Calamus posoanus

NEW YORK BOTANICAL GARDEN
PALMS OF SULAWESI
Indonesia. Sulawesi Tengah: Poso Regency, road from Tambing Lake to Sedoa, undisturbed
forest on steep slope, 01°19.965’S, 120°19.547’E, 1559 m elevation. 19 November 2017.
Calamus sp.
Stems forming small clumps with a few short stems less than 2 m and 2-3 longer stems to 25 m
long. Stems of longer stems are pencil-thin at the base and thicken towards the apex. With
sheaths, short stems are 0.5 cm diameter and longer stems are 1.3-2.7 cm diameter. Both have 6-
7 pinnae per side of the rachis, those of longer stems much broader. Apices of sheaths are
oblique and ocreas have a tuft of spines at the very apex. Inflorescences old, erect, probably
about 1 m long.
A. Henderson, Sahlan & Semuel Torokano 4348
Fieldwork carried out in collaboration with Tadulako University and funded by a Fulbright
Scholar Award.
03698070