Erect or decumbent herb, rooting at the base, stem terete at the base, 30-60 cm. Leaves spirally arranged, elliptic-lanceolate, acute, sometimes shortly acuminate, base acute to rounded, decurrent along the stem, 2.5-10 by 1-3.5 cm, both surfaces glabrous, no glands; upper side very dark brown when dry, midrib and nerves depressed, veins more or less prominent; underside glaucous, midrib, nerves, and veins prominent, nerves ascending, passing into a marginal vein; margin entire or undulate-crenate; lower leaves scale-like reduced; petiole 0.5-1.5 cm. Flowers axillary, solitary, confined to the upper part of the plant. Pedicels as long as the sustaining leaves, drooping or ± recurved during anthesis, in fruit obliquely erect. Calyx lobes ovate, acuminate, 3-7 mm, the margins sometimes with stalked glands. Corolla yellow, deeply cleft, 10-15 mm long, lobes elliptic-oblong, acute at the apex. Stamens only adnate at the base, whether or not free from each other, 4-8 mm; anthers oblong, basifixed, 3-5 mm long, the cells opening with an apical pore. Style-tip as high as the anthers. Capsule 5-valved to the base, but often irregularly bursting.
Home
