Roystonea regia (Kunth.) O. F. Cook

Mehmud, Selim & Roy, Himu, 2021, Diversity and distribution of palms (Arecaceae) in Assam, India, Check List 17 (1), pp. 69-93 : 86

publication ID

https://doi.org/ 10.15560/17.1.69

persistent identifier

https://treatment.plazi.org/id/284487AF-FFBB-FF8F-3B11-FA2CFBCEF7DA

treatment provided by

Marcus

scientific name

Roystonea regia (Kunth.) O. F. Cook
status

 

Roystonea regia (Kunth.) O. F. Cook View in CoL

Diagnostic characters. Stems solitary, erect, 20–30 m tall woody tree, and ca 50 cm in diameter, grey, irregular in size. Leaf pinnate; crownshaft ca 1 m long, green; rachis ca 2–3 m long; leaflets 42–51 cm long, linear. In- florescence below the leaf, upwards, 1.2–1.4 m long, branched; spathe green, cylindrical, ca 2 m long. Stami- nate flowers ca 6 mm, and pistillate flowers ca 3 mm; fruit round.

Flowering and fruiting. June to July and January to February, respectively.

Uses. Ornamental.

Material examined. WEST INDIES • Apr. 1904; A. H. Carties leg.; CAL. INDIA Assam, Kamrup Metro , Ma- ligaon; 26°09′38″N, 091°42′37″E; alt. 63 m GoogleMaps ; 18 Feb. 2018; S. Mehmud leg.; CH .

A

Harvard University - Arnold Arboretum

H

University of Helsinki

CAL

Botanical Survey of India

S

Department of Botany, Swedish Museum of Natural History

Kingdom

Plantae

Phylum

Tracheophyta

Class

Liliopsida

Order

Arecales

Family

Arecaceae

Genus

Roystonea

Darwin Core Archive (for parent article) View in SIBiLS Plain XML RDF