Flora of New Zealand Series

Fls axillary, ± pilose to glab., solitary or occ. racemed. Calyx sub-campanulate, 5-angled, 5-lobed. Corolla with long tube terminating in 2-lipped limb; upper lip 2-lobed, erect to patent; lower 3-lobed, throat us. with 2 protuberances. Stamens 4, didynamous, anther-cells divergent, often confluent at apex. Style slender, stigma 2-lamellate. Capsule 2-valved, loculicidally dehiscent. Herbs with opp. simple, entire or toothed lvs. Some 120 spp. of America, Asia, Africa, Australia, Tasmania, N.Z. The N.Z. sp. also in Tasmania.