Bixa orellana L.

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Bixa orellana

Photo: Bart Wursten
By Mazowe rd, north of Harare

Bixa orellana

Photo: Bart Wursten
Mazowe rd, north of Harare

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Common names: Annatto (English) Arnotto (English)
Description: Small tree, to 5 m. Leaves alternate, ovate; base cordate; apex acuminate. Inflorescence a terminal panicle. Sepals 5. Petals 5, pink. Fruit a spiny ovoid capsule.
Notes: Frequently cultivated as an ornamental. Included in FZ 1 part 1, but does not appear to be naturalised either within Zimbabwe or the FZ region.
Derivation of specific name: orellana: pre-Linnaean name
Flowering time:
Worldwide distribution: Native to tropical America. Elsewhere mostly as an ornamental tree and rarely naturalised.
Growth form(s): Tree, shrub over 2 m.
Insects associated with this species:
Spot characters: Display spot characters for this species
Image last updated: Friday 12 January 2007

Biegel, H.M. (1977). Check-list of ornamental plants used in Rhodesian parks and gardens. Rhodesia Agricultural Journal. Research Report No. 3. Page 29.

Wild, H. (1960). Bixaceae Flora Zambesiaca 1(1) Page 261.

Other sources of information about Bixa orellana:

Our websites:

Flora of Caprivi: cultivated Bixa orellana
Flora of Malawi: cultivated Bixa orellana
Flora of Mozambique: Bixa orellana
Flora of Mozambique: cultivated Bixa orellana

External websites:

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

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-24

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2024). Flora of Zimbabwe: Cultivated Plants: Species information: Bixa orellana., retrieved 29 February 2024

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