Calyx tube 1–1.25 mm. long, campanulate; lobes 1–1.5 x 0.8–1.2 mm., ovate, acute, prominently carinate at the apex, with a short erect apiculus, 1-nerved.
Leaves 5–35 x 1.5–15 mm., oblong-elliptic or obovate-oblong, lanceolate to linear-lanceolate, acute or acuminate at the apex, cuneate at the base.
Flowers blue-violet to whitish, in axillary and terminal more or less 10-flowered fascicles; pedicels 1.5–2 mm. long, filiform.
Corolla tube 1.6–1.8 mm. long, cylindric, papillose; lobes 1–1.25 x 0.5–0.7 mm., obovate, subacute.
Ovary 1.7–2 x 0.75–1 mm., obovoid; style 0.6–0.9 mm. long; stigma of 2 filiform lobes, recurved.
Filaments c. 0.5 mm. long, filiform; anthers c. 0.25 mm. long, ellipsoid.
Seeds c. 0.3 mm. in diam., subglobose, minutely scrobiculate.
Stem not or sparsely branched, 4-angled, widely winged.
Capsule 1.8–2 x 1–1.25 mm., obovoid.
Erect annual herb, 2–10 cm. tall.
Flowers white or pale mauve.
Herb