Xanthophyllum petiolatum Meijden

Species

Angiosperms > Fabales > Polygalaceae > Xanthophyllum

Characteristics

Tree, 14 m. Twigs minutely patently hairy. Axillary buds erect, oblong, c. 11-12 by 4 mm, base broad, rounded, apex rounded. Petiole 26-31 mm. Leaf-blade 6-13.5 by 4-7 cm, base rounded, apex rounded to slightly obtuse; above: midrib sunken in apical half, slightly prominent in basal half, secondary nerves slightly sunken; beneath glaucous-papillose, secondary nerves 6-8 pairs, forming an indistinct intramarginal nerve in apical part, venation hardly protruding; glands 1-3, situated in middle and apical part, mostly c. 0.4 mm diam., basal glands sometimes present, rather large. Inflorescences up to 15 cm long; axes dark, patently, extremely shortly hairy; lower bracts opposite. Pedicel 4 mm, grooved, densely very shortly half-patently hairy. Sepals: outer sepals 2.9 by 3.3 mm, slightly pustulate; inner sepals 4 by 3.3 mm. Petals dark red when dry, the longest one 11.5 mm; carina densely appressedly hairy outside; other petals glabrous to sparsely shortly hairy outside. Stamens: filaments connate over 0.5-0.8 mm between upper and lateral petals, connate over c. 1.5 mm between lateral petals and carina, the free parts constricted at very base and then widened and with a distinct densely hairy knoblike thickening at inner side, further glabrous; anthers 0.7 mm long. Ovary c. 1.5 mm stipitate, appressedly hairy; ovules 4. Fruit unknown.
Life form -
Growth form tree
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 14.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

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

Xanthophyllum petiolatum world distribution map, present in Brunei Darussalam

Identifiers

LSID urn:lsid:ipni.org:names:901286-1
WFO ID wfo-0000428396
COL ID 7G8PB
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Xanthophyllum petiolatum