Bruinsmia polysperma (C.B.Clarke) Steenis

Species

Angiosperms > Ericales > Styracaceae > Bruinsmia

Characteristics

Trees to 15 m tall. Trunk to 60 cm d.b.h. Branchlets terete, glabrous. Winter buds naked, stellate pubescent. Petiole ca. 1.3 cm, glabrous, sulcate; leaf blade oblong-elliptic, 14--17 X 6--8 cm, greenish when dry, thinly leathery, subglabrous, base cuneate, margin remotely serrate to entire, apex acuminate, secondary veins 5--8 pairs, tertiary veins reticulate and abaxially conspicuously raised. Bracteole lanceolate, ca. 1.2 mm. Pedicel 1--2 mm. Calyx 1.5--2 X 5--6.5 mm, densely stellate pubescent. Corolla white; lobes ovate-oblong, ca. 1.5 mm, pubescent on both sides. Filaments 1.5--3 mm, slightly flattened, glabrous or shortly pubescent inside and on margin. Fruit oblong-ellipsoid, 10--12 X 7--9 mm, apex rostrate, pericarp with bony endocarp and pulpy exocarp. Seeds ca. 1.5 mm, oblong, pointed at both ends, strongly rugose. Fl. Apr-Jul, fr. Oct-Dec.
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A tree. It grows 15 m tall. The trunk is 60 cm across. The leaves are narrowly oval and 14-17 cm long by 6-8 cm wide. There can be teeth towards the tip. The fruit are oblong and 10-12 mm long by 7-9 mm wide. The seeds are 1.5 mm long and pointed at both ends.
Life form -
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 0.6
Mature height (meter) 15.0
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Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

It is a tropical plant. It grows in primary forests between 1,100-1,300 m above sea level in Yunnan.
Light -
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Hardiness (USDA) 8-12

Usage

The ripe fruit are eaten.
Uses material
Edible fruits
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
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Distribution

Bruinsmia polysperma world distribution map, present in China, India, Myanmar, Nepal, Thailand, and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:826315-1
WFO ID wfo-0000572771
COL ID 5WSQZ
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Bruinsmia polysperma Styrax polyspermus