Dysoxylum hongkongense (Tutcher) Merr.

Species

Angiosperms > Sapindales > Meliaceae > Dysoxylum

Characteristics

Trees 8-25 m tall. Young branches yellow pubescent to nearly glabrous; apical buds with leaves like clenched fists. Leaves 20-30(-50) cm or more, even-pinnate; leaflets 7-18, opposite, subopposite, or alternate, shiny above; petiolules 1-10 mm; leaflet blades narrowly elliptic to ovate, 7-15(-18) × 3-6.5 cm, usually subleathery, both surfaces glabrous, midvein abaxially protruding and adaxially slightly impressed, secondary veins 8-15 on each side of midvein, abaxially protruding and adaxially flat, base oblique and cuneate to rounded, apex obtuse, acute, shortly acuminate. Thyrses in upper leaf axils, 12-25 cm, appressed yellowish gray pubescent. Pedicel 2-4(-10) mm, stout, brownish pubescent. Calyx cup-shaped, (4 or)5-lobed, outside pubescent. Petals (4 or)5, white, narrowly elliptic, 5-6(-8) × ca. 2 mm, outside usually appressed rufous pubescent. Staminal tube 4-6.5 mm, outside sometimes covered with trichomes, apically margin truncate to undulate-crenulate; anthers 8, linear-oblong, included. Disk tubular, ca. 3 mm high, with crenations, apex brilliantly yellow ciliate. Ovary 3-or 4-locular, covered with dense yellow filiform trichomes, at least at base; style glabrous. Capsule pyriform to ellipsoid or globose, ca. 4 cm in diam. Seeds brown, narrowly ellipsoid, to 2.5 cm. Fl. May-Dec, fr. Nov-Jun.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality dioecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 13.0 - 21.5
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

Forests on mountains; low to middle elevations.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

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

Cultivation

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

Distribution

Dysoxylum hongkongense world distribution map, present in China

Conservation status

Dysoxylum hongkongense threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:578166-1
WFO ID wfo-0000658620
COL ID 8S5K2
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Chisocheton hongkongensis Dysoxylum hongkongense Chisocheton kanehirai Chisocheton kusukusense Dysoxylum kanehirai Chisocheton kusukusensis Dysoxylum kusukusuense