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Information Erect annual, 2.5–7 cm. tall, simple or branched towards base; stems quadrangular, glabrous to slightly minutely pubescent below, rigid. Leaves: basal where present, clustered, 4–7 x 1 mm., linear-spathulate narrowing into petiole-like base, minutely pubescent; cauline 1.5–5 x 0.8–1 mm., opposite, narrowly elliptic to almost linear, entire, obtuse, subglabrous. Flowers solitary, axillary, pedicellate. Pedicels up to 10 mm. long, slender, glabrous to minutely pubescent. Calyx (1.6)3–4 mm. long, glabrous to minutely pubescent, lobes 0.5–1.2 mm. long, deltate, acute or obtuse, glabrous on margin or minutely ciliate. Corolla various shades of blue and white, (once recorded as yellow), (3.5)5–7(8) mm. long, upper lip bifid, lower lip 3-lobed, lobes rounded. Stamens two, fertile, filaments up to c. 1 mm. long; staminodes two, 0.3–0.5 mm. long, clavate, erect or more frequently, slightly curved outwards, sparsely to densely clothed with minute clavate hairs which extend to palate between staminodes, short antero-lateral ridges barely evident Capsule 3.5–6 x 1.75 mm., elliptic-ovate in outline, acute.

Information Erect annual, 2.5–7 cm tall, simple or branched towards base; stems quadrangular, glabrous to slightly minutely pubescent below, rigid. Basal leaves clustered, linear-spatulate, 4–7(–12) mm long, 1 mm wide, narrowing into a petiole-like base, apex obtuse, margins entire, subglabrous or minutely pubescent; cauline leaves opposite, narrowly elliptic to almost linear, 1.5–5 mm long, 0.8­–1 mm wide, acute to subobtuse, margins entire, subglabrous, venation markedly prominent beneath. Flowers solitary, axillary; pedicels up to 10 mm long, slender, glabrous to minutely pubescent. Calyx (1.6–)3–4 mm long, glabrous to minutely glandular-pubescent, somewhat prominently ribbed; lobes deltate, 0.5–1.2 mm long, acute or obtuse, glabrous on margins or minutely ciliate. Corolla various shades of blue and white, (3.5–)5–7(–8) mm long; upper lip bifid; lower lip 3-lobed, lobes rounded; tube ± 3–4 mm long, externally glabrous. Stamens 2, fertile; filaments up to ± 1 mm long; staminodes 2, clavate, 0.3–0.5 mm long, erect or more frequently slightly curved outwards, sparsely to densely clothed with minute clavate hairs which extend to palate between staminodes, short antero-lateral ridges barely evident. Capsule elliptic-ovate in outline, 3.5–6 mm long, 1.5­–2 mm broad, acute.

Information a puny herb, social; root fibrous; stem slender, tetragonous, slightly scabrid below, glabrous above, 1–2 in. high; radical leaves several, linear-spathulate, obtuse, attenuate at the shortly petiolate base, about 1/4– 1/3 in. long, minutely puberulous below; stem-leaves opposite, narrowly spathulate, glabrous, entire or repand, 1/8– 1/6 in. long, 1/30– 1/25 in. broad; internodes 1/8– 1/5 in. long; peduncles 2 or 3 times as long as the stem-leaves; calyx narrowly turbinate, about 1/6– 1/5 in. long; teeth short, acute, pilose at the apex and margins with white hairs; about 1/25 in. long; corolla-tube about 1/4 in. long; upper lip very shortly bilobed, nearly 1/8 in. long; lower lip 3-lobed, 1/5 in. long; lobes obovate, about equally long, pilose at the base, 1/10 in. long and broad; upper stamens reaching the middle of the upper corolla-lip; staminodes minute, slightly curved; ovary oblong, acute, about 1/5 in. long; seeds narrowly oval, dusky-brown, marked with longitudinal and weak transverse furrows. null