Diversity and distribution of palms (Arecaceae) in Assam, India Author Mehmud, Selim Author Roy, Himu text Check List 2021 2021-01-13 17 1 69 93 http://dx.doi.org/10.15560/17.1.69 journal article 10.15560/17.1.69 1809-127X Calamus palustris Griff. 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 . • Assam , Cachar , Dwarband ; 24°34′39.1″N , 092°44′8.3″E ; alt. 32m ; 20 Nov. 2018 ; S . Mehmud leg. ; CH , ASSAM 96232 .