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Family :


Division :



Annual or perennial herbs, rarely shrubs. Roots and rhizomes often thickened and tuberous. Stems erect, decumbent, trailing or climbing. Leaves simple, alternate or opposite, exstipulate, entire, serrulate or lobed. Flowers hermaphrodite, actinomorphic, solitary or in racemes or panicles, bracts small, bracteole absent. Calyx persistent, tube adnate to ovary, lobes 5, valvate, sepals linear to triangular or lanceolate segments. Corolla campanulate or campanulate-infundibular, lobes 4-5, valvate. Stamens 5, epigynous, alternating with corolla lobes, anthers 2-celled, linear. Ovary inferior, 3-5 locular, axile, ovules numerous, style thick with 3 or 2 stigmas. Fruit a capsule or berry, dehiscing by pores or by valves. Seeds numerous.

Key to the Genus

Serial Key Reference
1a. Corolla 2-lipped, cleft dorsally to the base; anthers connate Lobelia
1b. Corolla regular; anthers free or imperfectly connate 2
2a. Fruits an indehiscent berry; stigma lobed Cyclocodon
2b. Fruits opening by pores or valves 3
3a. Root tuberous; leaves sessile 4
3b. Root not tuberous; leaves petiolate Codonopsis
4a. Capsules dehiscent within the calyx-teeth Wahlenbergia
4b. Capsules laterally dehiscent at base or rides below the calyx teeth, corolla campanulate Campanula