Listed as a vulnerable species according to IUCN Red List criteria.
Spiny evergreen herb, with yellow/ orange flowers. Around one metre high. Could be used for hedging. Self seeded. Easily propagated from cuttings. Sun or part shade.
Pollinated by insects and attracts various species of butterflies. The insects attract insectivorous birds. Many butterfly caterpillars feed on Barleria (see Acanthaceae butterflies)
Possibly a larval foodplant to:
- Junonia orithya – Eyed Pansy
- Junonia natalica – Natal Pansy
- Catacroptera cloanthe – Pirate