Perennial herbs, from rhizomes; true aerial stems absent or weak and concealed in pseudo-stem. Leaves basal, or basal and cauline, 2-ranked differentiated into basal sheath, petiole and lamina; sheaths overlapping forming pseudo-stem; ligule absent; lateral veins parallel, diverging from prominent mid-rib. Inflorescence 1 per aerial shoot, projecting from tip of the pseudo-stem, pedunculate racemes of several- many-flowered cymes. Flowers bilaterally symmetric; sepals and petals scarcely differentiated, sepals 3, 2 fused; petals 3, fused. Fruit a drupe, blue, rarely red or yellow, at maturity. Seeds without an aril.
Derivation of name: After Mount Helicon, seat of the Muses. Worldwide: 200 species in North America, Mexico, Central America, West Indies and Oceania.
Zimbabwe: 1 cultivated taxon. |
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