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Neotropical Euphorbiaceae s.l.
Croizatia
SUMMARY
Trees or shrubs, dioecious. Exudate absent*. Unarmed*. Stipules free*, simple, unlobed, entire *, not spine-like*, not leaf-like*, without glands. Leaves distributed evenly along stem, alternate or almost opposite, simple, unlobed, base symmetrical, margin entire, leaf blade not pellucid-punctate; leaf glands absent*; venation pinnate; domatia absent*; stipel-like appendages absent*. Petiole present, without swellings or bends at base or apex*, without glands. Inflorescence without axis, axillary, fasciculate, fascicles few-flowered, female flowers sometimes solitary; bracts not leaf-like*, green; pedicels present, not articulated*. Male flowers: sepals 5, imbricate, free, persistent, greenish, petals 5, small, greenish, hairy; disc surrounding the staminal whorl (extrastaminal), annular; stamens 5, free or rarely completely fused; anther without conspicuous modification, thecae in bud introrse or latrorse; pistillode present. Female flowers: sepals 5, imbricate, free, persistent, greenish, in female flowers enlarged relative to other floral parts; petals 5, greenish, hairy; disc surrounding the ovary, annular; ovary locules 3, ovules per locule 2; styles 3, free, 4-branched (i.e. each style divided, ultimate divisions per locule 4), styles or stigmas not flat*, surface smooth*; staminodes present. Fruit dehiscent, unsculptured*, greenish to brown; seed without appendage, covering or membraneous layer*; embryo flat, not minute, cotyledons leaf-like or not minute, storage, cotyledons massive.
An asterisk * indicates a state has been assumed but not yet confirmed.
World Checklist: 5 spp.