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FOC | Family List | FOC Vol. 11 | Euphorbiaceae

5. Flueggea Willdenow, Sp. Pl. 4: 637, 757. 1805.

白饭树属 bai fan shu shu

Authors: Bingtao Li & Michael G. Gilbert

Geblera Fischer & C. A. Meyer.

Erect shrubs or small trees, dioecious, rarely monoecious; branchlets sometimes spine-tipped, indumentum of simple hairs, often absent. Leaves alternate, often distichous; petiole short; leaf blade simple, margin entire or serrulate, venation pinnate. Inflorescences axillary, 1-flowered, fascicled, or cymose; bracts obscure. Male flowers: pedicels long and slender; sepals 4-7, imbricate, margins entire or serrulate; petals absent; disk of 4-7 segments, these sometimes connivent or fused; stamens 4-7, inserted at base of disk, longer than sepals; filaments free; anthers 2-locular, erect, extrorse, longitudinally dehiscent; pistillode small, 2- or 3-lobed. Female flowers: pedicels terete or angular; sepals as in male; disk saucer-shaped or patelliform, sometimes thickened, entire or lobed; ovary (2 or)3(or 4)-locular; ovules 2 per locule; styles free, spreading, apex bifid or entire. Fruit a capsule, globose or trigonous, dehiscent into 3 cocci or indehiscent and ± berrylike; columella and sepals persistent; locules usually 2-seeded. Seeds usually 3-angled; testa thin, crustaceous, smooth to reticulate or verruculose, sometimes adaxially invaginated at hilum; endosperm copious; embryo straight to distinctly curved, lacking chlorophyll; cotyledons broader and much longer than radical.

About 13 species: widespread in tropical to warm temperate regions; four species (one endemic) in China.

1 Plants without spine-tipped branchlets   (2)
+ Plants with spine-tipped branchlets   (3)
2 (1) Leaf blade margins entire or sometimes irregularly serrate or undulate-toothed, abaxially greenish; fruit a 3-angled reddish brown capsule.   1 F. suffruticosa
+ Leaf blade margins entire, abaxially whitish green; fruit a subglobose white berry.   2 F. virosa
3 (1) Branches angular; young stems, branchlets, leaves, pedicels, ovary, and capsules pubescent or puberulent; leaf blade 3-7 × 2-5 mm; flowers solitary or clustered; male sepals, stamens, and disk glands 6.   3 F. acicularis
+ Branches terete; plant glabrous throughout; leaf blade 13-25 × 10-15 mm; flowers in cymes; male sepals, stamens, and disk glands 5.   4 F. leucopyrus

Lower Taxa


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