Source:
SSA
Description:
Annual, sparingly branched herbs; stems erect or decumbent, quadrangular. Leaves sessile, obscurely crenate. Inflorescences terminal or in axils of leaves of upper half of stem, short with verticils densely crowded; bracts persistent. Calyx tubular-campanulate, slightly ventricose when mature, equally 5-toothed; teeth lanceolate, acute. Corolla bilabiate; tube straight; upper lip erect, 4-lobed; lower lip concave, spreading. Stamens 4, didynamous, declinate, not exceeding lower corolla lip; filaments fused in pairs towards base, arising in throat. Nutlets small, glabrous.
Distribution:
Monotypic: Neohyptispaniculata (Baker) J.K.Morton is known from Angola and Zambia to west tropical Africa; only in N Botswana in sthn Afr.
Classification:
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