Annual, white parasitic ?perennial, drying black; stems simple, erect, 8–20 cm high, sparsely glandular-pubescent. Leaves (bracts) fleshy, brittle when fresh, opposite, broadly ovate, 2–23 long, 15–16 mm wide, base cuneate, apex subacute, minutely glandular-pubescent. Flowers white, in racemes, solitary in the axils of leafy bracts; bracteoles 1 or 2 or absent, attached halfway on the pedicel, oblanceolate to linear-lanceolate; pedicels thick and fleshy, 7–10 mm long, glandular-pubescent. Calyx tubular to campanulate, 18–23(–25) mm, obscurely 5-angled, unequally 5-lobed; lobes triangular, ± 5 mm, acute. Corolla white with yellow throat, 40–45 mm long (incl. lobes); tube narrow below, expanding above, 30–­33 mm, densely glandular-pubescent ouside and inside; lobes rounded, 7–11 mm, reflexed. Filaments white, 10–12.5 mm, attached where corolla tube becomes narrow, glandular. Ovary globose, ± 5 long, ± 4.5 mm wide; style longer than the corolla tube, bent downwards at the apex; stigma clavate. Capsule subrotund, ± 10 mm long, ± 9 mm in diameter, glabrous. Seeds oblong, ± 5 mm, reticulate.