Annuals 5-10 cm tall. Stems ascending to erect, subquadrangular. Leaves sessile, lanceolate to elliptic, 1-2.5 cm × to 6 mm, base obtuse, apex acute to obtuse, midvein distinct. Flowers terminal, solitary. Pedicel tinged purple, erect, 4-8 cm, subquadrangular. Calyx 5-6 mm; lobes slightly unequal, linear-lanceolate, apex acute to obtuse, midvein distinct. Corolla blue-purple, salverform, 1.8-2.8 cm; lobes oblong to obovate-oblong, 8-10 mm, scales 2, apex rounded. Nectaries 10. Stamens inserted just above middle of corolla tube; filaments 1.2-1.3 mm, base decurrent into wings of corolla tube; anthers yellow, ellipsoid, ca. 1.2 mm. Style indistinct; stigma lobes suborbicular. Capsules narrowly ellipsoid. Seeds brown, subglobose, 0.5-0.6 mm; seed coat smooth. Fl. and fr. Sep.
Home