Your help is appreciated. We depend on donations to help keep this site free and up to date for you. Can you please help us?


Native Plant Trust: Go Botany Discover thousands of New England plants


See list of 4 species in this genus

Reference: Hardin (1990).

  • 1a. Leaf blades 7–20 cm long, sometimes pubescent abaxially, especially when young, with stellate hairs; flowers with staminodes
    • 2a. Petioles less than 50% as long as the blade, glabrous; mature branchlets glabrous; fruit pericarp ± smooth; branches ascending to spreading
    • 2b. Petioles more than 50% as long as the blade, pubescent; mature branchlets usually at least sparsely pubescent; fruit pericarp verrucose and 5-grooved; branches pendulous
  • 1b. Leaf blades 3–9 (–12) cm long, pubescent with simple hairs only; flowers without staminodes
    • 3a. Fruit 8–10 mm long, with a woody pericarp that is conspicuously 5-ribbed; cymes pendent, with 2–5 flowers [Fig. 723]; leaf blades frequently pubescent on the abaxial surface
    • 3b. Fruit 4.5–6.6 mm long, with a membranaceous pericarp that is weakly, if at all, ribbed; cymes obliquely erect, with 4–15 flowers [Fig. 722]; leaf blades glabrous on the abaxial surface except for some tufts of red-brown hairs in the axils of the primary veins

Show All Couplets

 Show photos of:   Each photo represents one species in this genus.