VII. Subfam. Nepetoideae (Dumort.) Luerss. (1882).
VII. 3. Tribe Ocimeae Dumort. (1829).
VII. 3. E. Subtribe Plectranthinae Endlicher (1838).
DescriptionShrubs,?aromatic; leaves simple, opposite, falling before flowering, inflorescence thyrsoid with cymes sessile, bracteate, ebracteolate, 1-flowered; bracts soon deciduous, not coloured, inconspicuous; bracteoles absent; calyx ± actinomorphic, funnel-shaped, straight, calyx teeth 5, lobes ± equal in flower, lanceolate; throat open, glabrous; corolla strongly two-lipped, 5-lobed (4/1), purple, posterior lip 4-lobed with median lobes ascending, lateral lobes held between the median lobes and the anterior lip, anterior lip deflexed or horizontal, slightly concave or flat; tube basally geniculate and saccate, dilating slightly distally, glabrous within; stamens 4, held just beyond throat, attached near throat; stigma with short subulate or flattened lobes; disc 4-lobed with anterior lobe larger, nutlets oblong, trigonous, apically winged. One species, M. magenteum Hedge, endemic to Madagascar, in shade in dry woodland.
29 Western Indian Ocean
Madlabium Hedge in Hedge, Clement, Paton & Phillipson, Flore de Madagascar et des Comores 175: 260-263 (1998).
© Royal Botanic Gardens, Kew