Impatiens L.
Lateral petals (wings) united and corolla apparently 3-petalled. Fr. an oblong to linear, succulent capsule opening explosively.
Key
2
Fls in diffuse cymes towards ends of lateral branches; corolla always single; capsule glabrous
c. 500 spp., mainly tropical and subtropical, a few N. temperate. Naturalised spp. 3.