8037.000 Odontonema Nees

Baum, V.M. (1982) A Revision of the genus Odontonema (Acanthaceae) MSc Thesis

Darbyshire, I., Vollesen, K. & Kelbessa, E. (2015) Acanthaceae (Part 2) Flora Zambesiaca 8(6)

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

Description of the genus

Herbs or shrubs. Leaves simple, opposite; large with crystoliths on both sides. Inflorescence of terminal panicles or thyrses. Calyx with equal subulate segments. Corolla much longer than the calyx, 2-lipped, sometimes weakly so; upper lip 2-lobed, lower 3-lobed; petals (in ours) purplish-pink or red. Stamens 2; staminodes 2. Fruit a clavate capsule. Seeds 4.

Derivation of name: From Greek odonto meaning toothed, nema meaning a thread or filament, referring to the toothed filaments of the stamens

Comment: Odontonema is sunk under Justicia in Mabberley (1997), but the genus is retained in Flora Zambesiaca 8(6), pp. 4 and 5.

Worldwide: 40 species in New World tropics.

Zimbabwe: 2 cultivated taxa.

Odontonema cuspidatum

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

callistachyum (Cham. & Schltdl.) KuntzeDescription, Image
cuspidatum (Nees) KuntzeDescription, Image

Other sources of information about Odontonema:

Our websites:

Flora of Malawi: cultivated Odontonema
Flora of Mozambique: cultivated Odontonema
Flora of Zambia: cultivated Odontonema

External websites:

ePIC (electronic Plant Information Center): Odontonema
Flora Zambesiaca web site: Odontonema
Google: Web - Images - Scholar
GRIN (Germplasm Resources Information Network) taxonomy for plants report for Odontonema
Wikipedia: Odontonema
IPNI (International Plant Names Index): Odontonema
Kew Herbarium catalogue: Odontonema

Copyright: Mark Hyde, Bart Wursten, Petra Ballings and Meg Coates Palgrave, 2002-22

Hyde, M.A., Wursten, B.T., Ballings, P. & Coates Palgrave, M. (2022). Flora of Zimbabwe: Cultivated plants: genus page: Odontonema.
https://www.zimbabweflora.co.zw/cult/genus.php?genus_id=1610, retrieved 3 December 2022

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