Description
Key Characters:
Growth Form:
Medium-sized, solitary-stemmed, unarmed palms.
Stems:
Caudex gray, straight, ringed with leaf scars.
Roots:
Leaves:
Leaves simple but appearing compound (pinnate) due to secondary splitting of the blade.
Spirally arranged.
Leaves with strongly elongate, tubular sheaths forming a conspicuous crownshaft, abscissing cleanly, leaflets in a single plane, midrib twisting slightly the blade turning edgewise; seedling leaf bifid.
Petiolate.
Stipules absent.
Flowers:
Flowers usually in triads of a central pistillate flower, with a staminate flower on either side, in infrafoliar inflorescences, these expanding after leaves fall, primary bracts 2, of similar length, deciduous one after the other, peduncles short, panicles many-branched, the rachillae pendulous at first, becoming more open and divaricate; staminate flowers expanding in advance of pistillate flowers.
Flowers unisexual (and the plants monoecious).
Sepals small, 3–keeled, obtuse and imbricate.
Corolla usually of 3 petals; ovate to oblong, subacute and valvate, bearing 8–24.
Stamens and a pistillode; anthers versatile and dorsifixed.
Ovary superior. Pistillate flowers more or less rounded, seated in a calyx-like cupule of bracts, calyx and corolla imbricate and of similar length, perianth accrescent after anthesis, staminodia sometimes present, ovary 3-angled, 1-celled; stigmas 3.
Fruit:
Fruit coral pink or red at maturity; globose–oblong or ellipsoid; exocarp soft; becoming thin and readily separating when dry; exposing a layer or covering of strong longitudinal fibers.
Seeds 1 per fruit; not furrowed; raphe a band of loose or embedded fibers; albumen prominently ruminate.
Ploidy:
Habitat:
Elevation Range: