Family: Lamiaceae

Description: 

Much branched scandent shrubs; stem 4-angled, armed with short thorns. Leaves simple, opposite, ovate or elliptic-ovate, apex acute to shortly acuminate, base subcordate or truncate, margin creneate-serrate, scabrous above, puberulous below. Inflorescence terminal and axillary condensed spikes. Flowers sessile, orangish-red, changing to deep red on ageing. Calyx truncate. Corolla salver-shaped; lobes 5, obscurely 2-lipped. Stamens 4, included. Drupe 2-3 mm across, globose.