Calamus didymocarpus Warb. ex Becc.

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NEW YORK BOTANICAL GARDEN
PALMS OF SULAWESI
Indonesia. Sulawesi Tengah: Poso Regency, Tambing Lake, Lore Lindu National Park, relatively
undisturbed forest near lake, 01°19.578’S, 120°18.609’E, 1580 m elevation. 25 October 2017.
Calamus didymocarpus Warburg ex Beccari	lauro pai
Stems solitary, 35 m long, 4 cm diameter. Sheaths green, mottled with white, with dense,
horizontal, black spines; knees without spines; petioles absent; rachises 115 cm long; pinnae 25
per side, regularly arranged, leathery, with dense, vestigial spinules abaxially; proximal pinnae
reduced, distal pinnae not vestigial; cirri spines irregular but some seem regular. Infructescences
350 cm long, inserted well below knees, terminating in a 30 cm long, straight stub; rachis bracts
strictly tubular, spiny; rachillae terminating in a spine-like bract; fruits globose, white;
endosperm deeply ruminate.
A. Henderson, Ramadhanil Pitopang, Sahlan & Martin Topanga 4299
Fieldwork carried out in collaboration with Tadulako University and funded by a Fulbright
Scholar Award.