Description
Key Characters:
Growth Form:
Erect shrubs 1.5–3 m tall.
Stems:
Branches pubescent with erect and ± appressed hairs.
Roots:
Leaves:
Leaves simple.
Alternate.
Blades elliptic, elliptic–ovate, or ovate, 7–15 cm long, 3–5.5 cm wide.
Apex long-acuminate or acute.
Base cuneate to rounded.
Upper surfaces sparsely silky pubescent, the hairs somewhat spreading or appressed, 0.2–0.4 mm long; lower surfaces with primarily appressed hairs; grayish to greenish on lower surface, thin, with disciform cystoliths.
Margins entire.
Palmately 3-veined from base.
Petioles 0.8–3 cm long, pubescent with appressed and spreading hairs.
Stipules small, intrapetiolar.
Flowers:
Flowers in axillary clusters, staminate flowers on pedicels 0–1 mm long; pistillate flowers sessile.
Flowers unisexual (and the plants dioecious), actinomorphic.
Calyx of staminate flowers silky pubescent, the hairs ascending, lobes 4, boat-shaped, the lobes 2–3.5 mm long, coherent in bud, separating at anthesis, pilose; pistillate Calyx conspicuously angled, silky pubescent, the hairs ascending to erect, also with some short, erect, uncinate hairs, apex 4-toothed, the teeth acuminate to long–acuminate.
Corolla (petals) absent.
Stamens 4 in staminate flowers, staminal filaments folded elastically in bud, reflexed when pollen is shed, strap–shaped, 2–5 mm long; anthers reniform, dithecal, opening by longitudinal slits.
Pollen white.
Ovary superior (pistillate flowers), pseudomonomerous, 1-celled; ovule 1, basal; style 1; stigma 2–8 mm long, lacking receptive hairs on 1 surface. Staminate flower ovary vestigial and sterile.
Fruit:
Achenes 1.5–2 mm long; angled; surrounded by the conspicuously angled and ridged; fleshy calyx; apical portion conical; not separated from basal portion by a constriction.
Seeds 1 per achene; ovoid.
Ploidy:
Habitat:
Diverse mesic forest.
Elevation Range:
450–825 m.