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FOC | Family List | FOC Vol. 11 | Euphorbiaceae | Drypetes

3. Drypetes arcuatinervia Merrill & Chun, Sunyatsenia. 5: 95. 1940.

拱网核果木 gong wang he guo mu

Drypetes arcuatinervia var. elongata Merrill & Chun.

Erect shrubs up to 4 m tall, glabrous except for pubescent fruits; branches densely lenticellate; branchlets slightly flattened or terete. Petiole 2-5 mm; leaf blade oblong, oblong-lanceolate, or lanceolate, rarely elliptic, 6-15 × 2-6 cm, papery or thinly leathery, base obtuse, margin with sparse obtuse teeth, apex acuminate; lateral veins 7 or 8 pairs, reticulate veins distant. Flowers in racemes or panicles, to 7 cm, sometimes clustered. Male flowers: pedicels ca. 2 mm; sepals 4 or 5(or 6), elliptic or rounded, margins eroded-lacerate; disk 4-6-fid; stamens 4-6, inserted at sinus of disk; filaments short and slightly flattened; anthers rounded, without rudimentary ovary. Female flowers: sepals and disk as in male; ovary ovoid, 1-celled. Fruiting pedicels ca. 2 mm; drupes solitary or 2-5 grouped in racemose infructescences, axillary or alternate at upper part of branchlets, ovoid, ca. 1 cm, apex acute, sometimes rostrate, 1-celled, 1-seeded; exocarp thinly leathery, pubescent; mesocarp woody; endocarp hard-crustaceous. Seeds ovate, 7-8 mm, apex mucronulate; testa thin, with several, slightly elevated longitudinal ribs. Fl. Apr-Oct, fr. Aug-Apr.

Open forests on slopes; 300-800 m. Guangdong, Guangxi, Hainan, Yunnan [Vietnam].


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