Distribution: Pantropic, but concentrated in South America
Economic
Uses: Locally cultivated for edible
fruits, ornamentals and as a key ingredient in hallucinogenic
mixtures developed by indigenous groups of the western Amazon.
Defining
Features of Interest: Leaves often
subtended by unique 'malpighian hairs' which are unicellular and
two -branched.
Fossil Evidence: No known
fossil record.
Floral Features : Actinomorphic or zygomorphic and perfect (rarley unisexual). Often large and showy. Inflorescence as axillary or terminal cymes, panicles or racemes.Hypogygous.
Fruit and Seed Features : Fruit a drupe, nut or schizocarp w/ winged mericarps. Seeds lacking endosperm. Placentation is axile.
Vegetative Features
: Habit as shrubs, trees or lianas. Leaves simple and entire,
opposite (rarely alternate). Stipules can be present and absent.
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