Pterospermum lanceifolium Roxb.

Species

Angiosperms > Malvales > Malvaceae > Pterospermum

Characteristics

Trees, to 25 m tall; bark yellow-brown or gray, striate. Branchlets yellow-brown velutinous when young. Stipules 2-3-fimbriate, velutinous, longer than petiole; petiole ca. 0.5 cm; leaf blade lanceolate or oblong-lanceolate, 5-9 × 2-3 cm, abaxially densely yellow-brown or yellow-white velutinous, adaxially glabrous, base oblique or obtuse, margins entire or with several teeth near apex, apex acuminate or acute. Flowers solitary; pedicels 3-5 cm, articulate, velutinous; epicalyx lobes at middle of pedicel, 4-or 5-fimbriate or linear, 7-8 mm. Sepals linear, ca. 2 × 0.3 cm, both surfaces puberulent. Petals white, lanceolate, as long as sepals or slightly shorter, apex obtuse. Staminodes filiform, longer than stamens, basally villous. Ovary puberulent. Capsule woody, cylindrical-ovoid, ca. 5 × 2 cm, yellow-brown tomentose, base tapering into slender, 3-5 cm stipe, apex obtuse. Seeds 2-4 per locule, 2-2.5 cm including wing. Fl. spring and summer.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 20.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Fairly common in evergreen forests. Dense or open forests, slopes and valleys; at elevations around 800-900 metres in southern China.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses construction timber wood
Edible -
Therapeutic use Hemorrhage (leaf), Hemostatics (leaf)
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

Pterospermum lanceifolium world distribution map, present in Bangladesh, China, India, Cambodia, Lao People's Democratic Republic, Myanmar, Malaysia, Nepal, Papua New Guinea, Singapore, Thailand, and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:824773-1
WFO ID wfo-0001141130
COL ID 4Q3B8
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Pterospermum pierrei Pterospermadendron jackianum Pterospermadendron lanceifolium Pterospermadendron insulare Pterospermum lanceifolium Pterospermadendron saigonense Pterospermadendron pierrei Pterospermum insulare