613.010 Roystonea O.F. Cook

Fayaz, F. (2011) Encyclopedia of Tropical Plants Firefly Books, New Zealand

Description of the genus

Palms. Solitary, stems erect; unarmed; forming prominent crownshaft, green and smooth. Leaves petiole unarmed; lamina pinnate, plication reduplicate; segments linear-lanceolate, in more than 1 plane. Inflorescence axillary below the crown of leaves, paniculate with 2 or 3 orders of branching; flowers sessile in triads. Flowers: sepals 3, imbricate, membranous; petals 3, valvate. Fruit a drupe, fibrous, stigmatic scar basal; exocarp ripening from green to red to purplish-black, thin leathery; mesocarp fleshy oily; endocarp hard. Seeds 1 nearly globose, dorsiventrally compressed.

Worldwide: 11 species in Florida, Central and South America and the West Indies.

Zimbabwe: 2 cultivated taxa.

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Links to cultivated taxa    View: living plant images - herbarium specimen images - all images for this genus

oleracea (Jacq.) O.F. Cook
regia (Kunth) O.F. Cook

Other sources of information about Roystonea:

Our websites:

Flora of Mozambique: cultivated Roystonea

External websites:

African Plants: A Photo Guide (Senckenberg): Roystonea
BHL (Biodiversity Heritage Library): Roystonea
EOL (Encyclopedia of Life): Roystonea
GBIF (Global Biodiversity Information Facility): Roystonea
Google: Web - Images - Scholar
iNaturalist: Roystonea
IPNI (International Plant Names Index): Roystonea
JSTOR Plant Science: Roystonea
Mansfeld World Database of Agricultural and Horticultural Crops: Roystonea
Plants of the World Online: Roystonea
Tropicos: Roystonea
Wikipedia: Roystonea

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-23

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2023). Flora of Zimbabwe: Cultivated plants: genus page: Roystonea.
https://www.zimbabweflora.co.zw/cult/genus.php?genus_id=2073, retrieved 2 June 2023

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