Calamus henryanus Becc.

Mehmud, Selim & Roy, Himu, 2021, Diversity and distribution of palms (Arecaceae) in Assam, India, Check List 17 (1), pp. 69-93 : 76

publication ID	https://doi.org/ 10.15560/17.1.69
persistent identifier	https://treatment.plazi.org/id/284487AF-FFAD-FF99-3B12-FB0BFCADF859
treatment provided by	Marcus
scientific name	Calamus henryanus Becc.
status

Treatment

Calamus henryanus Becc. View in CoL

Figure 4A, B

Diagnostic characters. Stems clustered and climbing, ca 8 m long; leaf sheath with brown indumentums and triangular spines, ca. 2 cm long; flagella ca 1.5 m long. Knee glabrous or spiny, ca 2.5 cm long; ocrea ca 2 mm long. Leaf ecirriate, ca 1 m long; leaflets regular, lanceolate; easily distinguishable by its unique partial inflorescence up to 23 cm long where length of rachil- lae gradually decrease from base to apex but terminal rachilla is comparatively longer than others and the neuter flower with pedicel.

Flowering. November to March.

Distribution. Cachar district ( Mehmud and Roy 2020a).

Uses. As binding material (cane).

Material examined. INDIA • 2♂; Assam, Cachar , Bhu- ban Hill; 24°38′41.6″N, 093°00′52″E; alt. 704 m; 10 Nov. 2018; S. Mehmud leg.; CH, ASSAM 59113 View Materials . 2♀; Assam, Cachar, Bhuban Hill; 24°38′54.5″N, 093°00′25.6″E; alt. 112 m; 23 Mar. 2019; S. Mehmud leg.; CH, ASSAM 59114 View Materials GoogleMaps .