Deutzianthus tonkinensis Gagnep.

Species

Angiosperms > Malpighiales > Euphorbiaceae > Deutzianthus

Characteristics

Trees up to 12 m tall; trunk to 30 cm d.b.h.; young branches densely stellate-hairy, glabrescent, with prominent leaf scars. Petiole 5-20 cm, glabrous, 2-glandular at apex; leaf blade elliptic-ovate to elliptic-rhomboid, 10-15 × 6-11 cm, abaxially glaucous-gray, glabrous except for tufted pubescent vein axils, adaxially glabrous, base cuneate or broadly cuneate to rounded, margin entire, apex acute to acuminate; lateral veins 5-7 pairs, arcuately ascending, anastomosing near margins. Inflorescence terminal, densely gray pubescent; male inflorescences ca. 15 × 20 cm; female inflorescences ca. 10 × 12 cm, bracts persistent and nearly filamentous. Male flowers: calyx campanulate, lobes triangular, ca. 1 mm; petals oblong, ligulate, hairy on both surfaces; disk 5-parted; stamens 7; filaments hairy; anthers exserted. Female flowers: calyx and sepals as in male, calyx 2-5 mm; disk cupular, 5-fid; ovary sericeous; styles dichotomous, diverging at apex. Fruits slightly compressed globose, ca. 4 cm in diam., gray pubescent; exocarp thickly crustaceous; endocarp woody. Seeds ellipsoid, ca. 2.5 × 1.8 cm; seed coat smooth, glossy. Fl. Apr-Jun, fr. Jul-Sep.
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Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality dioecy
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Mature height (meter) 12.0
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AprMayJun
JulAugSep
OctNovDec
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AprMayJun
JulAugSep
OctNovDec
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Usage

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Edible -
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Cultivation

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Distribution

Deutzianthus tonkinensis world distribution map, present in China and Viet Nam

Conservation status

Deutzianthus tonkinensis threat status: Near Threatened

Identifiers

LSID urn:lsid:ipni.org:names:344285-1
WFO ID wfo-0000942086
COL ID 355RF
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Deutzianthus tonkinensis