Rhizomes 1.5--5 cm, with oblong scales. Petiole 3.5--11 cm, usually longer than leaf blade; leaf blade ovate to ovate-oblong, (2.5--)3--7 X 2--3.5(--4) cm at anthesis, enlarging to 4.5--9 cm at fruiting, sparsely minutely dark glandular and short pubescent, base subrounded to cordulate, margin nearly entire to obscurely crenulate, apex obtuse to rounded. Scapes 1--3 per rosette, 10--20 cm, elongating to 35 cm in fruit. Calyx 7--12 mm, parted to base; lobes lanceolate, sparsely black glandular punctate. Corolla yellow, 1.5--2.5 cm, parted to middle; lobes linear, 2.5--4 mm wide, emarginate. Capsule 4--8 cm. Fl. May.
Home