Calamus inermis T. Anders.

Mehmud, Selim & Roy, Himu, 2021, Diversity and distribution of palms (Arecaceae) in Assam, India, Check List 17 (1), pp. 69-93 : 76-78

publication ID

https://doi.org/ 10.15560/17.1.69

persistent identifier

https://treatment.plazi.org/id/284487AF-FFAD-FF97-3B11-F819FE45FC1C

treatment provided by

Marcus

scientific name

Calamus inermis T. Anders.
status

 

Calamus inermis T. Anders. View in CoL

Figure 4C, D

Diagnostic characters. Stems clustered, climbing, 8–15

m long, with leaf sheath ca 10 cm in diameter; spines pointing downward, 1–3 cm long; indumentums brown. Leaf pinnate, 2–4 m long, cirri 1–2 m long; petiole 6–7 cm long with 4–5 mm long spines; leaflets many, 50–63 cm long in groups of 2–4, alternate to opposite, inequi- distant, lanceolate, serrated, margin bristly, acuminate, with 3 veins. Knee 6–8 cm long; ocrea inconspicuous, acute, ca 4 mm long. Staminate inflorescence ca 1.8 m long, terminating by ca 3–5 cm long non flagellate organ; partial inflorescences 32–58 cm long; rachillae alternate, 4–7 cm long. Pistillate inflorescence ca 1.3 m long; par- tial inflorescences ca 40 cm long; rachillae zigzag, 8–12 cm long, dyad alternate. Fruits ca 2.6 cm long, perianth tubular and scales in 18 vertical rows.

Flowering and fruiting. November to June.

Distribution. Dima Hasao and East Karbi Anglong districts; prefers hilly areas.

Uses. In furniture (cane).

Material examined. VIETNAM • Khanh Hoa Pro- vince, Khanh Vinh, Khanh Trung Commune ; 12°22′N, 108°49′E; alt. 450 m; 11 Oct. 2016; Andrew Hender- son & Nguyen Quoc Dung leg.; NYBG 02710739 View Materials . IN- DIA GoogleMaps 1 ♀; Assam, Dima Hasao, Jatinga ; 25°07′56.3″N, 093°01′15.4″E; alt. 684 m; 27 Jun. 2019; S. Mehmud leg. GoogleMaps ; CH, ASSAM 96225 About ASSAM .

DIA

Museu do Dundo

S

Department of Botany, Swedish Museum of Natural History

Kingdom

Plantae

Phylum

Tracheophyta

Class

Liliopsida

Order

Arecales

Family

Arecaceae

Genus

Calamus

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