Variable annual herb. Stems twining or prosÂtrate, pilose, 1-2 m long. Leaves cordate-lanceoÂlate to cordate-oblong, 20-90 x 5-55 mm, thinÂly strigose to subglabrous, apex acuminate, nerves densely pilose; margin entire, somewhat ciliate; petiole pilose, 10-80 mm long. Inflorescence axillary, subsessile or peduncle up to 15 mm, 3-many-flowered. Flowers usually subsessile; bracteoles pilose, 3-8 mm. Sepals subequal, ovate-lanceolate with linear-acumiÂnate, spreading tips, 7-8 mm long, pilose. Corolla tubular to funnel-shaped, white, pink or mauve, or white with mauve centre, 7-9 mm long; midpetaline areas pilose. Capsule subglo-bose, apiculate, hairy, 5-8 mm in diameter. Seeds glabrous, minutely punctate, 2.5-3.5 mm long, black. Flowering time March and April.