Pentaphragma decurrens Airy Shaw

Species

Angiosperms > Asterales > Pentaphragmataceae > Pentaphragma

Characteristics

Stem 15-20 cm by 4-6 mm, smooth, glabrous, marked with 4-5 conspicuous raised lines from the decurrent petiole-bases. Leaves broadly ovate-ellptic, slightly oblique, 20-21 by 9-11 cm, cuneate-attenuate at base, narrowed and acute (sometimes shortly subacuminate) at the apex, margin very obscurely denticulate or subentire, rather thick in texture, quite glabrous; nerves 4-5 pairs; petiole 7½-2½ cm by 2-4 mm, apparently acutely keeled on the back, glabrous, conspicuously de-current. Inflorescence apparently single on each stem, arising from an upper axil, not or scarcely scorpioid, 3-4 cm long, 10-12-flowered, glabrous except for the ciliolate bracts and sepals. Lower bracts 12-14 by 4-7 mm, elliptic, acuminate, subentire or sparsely ciliolate, submembranous, the upper ones smaller and more strongly ciliolate. Peduncle c. 1.5 cm. Pedicels almost absent. Calyx-tube shortly ellpsoid-ovoid, 5 by 2-3 mm, ± angled, glabrous. Sepals subspatulate-ellptic, 4-5 by 2-2½ mm, not very unequal, rounded at apex, erose-ciliolate, separated by rounded sinuses. Corolla known only from buds and damaged open flowers, apparently almost choripetalous; segments elliptic-obovate, 3-4 by 1.5-2 mm, thinly petaloid in texture (not fleshy), the margins ± induplicate-valvate in bud, apparently soon falling or broken off. Stamens known only from the bud: filaments very short; anthers ovate, apiculate, 1-7½ mm long. Style very short; stigma shortly pentagonal-cylindric, c. 1 mm long. Fruit shortly oblong, 8 by 4 mm.
More
Stem 15-20 cm by 4-6 mm, smooth, glabrous, marked with 4-5 conspicuous raised lines from the decurrent petiole-bases. Leaves broadly ovate-ellptic, slightly oblique, 20-21 by 9-11 cm, cuneate-attenuate at base, narrowed and acute (sometimes shortly subacuminate) at the apex, margin very obscurely denticulate or subentire, rather thick in texture, quite glabrous; nerves 4-5 pairs; petiole 7½-2½ cm by 2-4 mm, apparently acutely keeled on the back, glabrous, conspicuously de-current. Inflorescence apparently single on each stem, arising from an upper axil, not or scarcely scorpioid, 3-4 cm long, 10-12-flowered, glabrous except for the ciliolate bracts and sepals. Lower bracts 12-14 by 4-7 mm, elliptic, acuminate, subentire or sparsely ciliolate, submembranous, the upper ones smaller and more strongly ciliolate. Peduncle c. 1.5 cm. Pedicels almost absent. Calyx-tube shortly ellpsoid-ovoid, 5 by 2-3 mm, ± angled, glabrous. Sepals subspatulate-ellptic, 4-5 by 2-2½ mm, not very unequal, rounded at apex, erose-ciliolate, separated by rounded sinuses. Corolla known only from buds and damaged open flowers, apparently almost choripetalous; segments elliptic-obovate, 3-4 by 1.5-2 mm, thinly petaloid in texture (not fleshy), the margins ± induplicate-valvate in bud, apparently soon falling or broken off. Stamens known only from the bud: filaments very short; anthers ovate, apiculate, 1-7½ mm long. Style very short; stigma shortly pentagonal-cylindric, c. 1 mm long. Fruit shortly oblong, 8 by 4 mm.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.15 - 0.2
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Unknown, but doubtless rain-forest; fl.--08
More
Unknown, but doubtless rain-forest; fl.--08
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

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

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Pentaphragma decurrens world distribution map, present in Malaysia

Identifiers

LSID urn:lsid:ipni.org:names:144256-1
WFO ID wfo-0000481960
COL ID 76N6P
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Pentaphragma decurrens