Calamus harmandii

Family: Arecaceae    Palm Tree

Common Name: None known

Common Synonymy:
nya seui, yeu mo

Cold Hardiness Zone: 10b     View the UK and US zone maps

Identification:
Has an erect none climbing stem 0.5-1.1 m tall 4 cm in diameter with open, not tubular sheaths. With straight spines at the base of the petiole up to 3 cm long. The whole leaf is 1.4-1.7 m long. The leaflets are 40 cm x 1.6 cm with three prominent, bristly veins on the upper surfaces, and the margins are also bristly. Petiole of upper leaves is 35-85 cm long. Inflorescence is errect 1.3-1.4 m long with no flagellum, the branches pressed against the axis. Primary bracts are lacerate, not inflated, and almost unarmed. Male and female flowers are all very crowded, not in neat rows. Dioecious. Fruit as yet unknown.

General Information:
Endemic to one site in south Laos in evergreen forest at 150-200 m. It has no uses. It is not in cultivation. The species shares similarities to C. acanthophyllus, C. erectus, C. dongnaiensis and especially C. oxycarpus. And also Calamus sp A Found in neighbouring Vietnam, and has leaflets strongly grouped, up to 24 x 1 cm. Sheath and petiole spines flat, black, in neat rows (like a tiny C. rhabdocladus). Inflorescence up to 80 cm, well branched, primary bracts lacerate, rachillae curved back, the flowers in neat rows. Flowers in bud 11. Grows in evergreen forest at 1200-2000 m.

Distribution:

Work in progress
Distribution Information currently being revised!


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