Epiphyte (rarely a lithophyte) on trees. Stems green, cylindric with
articulated whorled branches up to 1 m. Leaves 0 or reduced
to minute scales. Young plants bear areoles subtended by
minute scales with tufted bristles. Flowers lateral, white or
greenish-white; perianth segments 8-13, the outermost 3-5 small, unequal,
± succulent, greenish, the inner 5-8 translucent. Fruit
mucilaginous, white, yellow or pink. Seeds with a caruncle, black
and glossy (in ours). Derivation of name: from the Greek for wicker work, reffering to the long, thin, interlacing branches chacteristic of many species in this genus. Worldwide: c. 60 species; all but one confined to tropical and subtropical America. Zimbabwe: 1 taxon. |
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