Calamus zollingeri Becc.

NEW YORK BOTANICAL GARDEN
PALMS OF SULAWESI
Indonesia. Sulawesi Tengah: Donggala Regency, road from Tawaeli
to Toboli, Kebun Kopi, disturbed forest on steep slope, 00°43.002’S,
119°58.042’E, 618 m elevation. 2 November 2017.
Calamus zollingeri Beccari	batang
Stems clustered, 15 m long, 8 cm diameter. Sheaths densely covered
with rings of flattened, somewhat laciniate, black spines with shorter
spines interspersed; ocreas fibrous, densely spiny, open above the
petiole; petioles 62 cm long, without a basal, adaxial groove; rachises
344 cm long; pinnae 99 per side of rachis, regularly and closely
arranged, pendulous, with long spinules abaxially, few or no spinules
adaxially. Pistillate inflorescences erect, 94 cm long; fruits blue-black.
A. Henderson, Ramadhanil Pitopang, Zubair & Obet 4318
Fieldwork carried out in collaboration with Tadulako University
and funded by a Fulbright Scholar Award.