An erect or ascending herb, annual, glabrous or slightly puberulous, 76-305 mm [as '3-12 in.'] high, nearly simple or sparingly branched from the base; stem and branches slender; radical leaves rosulate, oblanceolate or obovate, runcinate-pinnatifid or sinuate-dentate, obtuse at the apex, tapering towards the base, membranous, together with the petiole 0.75-0.5 in. long, 0.167-0.34 in. broad; lobes or teeth obtuse; upper leaves few, alternate, distant, the uppermost smallest; peduncles axillary and quasi-terminal, elongated, slender, 1-flowered, 0.5-3 in. long, together forming terminal somewhat leafy terminal quasi-racemes, the upper in pairs or subumbellate; calyx-segments subulate-acuminate from a broad cordate-dilated overlapping base, 0.1-0.2 in. long, shortly ciliate on the margin; corolla 0.34-0.5 in. broad, copper-coloured, with two small pouches; filaments all subulate; anthers 4, glabrous; capsule ovoid, 0.2-0.25 in. long.
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Annual, up to 360 mm tall. Leaves ovate to elliptic, entire to irregularly lobed or divided. Flowers with broadly ovate-caudate calyx lobes, corolla greyish orange with yellow centre, limb 9.5-14.5 mm long, stamens villous with translucent to whitish clavate trichomes. Capsule broadly ovoid, 4.5-6.5 mm long.