III. Subfam. Ajugoideae Kostel. (1834).
Subfam. Teucrioideae (Dumort.) Caruel (1884).
DescriptionPerennial herbs and subshrubs; leaves alternate, subopposite or subverticillate, petiolate or sessile, simple; inflorescence racemose, terminal and axillary; calyx actinomorphic to 1-lipped, accrescent, 5-lobed; corolla white, 1-lipped with only anterior lip present, but facing upward due to resupination, 5-lobed with median lobe largest, tube deeply cleft between posterior (lower) lobes; stamens 4, didynamous to subequal, slightly exserted from corolla-tube, filaments straight or arched (probably varying with stage of anthesis), thecae parallel, separate at dehiscence; pollen operculate, psilate except for scattered, supratectal granules; ovary unlobed; stigma-lobes very short, equal to subequal or essentially absent; disc absent; fruit drupaceous with four 1-seeded pyrenes; endosperm absent. Two species, Brazil.
Monochilus Fisch. & C.A. Mey., Index Sem. Hort. Petrop. 1: 34 (1835).
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