Herb, 4—40 cm high. Stems from a woody underground rootstock, erect or decumbent, rarely procumbent, branched or unbranched, 4-ribbed, glabrous, glandular or eglandular. Leaves sessile, ascending; blade very variable in shape and size, upper and middle leaves usually narrowly ovate, narrowly elliptic or linear, basal leaves broader and shorter, 3-36 mm long, 0,5-6 mm wide, apex acute or obtuse, base clasping, venation not conÂspicuous, pellucid-glandular punctate. Flowers up to c. 50 in a loose dichasial cyme or solitary. Sepals ± equal, narrowly ovate, 5,5-7 mm long, 1,2-1,5 mm wide, long-acute, with transÂlucent longitudinal veins and gland dots. Petals 1-2 times as long as sepals, yellow or orange, sometimes marked with red, distinctly veined. Stamens 40-60, irregularly arranged; filaments 4—6 mm long; anthers c. 0,3 mm long. Ovary ovoid, 1,5-3,5 mm long, 1-1,5 mm wide, 1-locular; styles 3, free, 1,5-2 mm long; stigÂmas capitate. Fruit capsular, (2) 3-4-valve