Annual herbs up to 135 cm high, usually reaching 60-70 cm, weak or robust, erect and simple or sparsely branched, or with several decumbent stems; whole plant densely to thinly pilose or almost glabrous. Leaves up to 13 cm long, 3.5-12 mm broad, linear-lanceolate to narrowly oblong or broadly oblanceolate, entire or with few to several irregular lobes, or leaves short, broad, cun-eate with broad lobes; hairy or both or only on the lower surface or subglabrous. Racemes lax, elongate. Pedicels 0.6-1.2 cm long in flower; 0.8-1.7 cm long in fruit, mostly erect, sometimes spreading, rarely reflexed; densely hairy to glabrous; Sepals 4.8-6.5 mm long, oblong, hairy or glabrous; outer 2 cucullate, thickened or very shortly horn-tipped at the apex; inner 2 saccate. Petals 6.5-11 mm long, 3-7 mm broad, narrowly obovate to circular-obovate, each petal with 1(or rarely with 2) appendage. Filaments 3-4.3 mm and 3.5-5 mm long; the 2 short ones always with an appendage, rarely the 4 long ones also with appendages. Anthers 1.5-3 mm long. Ovary thinly pilose or glabrous; stigma large, capitate; ovules (10-)32-52. Fruits 3-10 cm long; 1.6-2.5 mm broad, linear, subterete or compressed, with straight margins; valves 3-or obscurely 5-nerved, glabrous or hairy; style 2-6(-17) mm long, stoutly subulate, clavate, conical or bulbous, glabrous or sometimes with stiff, coarse hairs. Seeds 1.7-2.3 x 1.2-2 mm, subcircular or broadly oblong.
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Nearly glabrous or hairy annual, up to 1.35 m tall. Leaves exstipulate, ± lanceolate, up to 130 x 3.5-12 mm, entire or with few to several lobes. Flowers blue or mauve, sepals hairy or glabrous, petals with basal appendages, ovules 20-52. Fruit linear, 13-100 x 1.6-2.5 mm, margins straight.
Glabrescent or hairy annual to 1.35 m. Leaves exstipulate, lanceolate, sometimes toothed. Flowers blue or mauve, petals with basal appendages, ovules 20-52. Fruits linear, 13-100 mm long.
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