Heptapleurum arboricola Hayata, Icon. Pl. Formosan. 6: 23. 1916.

Shrubs, sometimes climbers, to 4 m tall, hermaphroditic. Petiole (6-)10-20 cm; petiolules (0.6-)1-3 cm; leaflets (5-)7-9(or 10), obovate-oblong to oblong or elliptic, 6-10(-12) × (1-)1.5-3.5(-4.5) cm, subleathery, both surfaces glabrous, secondary veins 4-6 pairs, tertiary veins distinct, base cuneate to broadly so, margin entire, apex obtuse or abruptly acute, rarely attenuate. Inflorescence a terminal panicle of umbels, sparsely stellate tomentose, glabrescent; primary axis to 3-8 cm; secondary axes to 10 cm; pedicels less than 1.5-3 mm. Calyx subentire. Ovary 5- or 6-carpellate; stigmas sessile, 5 or 6. Fruit subglobose, ca. 5 mm, 5- or 6-ribbed when dry; pedicels 3-6 mm. Fl. Jul-Oct, fr. Aug-Dec. 2n = 24*.

This species is used medicinally and as an ornamental.

● Along stream banks, wet forests, sometimes epiphytic; below 900 m. Hainan, Taiwan.