Petalostigma pubescens Domin

Species

Angiosperms > Malpighiales > Picrodendraceae > Petalostigma

Characteristics

Shrubs to small trees, up to 7 m high, usually single-stemmed. Indumentum of yellow-ferruginous hairs, mainly glabrescent. Bark roughly fissured, black-grey. Stipules linear-lanceolate, 4-6 by 0.3-0.8 mm, with dense hairs. Leaves: petioles 2.5-10 mm long, densely hairy; blade elliptic, orbicular or ovate, 10-65 by 7-45 mm, strongly discoloured, base cuneate, rounded or truncate, apex rounded to apiculate, upper surface dark glossy green, not granular, with sparse hairs when young; lower surface cream to cream-brown or ferruginous-brown, densely sericeous; venation with 5-7 pairs of nerves, veins ± obscure, reticulate. Flowers cream. Staminate flowers 5-12 mm diam.; pedicels 1-2 mm long, with sparse hairs; sepals 4, orbicular, broadly ovate to obovate, cucullate, 3.5-6 by 2.5-5 mm, sparsely hairy outside; stamens 28-68, connate into a column of 1.5-2 mm high, filaments 0.8-1.2 mm long, connate for most of their length, anthers oblong, 1.5-2 by 0.5-1 mm, usually with sparse hairs on apex of connective although occasionally glabrous. Pistillate flowers 5-8 mm diam.; pedicels 1.5-2.5 mm long, densely hairy; sepals 8, ovate to elliptic-ovate, 3.5-5.5 by 1.5-3 mm, densely hairy outside; ovary ovoid, 3.5-4 by c. 3 mm diam., with dense antrorse hairs; stigmas 4, elliptic-oblong, 5-6.5 by 1.4-2.5 mm, with sparse hairs on top and densely hairy on back. Fruit globose to subglobose, 11-22 by 15-20 mm diam., orange-yellow to orange. Seed ellipsoid, 6-9 by 3-4.5 by 3-4 mm thick, smooth to slightly rugose, glossy red-brown; caruncle ± reniform, 1.5-2.5 by 1.8-2.5 mm, yellow to yellow-red.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality dioecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 6.75
Root system -
Rooting depth (meter) 1.5
Root diameter (meter) -
Flower color
Blooming months -
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Sandstone plateaux, hilly uplands, and sandy, alluvial or stony plains at elevations up to 650 metres.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

Usage

Uses medicinal poison wood
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°) 20 - 37
Size -
Vigor -
Productivity -

Images

Petalostigma pubescens unspecified picture

Distribution

Petalostigma pubescens world distribution map, present in Australia, Sri Lanka, and Papua New Guinea

Conservation status

Petalostigma pubescens threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:353413-1
WFO ID wfo-0000267775
COL ID 4FCVC
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Petalostigma nummularium Petalostigma pubescens Petalostigma quadriloculare var. nigrum Petalostigma quadriloculare var. pubescens