Swaziland's Flora Database:
Orthosiphon vernalis Codd
(name current 2016)
Growth form: Herb
Swaziland distribution: middleveld only
Red Data Book Information:
Status: LR nt Endemism: Endemic Distribution: Manzini, Mankaiana, Bhunya area, Evelyn Biring Bridge
Description (Compton's Flora of Swaziland*):
Orthosiphon vernalis - Perennial with woody rootstock; shoots single or few, erect, usually unbranched, up to c 30 cm high. Leaves opposite, stalk up to 2 mm long, blade lance-shaped to oval, up to 3 cm long X 1,5 cm wide, roughly hairy with numerous reddish gland-dots below, a few above; margins entire or wavy. Flowers on the upper 15 cm or less of the shoot, clusters well spaced, stalks up to 5 mm long. Calyx two-lipped, purplish, c 6 mm long, upper lip broad oval, lower with four triangular teeth. Corolla two-lipped, purple, woolly-hairy, tube up to 8 mm long, upper lip erect, lower horizontal, concave; stamens protruding.
* Where species names have changed, these have been matched according to herbarium specimens quoted in this publication.