Udo
Aralia cordata
Araliaceae
Other names
Japanese Spikenard
Growth habit
Herbaceous
Perennation
Long-lived polycarpic perennial
Native distribution
Japan, Ec & S China
Source of plant
Seneca Hill Perennials, Heronswood
Description
Unarmed herbaceous perennial to 2.7m. Leaves 2-3 times compound, the uppermost ones becoming trifoliate or simple; leaflets stalked, ovate, to 15x10cm, finely but unequally toothed, base cordate. Inflorescence terminal, paniculate, 1-2 times compound, to 45cm, main axis elongate; flowers white, in umbels racemosely arranged along or at the ends of the branches; pedicels 5-10mm. Fruit black, about 3mm diameter.
USDA Hardiness Zone
8