Fischer, E. (2006) Bacopa in Flora of Somalia 3: 276
Plants annual or perennial herbs, usually glabrous, rarely glandular pubescent or villous. Leaves opposite, sessile to subsessile, palmately veined, margins entire to dentate or crenate. Inflorescences terminal, racemose, leafy; bracteoles absent ot present below the calyces. Flowers sessile to pedicellate; calyces 5-lobed almost to the base, upper lobes largest, 2 lateral lobes usually smallest; corollas united, lower portion tubular or campanulate; corolla limbs subrotate, subequally 5-lobed; stamens 4, 2 long and 2 short, included, the lower pair usually longer than the upper pair; anthers with 2 parallel, contiguous thecae; ovaries superior, 2-celled, glabrous; styles straight, filiform; stigmas usually 2-lobed. Fruits capsules, usually loculicidal, rarely septicidal; seeds numerous, coarsely reticular, with longitudinal ridges.
Bacopa includes about 60 species and is pantropical in its distribution. One species is known from Somaliland, Bacopa monnieri.
Mill, R.R. (2015) Bacopa in Flora of Pakistan 220: 17-20
Plants glabrous, perennial herbs; more or less fleshy. Leaves opposite. Flowers solitary in the lef axils; calyces deeply 5-partite, lobes unequal in width, the posterior widest; corollas campanulat, subequally or unequally 5-lobed; stamens 4, equal; anthers with 2 equal, parallel, contiguous thecae; stigmas subentire. Capsules 4-valved, loculicidal and septicidal; seeds very small, numerous.
Bacopa includes about 100 species. It is tropical and subtropical in its distribution. Only one species is present in Pakistan, Bacopa monnieri.