, petiole 1--1.5 cm and forming a broad basal sheath enclosing winter buds, blade broadly elliptic, ovate, or rounded, 5--15 X 4--20 cm, base subrounded to broadly cuneate, apex acute to acuminate; all leaf blades papery, abaxially densely grayish stellate tomentose, adaxially glabrous except veins, margin coarsely serrate, secondary veins 5--8 pairs, tertiary veins subparallel. Racemes terminal or axillary, 10--20-flowered, 6--15 cm, sometimes with 1 or 2 lateral racemes from base of inflorescence. Pedicel 3--5 mm. Flowers slightly pendulous. Calyx 4--5 mm, densely gray-yellow tomentose; teeth 5 or 6, lanceolate to deltoid. Corolla white or rose, tube ca. 4 mm; lobes elliptic, 13--16 X 4--5 mm. Stamens shorter than corolla; filaments sparsely stellate villose, glabrescent. Style longer than stamens, glabrous. Fruit ovoid to subovoid, 1--1.5 cm in diam., densely yellow stellate tomentose. Seeds dark brown, oblong, smooth. Fl. Apr-Jul, fr. Aug-Nov.
Life form perennial
Growth form tree
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 3.0 - 5.0
Mature height (meter) 8.0 - 12.0
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 4-8
Soil humidity 2-7
Soil texture -
Soil acidity 2-6
Soil nutriment -
Hardiness (USDA) 7-10

Usage

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

Cultivation

Can be grown by cuttings or seedlings.
Mode cuttings seedlings
Germination duration (days) 30 - 90
Germination temperacture (C°) 12 - 18
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Flower

Styrax obassia flower picture by koichi kishimoto (cc-by-sa)

Distribution

Styrax obassia world distribution map, present in China, Japan, and Korea (Democratic People's Republic of)

Identifiers

LSID urn:lsid:ipni.org:names:327017-2
WFO ID wfo-0001141395
COL ID 7B45T
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Styrax obassia