Calamus didymocarpus Warb. ex Becc.

NEW YORK BOTANICAL GARDEN
PALMS OF SULAWESI
Indonesia. Sulawesi Tengah: Poso Regency, road from Tambing Lake to Sedoa, undisturbed
forest on steep slope, 01°20.216’S, 120°19.747’E, 1413 m elevation. 16 November 2017.
Calamus didymocarpus Warburg ex Beccari	pai
Stems solitary, 20 m long, 3.5 cm diameter. Sheaths green, mottled, with black, horizontal,
triangular spines, but with some vertical lines on sheath without spines; ocreas fringed; petioles
7.5 cm long; rachises 161 cm long; pinnae 30 per side of rachis, regularly but distantly arranged,
somewhat leathery, with numerous vestigial spinules abaxially, with minute spinules on mid-
vein adaxially; distal pinnae reduced but not vestigial; cirri spines more or less regular but with
some solitary spines interspersed. Inflorescences staminate, 210 cm long but apex broken off and
certainly longer; rachis bracts strictly tubular.
A. Henderson, Sahlan, Semuel Torokano & Martin Topanga 4326
Fieldwork carried out in collaboration with Tadulako University and funded by a Fulbright
Scholar Award.
03698022