Monechma

Herbs, undershrubs or shrubs. Leaves flat or rarely terete, entire, rarely with rudimentary teeth. Inflorescence axillary, reduced scorpioid cymes or flowers solitary; bracts and bracteoles usually small, rarely bracteoles 0. Calyx +/- regular, usually with stalked, glandular hairs; lobes 4 or 5; tube shorter than lobes. Corolla 2-lipped, hairy; upper lip entire, truncate or emarginate, rugula distinct; lower lip 3-lobed with middle lobe pinnately ribbed; aestivation ascending; tube broadly cylindric, shorter than lobes; limb irregular. Androecium: fertile stamens 2, arising in mouth of corolla tube, +/- included; filaments linear; anthers 2-thecous; thecae superposed, tailed or muticous; staminodes 0. Pollen prolate, 3-colporate, with pseudocolpi; surface reticulate. Disc deeply cupular, with V-shaped slit, with 2 awns. Gynoecium: ovary +/- ellipsoid, with 1(2) ovules in each locule; style terete, running in rugula, included; style branches 2, equal, very short, broader than long. Capsule subglobose, 2-seeded or 1-seeded by abortion, stipitate, with inelastic placental bases. Seeds compressed, orbicular; surface smooth, sometimes speckled. x = 11 (1 report).