Calamus posoanus

NEW YORK BOTANICAL GARDEN
PALMS OF SULAWESI
Indonesia. Sulawesi Tengah: Poso Regency, road from Watutau to Sangginora, forest along river
in open savanna, steep slope, 01°35.410’S, 120°25.945’E, 1507 m elevation. 18 November 2017.
Calamus posoanus Rustiami
koruku
NEW YORK BOTANICAL GARDEN
03698065
Stems solitary, 15 m long, 3 cm diameter. Sheaths densely spiny with brown, needle-like spines
in rows; petioles 28 cm long; rachises 148 cm long; pinnae 10 per side of rachis, regularly
arranged, not reduced distally, with numerous vestigial spinules all over abaxial surface; cirri
spines regularly arranged. Inflorescences staminate, 194 cm long.
A. Henderson, Sahlan, Semuel Torokano & Martin Topanga 4345
Fieldwork carried out in collaboration with Tadulako University and funded by a Fulbright
Scholar Award.
• OTANICAL
03698065