Calamus palustris Griff.

Mehmud, Selim & Roy, Himu, 2021, Diversity and distribution of palms (Arecaceae) in Assam, India, Check List 17 (1), pp. 69-93 : 80

publication ID	https://doi.org/ 10.15560/17.1.69
persistent identifier	https://treatment.plazi.org/id/284487AF-FFA1-FF95-3B11-FF08FA91FC24
treatment provided by	Marcus
scientific name	Calamus palustris Griff.
status

Treatment

Calamus palustris Griff. View in CoL

Figure 6B

Diagnostic characters. Stems clustered, climbing, 15– 20 m long and with leaf sheath 2–4 cm in diameter; fla- gella absent; spines 2–3 cm long, triangular. Knee green, ca 4 cm long, smooth to wrinkle; ocrea inconspicuous, acute, 5–6 mm long. Leaf pinnate, 3–4 m long, cirri 1–1.2 m long. Leaflets lanceolate, ensiform, serrated, acuminate, 19–30 cm long and 5–8 cm wide. Staminate inflorescences 1.2–1.5 m long; partial inflorescences 7–9 in number, ca 50 cm long; rachillae alternate 1.5–5 cm long. Pistillate inflorescence 70–80 cm long; partial in- florescences 5–6 in number, 18–30 cm long; rachillae 8–10 cm long.

Flowering. February to May.

Distribution. Cachar, Dhemaji, Kamrup Rural, and Kokrajhar districts; prefers waterlogged plains.

Uses. For preparation of furniture (cane).

Material examined. INDIA • North Andaman ; 29 Mar. 1977; N. P. Balakrishnan leg.; CAL0000056703 About CAL . • Assam, Cachar, Dwarband ; 24°34′39.1″N, 092°44′8.3″E; alt. 32m; 20 Nov. 2018; S. Mehmud leg. GoogleMaps ; CH, ASSAM 96232 About ASSAM .