Deciduous shrubs or small trees (many species herbaceous), sometimes with cortical prickles. Twigs often thick, rounded; pith large, continuous. Leaf-scars alternate, crescent-shaped, half-encircling the twigs; bundle-traces about 15, in a single series; stipule-scars none.
Fig. 228. Aralia spinosa.
Fig. 229. Aralia hispida.
Tree or shrub, stem thick, prickly
Subshrub, stem moderate, bristly
A. hispid a
1. A. spinosa L. Hercules' Club. A shrub or tree, up to 10 m. high, with very prickly stems; branches gray or straw-colored, glabrous; umbels numerous, in compound panicles, persistent into winter. Rich woods, Florida to Texas, north to New Jersey, New York, Illinois and Iowa; escaped from cultivation farther north (Fig. 228).
2. A. hispida Vent. Bristly Sarsaparilla. Stem 2-9 dm. high, bristly, scarcely woody. Rocky woods and clearings, Newfoundland to Manitoba, south in the mountains to North Carolina (Fig. 229).