Polyalthia obliqua Hook.F. & Thomson

Species

Angiosperms > Magnoliales > Annonaceae > Polyalthia

Characteristics

Trees to 12 m tall. Bark dark gray. Branchlets reddish, minutely rust-colored pubescent, soon glabrous, with many lenticels when young. Petiole 3-5 mm, swollen, puberulent; leaf blade oblong-lanceolate to oblanceolate, 10-20 × 2.5-7 cm, thinly leathery to papery, abaxially dull, drying silvery green, and pubescent along midvein, adaxially glabrous and shiny, secondary veins 10-14 on each side of midvein, curving, forming a wide angle with midvein, anastomosing doubly, and adaxially flat, base narrowed and sometimes inequilateral, margin slightly revolute, apex bluntly acuminate. Inflorescences axillary, sometimes formed after leaf fall, 1-3-flowered. Pedicel 1-1.8 cm, pubescent; bracteoles 2 or 3, minute, 2 basal and other medial on pedicel. Sepals ovate-triangular, 2-3 mm, outside pubescent, inside glabrous, apex slightly obtuse. Petals white, oblong, 10-13 × 3-4.5 mm, subequal, outside pubescent, inside glabrous and rough, margins revolute, apex slightly obtuse. Stamens ca. 1 mm; connectives apically flat-topped to convex, pubescent. Carpels ovate-oblong, ca. 1.5 mm, pubescent; ovules 2 per carpel; stigmas ovoid, pubescent. Monocarp stipes 0.7-2 cm; monocarps reddish brown, globose, 1-2 cm in diam., thinly walled, glabrous, densely minutely verrucate. Seeds 2 per monocarp, verrucose. Fl. Jan-Apr, fr. Jun-Dec.
More
A tree. It grows 12 m tall. The young branches are red with rust coloured hairs. The leaf blade is broadly oval to sword shaped and 10-12 cm long by 3-7 cm wide. They are thinly leathery or papery. They are dull underneath. There are 10-14 pairs of secondary veins. They curve. The flowers are in the axils of the leaves. There are 1-3 flowers in a group. The fruit are round and red to brown. They are 1-2 cm across. There are 2 seeds.
Life form -
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
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Mature width (meter) -
Mature height (meter) 12.0
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Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
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JanFebMar
AprMayJun
JulAugSep
OctNovDec
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Environment

A tropical plant. It grows in woodlands at mid elevations.
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Usage

Uses construction material medicinal
Edible fruits
Therapeutic use -
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Animal toxicity -

Cultivation

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Distribution

Polyalthia obliqua world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:74673-1
WFO ID wfo-0000394355
COL ID 4KZPR
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Polyalthia similis Polyalthia subsessilifolia Polyalthia obliqua Goniothalamus lanceolatus Phaeanthus lanceolatus Polyalthia lopadantha