Source:
SSA
Description:
Soft, perennial herbs, usually decumbent or prostrate. Leaves petiolate, entire. Inflorescences dense, spike-like or subcapitate; verticils 4-6-flowered, closely placed; bracts differing from leaves, usually large, ovate to orbicular; flowers very shortly pedicellate. Calyx tubular-campanulate, subcompressed, 10-nerved, reticulate-veined, bilabiate; upper lip broad, shortly 3-toothed; lower lip narrower with 2 long, subulate teeth. Corolla tube shortly exserted from calyx; upper lip erect, somewhat hooded, entire; lower lip slightly shorter, deflexed, 3-lobed. Stamens 4, didynamous, ascending beneath upper lip, lower pair the longer; filaments with a subterminal tooth or claw; anthers 2-thecous. Style bifid, lobes subulate. Nutlets ovoid or oblong, keeled, smooth. x = 7 (aneuploids, polyploidy).
Distribution:
Species 5-7, in temperate regions of both hemispheres; 1 species: *Prunella vulgaris L. from Europe, naturalised in the midlands of KwaZulu-Natal, occurring in wet vleis or along moist forest margins.
Classification:
Add new comment