Flora of New Zealand Series

Panax arboreum Murr. Syst. Veg. ed. 13, 1774, 920.

P. arboreum Forst. f. Prodr. 1786, 75.

Nothopanax arboreum (Forst. f.) Seem. in J. Bot., Lond. 4, 1866, 296.

Tree, us. dioec., up to 8 m. tall, glab. in all parts; branches stout, spreading. Lvs 5-7-foliolate, petioles c. 15-20 cm. long, stipulately sheathing at base. Lflts on petiolules c. 3-5 cm. long, obovate-oblong to oblong-cuneate, rather thinly coriac., coarsely serrate-dentate, acute or acuminate to obtuse; midveins and main laterals evident above and below; terminal lamina 10-20 × 4-7 cm. Umbels terminal, compound; fls us. completely unisexual; primary rays 8-20, up to 10 cm. long; secondary rays 15-20; umbellules 10-15-fld. Calyx truncate or obscurely 5-toothed; petals 5, ovate to triangular, acute; ovary 2-loculed, 2-ovuled, style-branches 2, spreading. Fr. 5-8 mm. diam., almost black, somewhat compressed.

DIST.: N., S. Lowland forests throughout.

FL. 6-8. FT. 8-2.