Bacopa caroliniana

(Walter) B. L. Robinson

Rhodora 10: 66. 1908.

Common names: Blue water-hyssop lemon bacopa
Basionym: Obolaria caroliniana Walter Fl. Carol., 166. 1788
Synonyms: Hydrotrida caroliniana (Walter) Small
Treatment appears in FNA Volume 17. Treatment on page 261. Mentioned on page 260.

Perennials, aromatic. Stems prostrate, 15–30 cm, hairy. Leaves hairy; blade base broadly cuneate, margins entire, apex obtuse. Pedicels 5–15 mm; bracteoles present. Flowers: sepals 5, ovate, calyx bilaterally symmetric; corolla violet-blue with violet-blue throat, 10–13 mm, lobes 4; stamens 2–4, didynamous.

Phenology: Flowering Jun–Nov.
Habitat: Marshes, swamps, margins of streams, pastures.
Elevation: 0–300 m.


Ala., Fla., Ga., La., Md., Miss., N.C., S.C., Tex., Va.


Bacopa caroliniana is used in aquascaping in freshwater aquariums. The species can be propagated vegetatively through cuttings. The leaves of B. caroliniana are lemon scented when crushed.

Selected References


Lower Taxa

... more about "Bacopa caroliniana"
Adjoa Richardson Ahedor +
(Walter) B. L. Robinson +
Obolaria caroliniana +
Blue water-hyssop +  and lemon bacopa +
Ala. +, Fla. +, Ga. +, La. +, Md. +, Miss. +, N.C. +, S.C. +, Tex. +  and Va. +
0–300 m. +
Marshes, swamps, margins of streams, pastures. +
Flowering Jun–Nov. +
Weedy +  and Endemic +
Hydrotrida caroliniana +
Bacopa caroliniana +
species +