Leaves: Basal leaves few, trifid with acute narrow lobes, glabrous or slightly puberulent. Upper cauline leaves reduced.
الأزهار
Inflorescence & flowers: Racemes lax, flowers strongly zygomorphic due to the spur. Spur of calyx and corolla inflated into a pouch-like extension, c. 2 cm, ending in a membranous, ovate, hyaline apex enveloping the circinate spur of the petal. Sepals pale pink, glabrous or slightly pubescent, spur more velvety. Petals whitish-yellow; upper lobe longer or equal to intermediates, the lateral lobes ovate, obtuse, separated by a narrow sinus. Petal spur circinate.
الثمار والبذور
Fruit: Follicle semi-obovoid, 6–9 × 2–3 mm, rounded or slightly gibbous at apex, abruptly rostrate.
Life-form & habit: Annual to biennial, 20–60 cm, pubescent or glabrescent, stems branched from the base into bifurcating branchlets, sometimes erect with rigid lateral shoots.