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FOC | Family List | FOC Vol. 23 | Arecaceae

8. Trachycarpus H. Wendland, Bull. Soc. Bot. France. 8: 429. 1862.

棕榈属 zong lü shu

Stem solitary, tall and aerial or rarely short and subterranean, usually covered with persistent, fibrous leaf sheaths, stems of older plants losing this covering, leaving a bare, ringed trunk. Leaves 6-25, palmate, usually forming a dense crown; leaf sheaths open, fibrous, old sheaths forming a mass of interwoven fibers, fibers at apex of sheath on younger leaves forming a prominent ocrea; petioles elongate, often bearing small, blunt teeth along margins; hastula present, small or prominent; blades green, gray-green, or bright white waxy on abaxial surfaces, divided into many stiff segments, these shortly split at their apices, rarely 2 or 3 segments fused together. Plants dioecious or polygamous. Inflorescences branched to 4 orders, borne among leaves, covered with many sheathing bracts, usually yellowish at flowering time. Fruits yellowish brown to purple-black, often with a whitish "bloom," kidney-shaped or oblong, grooved, 1-seeded; endosperm ruminate; germination remote; eophylls undivided, lanceolate.

Eight species: Bhutan, China, India, Myanmar, Nepal, N Thailand, Vietnam; three species (two endemic) in China.

It has not been possible to confirm the Kew World Checklist record of Trachycarpus martianus (Wallich ex Martius) H. Wendland for China.

1 Stem short and subterranean; segments 20-30 per leaf.   1 T. nanus
+ Stem tall and aerial; segments 40-70 per leaf   (2)
2 (1) Leaf blade bright white waxy on abaxial surface.   2 T. princeps
+ Leaf blade green or gray-green on abaxial surface.   3 T. fortunei

Lower Taxa


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