Zanthoxylum planispinum Rutaceae
Winged Prickly Ash zan-tho-ZI-lum plah-ni-SPEE-um
- Deciduous shrub to about 12 ft (4 m) tall, very aromatic, spiny prickles with a broad flattened base,about 2 cm long, often in pairs. Leaves alternate, odd-pinnate, 3-5(7) leaflets, winged stalk (rachis), leaflets oblong to lanceolate, finely toothed, apex acuminate, dark glossy green, 2-15 cm long, 1-3 cm wide, the terminal leaflet is largest. Flowers small, apetalous, yellowish, in small 3-4 cm axillary clusters (panicles) in spring. Fruit rounded, warty, red, 5 mm across, seeds glossy black.
- Hardy to USDA Zone 6 Native to Japan, Korea, and China.
- planispinum: with flat spines.
- Portland, Oregon: Hoyt Arboretum