Forest Poppy
Hylomecon japonica
Papaveraceae
Growth habit
Herbaceous
Perennation
Long-lived polycarpic perennial
Native distribution
Japan, Korea, E. China
Source of plant
Seneca Hill Perennials, Asiatica Nursery, Broken Arrow Nursery
Description
An herbaceous, pubescent to glabrous, perennial herb, to 30cm. Rhizome short. Leaves to 25cm, mostly basal, pinnate, lanceolate-oblong, leaflets in 2-3 pairs, to 7.5 x 3 cm, sessile to subsessile, lanceolate-oblong, serrate, upper-most pair smaller than basal pairs; petioles to 20cm; stem leaves 1-2, to 2cm, subsessile, opposite to alternate. Flowers to 5cm diameter, yellow-orange; peduncles to 10cm, solitary, erect; sepals to 1.5cm, 2, overlapping, ovate, acute; petals 4; stamens many, yellow. Fruit a 1-chambered, silique-like capsule to 8cm.
USDA Hardiness Zone
7