Gymnanthes Sw.

Gymnanthes (en)

Genus

Angiosperms > Malpighiales > Euphorbiaceae

Characteristics

Shrubs to trees, monoecious but male flowers sometimes lacking; indumentum mostly absent [or sometimes of simple multicellular hairs], latex present, white. Leaves alternate; stipules small; petiole without glands; leaf blade margins entire [to rarely serrate], with marginal glands abaxially, pinnately veined. Inflorescences terminal or axillary, elongate racemelike thyrses, unbranched [rarely branched]; bracts 2-glandular [or eglandular]. Male flowers 1-3 per bract-axil, small; pedicel short but distinct; sepals 3, small, fused only at base; petals absent; disk absent; stamens 3-12; filaments free; anthers longitudinally dehiscent; pistillode absent. Female flowers: pedicel distinct and often elongating considerably in fruit; sepals 3, free to slightly united at base; petals absent; disk absent; ovary 3-locular, smooth or muricate with 3 pairs of spines; ovules 1 per cell; styles 3, undivided. Capsules subglobose, smooth or muricate, of 3 2-valved cocci. Seeds ellipsoid, dry, usually ecarunculate; endosperm fleshy.
More
Shrubs or trees, unarmed, monoecious [dioecious]; hairs absent [unbranched]; latex colorless [white]. Leaves persistent [deciduous], alternate, simple; stipules present, persistent; petiole present, glands absent; blade unlobed, margins entire [serrate], laminar glands abaxial, submarginal [absent]; venation pinnate. Inflorescences bisexual (pistillate flowers proximal, staminate distal) [unisexual], terminal or axillary, racemelike thyrses; glands subtending each bract 0 [or 2]. Pedicels present. Staminate flowers: sepals 0[–3]; petals 0; nectary absent; stamens (2–)4(–5)[–100], distinct; pistillode absent. Pistillate flowers: sepals 0[–3]; petals 0; nectary absent; pistil 3-carpellate; styles 3, connate basally, unbranched. Fruits capsules. Seeds subglobose; caruncle present [absent].
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Growth form shrub
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Foliage retention deciduous
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Hardiness (USDA) 9-12

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