Trigonostemon thyrsoideus Stapf

Species

Angiosperms > Malpighiales > Euphorbiaceae > Trigonostemon

Characteristics

Shrubs or treelets, 1-6 m tall; branches puberulent to glabrous. Leaves uniformly spaced; petiole 4-12 cm, glabrous, with 2 conical glands at apex; leaf blade obovate-elliptic or oblong-elliptic to lanceolate, [10.5-]16-32 × 3.5-12 cm, papery, both surfaces glabrous, brownish when dry, base broadly cuneate to rounded, margins obscurely sparsely glandular-serrate, apex acute to shortly acuminate; lateral veins 8-13. Inflorescences terminal, pyramidal thyrses, to 20 cm, brown pubescent. Male flowers: sepals 5, ovate, ca. 1.5 mm, exterior pilose; petals 5, oblong, yellow, glabrous, 3-4 × 1.8-2 mm; disk glands 5; stamens 5; filaments connate; connectives conspicuously produced, erect, emarginate. Female flowers: sepals and petals as in male, but larger; disk cupular, 5-lobed; ovary glabrous; styles 3, short, shallowly bifid. Fruiting pedicels ca. 3 cm; capsules ca. 1.5 cm in diam., deeply longitudinally 3-grooved, sparsely and very shortly aculeolate. Seeds ellipsoidal, with stripes of gray spots. Fl. Apr-Jul, fr. Jun-Sep.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality monoecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 3.5 - 6.0
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 -

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

Trigonostemon thyrsoideus world distribution map, present in China and Thailand

Identifiers

LSID urn:lsid:ipni.org:names:358075-1
WFO ID wfo-0000328374
COL ID 58TBZ
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Trigonostemon thyrsoideus