Oldenlandia pumila (L. fil.) DC.

Oldenlandia crystallina Roxb. Fl. Ind. 2: 443. 1824
Annual, 5-8 cm. high, diffusely branched, the branches stout, angulate, scaberulous, the internodes shorter than the leaves; stipules about 1 mm. long, bicuspidate; petioles stout, 1-3 mm. long; leaf blades elliptic or lance-elliptic, 6-17 mm. long, 2.5-6 mm. wide, acute or obtuse at the apex, acute or obtuse at the base, thin, dark-green above and sparsely scaberulous, paler beneath and scaberulous along the costa, the lateral veins obsolete, the margins scaberulous; flowers axillary, solitary, or rarely on 2-flowered peduncles, the pedicels slender, 5 mm. long or shorter; hypanthium 1 mm. long, glabrous, the calyx-lobes about as long, triangularlanceolate, acuminate, ciliolate, approximate and somewhat accrescent in fruit; corolla salverform, about equaling the calyx-lobes, white; capsule obovoid, 2.5 mm. long, shallowly bisulcate, angulate, glabrous; seeds minute, subangulate, blackish-brown.
Type locality: Bengal.
Distribution: Adventive in Jamaica; native of India and the East Indies.