PlantNET Home DONATE TODAY | PlantNET Home | Search NSW Flora | Contact Us  
FloraOnline
Introduction
Plant Name Search
Index Search
Spatial Search
Identification Keys
Classification
Glossary
WeedAlert
Telopea Journal
Other Data Sources
NEW SOUTH WALES FLORA ONLINE Printable Page

Genus Odontonema Family Acanthaceae

Description: Erect shrubs with linear cystoliths.

Leaves petiolate, opposite pair connected by transverse ridge.

Inflorescence terminal, raceme-like, flowers in clusters. Bracts 2, small; bracteoles 2, similar to bracts. Calyx small, with 5 segments, free almost to base, more or less equal. Corolla red, scarcely 2-lipped, long tubular; lobes 5, short, more or less equal. Stamens 2, inserted near middle of corolla tube, included (in Australia); anthers 2-celled, cells parallel, inserted equally; staminodes 2. Ovary with 2 ovules per cell, style long; stigma capitate.

Capsule clavate, basal part lacking seeds; seed bearing hooks prominent. Seed 2 or 4, flat, glabrous.


Distribution and occurrence:

An Amercian shrub genus of c. 30 species occuring from Mexica to Brazil, a few species cultivated as ornamentals. Previously mis-identified as Odontonema tubaeforme.

Text by Louisa Murray
Taxon concept: Barker, R. M. (1996), J. Adelaide Bot. Gard. 17, p 145.

One species in NSW: Odontonema cuspidatum

  Privacy | Copyright | Disclaimer | About PlantNET | Cite PlantNET