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Genus :

LOBELIA

Family :

CAMPANULACEAE

Description


Annual or perennial, decumbent or erect herbs. Leaves alternate, toothed. Flowers zygomorphic, axillary, often resupinate on twisted pedicel, peduncles axillary. Calyx 5-lobed. Corolla oblique, 2-lipped, upper lip 2-partite, lower 3-lobed, not divided to base. Stamens 5, free, anthers fused, at least shorter anthers with bristles at apex. Ovary inferior, 2-locules, placenta hemispheric, ovules numerous, stigma bifid. Fruit a capsule, dehiscing by 2 valves at apex, or a berry crowned with calyx lobes. Seeds numerous, minute, ellipsoid, compressed or trigonous.

Key to the species

Serial Key Reference
1a. Stems distinctly 3-angular, seeds ellipsoid, narrowed at both ends 2
1b. Stem faintly 3-angular, seeds subspherical L. terminalis
2a. Leaves glabrous, subsessile L. alsinoides
2b. Leaves pilose on the nerves beneath, petioled L. zeylanica