Xanthophyllum hainanense Hu

Species

Angiosperms > Fabales > Polygalaceae > Xanthophyllum

Characteristics

Trees 5-20 m tall; bark gray, longitudinally thinly fissured. Branchlets terete, slender, glabrous. Petiole 6-10 mm, transversely rugose, sulcate adaxially; leaf blade yellow-green when dry, ovate-elliptic to oblong-lanceolate, 4-12 × 1.5-5 cm, leathery, both surfaces glabrous, midvein and lateral veins raised on both surfaces, lateral veins 9-11 pairs, anastomosing near margin, veinlets reticulate, raised abaxially, distinct adaxially, base cuneate or obtuse, margin sometimes undulate, apex long acuminate. Racemes or small panicles axillary or terminal, 3-9 cm; peduncles and pedicels densely pubescent; bracteole 1, caducous, lanceolate. Flowers fragrant, small. Sepals with both surfaces pubescent, ciliate; outer 3 ovate, small, ca. 2 mm, apex acute; inner 2 elliptic to oblong, large, ca. 4 mm, apex rounded. Petals yellow-white, elliptic or oblong-lanceolate, ca. 7 mm, apex obtuse, thinly ciliate. Stamens 8, free, 4(-8) mm, lower parts villous; anthers basifixed, ellipsoidal, ca. 0.5 mm. Ovary pitcher-shaped, ca. 1 mm in diam., densely pubescent; ovules 4; style 3-6 mm, slightly pubescent at base; stigma capitate. Drupe yellowish, 1.5-2 cm in diam., pubescent or subglabrous; fruit stalk terete, ca. 5 mm, stout, pubescent. Seed yellowish, subglobose, ca. 8 mm in diam. Fl. Mar-May, fr. Apr-Jul.
More
A tree. It grows 5-20 m tall. The bark is grey and has thin cracks along it. The leaves are oval and 4-12 cm long by 2-5 cm wide. The fruit is yellowish and about 2 cm across It can be hairy. The seed is yellowish and 8 mm across.
Life form -
Growth form tree
Growth support free-standing
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 5.0 - 20.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway c3

Environment

It is a tropical plant. It grows in mountain forests between 100-600 m above sea level. It grows in Hainan.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 8-12

Usage

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

Cultivation

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

Distribution

Xanthophyllum hainanense world distribution map, present in China and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:692851-1
WFO ID wfo-0001226890
COL ID 5C798
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Xanthophyllum hainanense