Primula bhutanica H.R. Fletcher

Deciduous herb with conspicuous winter resting bud. Bud scales persistent at flowering, ovate-oblong, 2-4 x 0.5-lcm. Leaves at flowering spathulate or oblanceolate, 2-10 x 1-1.5cm, obtuse or subacute, base attenuate into winged petiole, deeply denticulate, sparsely farinose, especially beneath but disappearing with age; after flowering leaves larger, 6-15 (-20) x 1.5-5cm, with petiole 4-9cm. Peduncle l-8cm in flower, up to 18cm in fruit, farinose near apex, bearing an umbel of 3-8 flowers; pedicels 2-4cm; bracts linear-lanceolate, 8-10mm. Calyx campanulate, 8-10mm, farinose, teeth lanceolate, acute, entire. Corolla bluish with a white eye, tube 2 x length of calyx, limb 2-3cm diameter, lobes obovate, usually 3-dentate.