Flora of North America species comparison

much branched, stellate-hairy, viscid.

di- or trichotomously branched, stellate-hairy, young stems often blackened by fungus.

not clustered;

stipules 2–5 stipitate glands, to 0.5 mm;

petiole 0.7–3(–5) cm, 3/8–5/8 leaf blade length, glands absent at apex;

blade ovate to oblong, 1.5–8 × 1–2(–5) cm, base rounded to subcordate, margins entire to minutely glandular-denticulate, apex abruptly acute to acuminate, both surfaces pale green, abaxial densely stellate-hairy, adaxial tomentose, glabrescent.

not clustered;

stipules rudimentary;

petiole 1–1.5 cm, 1/6–1/3 leaf blade length, glands absent at apex;

blade narrowly obovate, oblong, elliptic, or lanceolate, 3–10 × 1–5 cm, mostly less than 3.5 times as long as wide, base subacute to rounded, margins minutely denticulate, apex acute or acuminate, abaxial surface light green, densely ochraceous stellate-hispid when young, pale stellate-hairy when mature, adaxial surface darker green, glabrous.

bisexual or unisexual, racemes, 3–7 cm, staminate flowers 20–35, pistillate flowers 2–6.

unisexual, racemes;

staminate 7–20 cm, flowers 10–30;

pistillate 1–5 cm, flowers 8–20(–30).

staminate 3–4 mm, pistillate 1–2(–3) mm.

staminate 0–1 mm, pistillate 0–0.5 mm.

sepals 5, 3–4 mm, abaxial surface stellate-hairy;

petals 5, spatulate, 3–4 mm, abaxial surface glabrous except margins ciliate basally;

stamens 15–35.

sepals 5, 2.5 mm, abaxial surface stellate-hairy;

petals 5, oblong, 3 mm, abaxial surface glabrous except margins ciliate basally;

stamens 12–16.

sepals 5, equal, 4 mm, margins entire, sessile- or shortly stipitate-glandular, apex incurved, abaxial surface stellate-hairy;

petals 0 or 5, white, subulate, 1 mm;

ovary 3-locular;

styles 3, 3–5 mm, 4-fid, terminal segments 12.

sepals 5, equal, 1–1.5 mm, margins entire, apex straight to slightly incurved, abaxial surface stellate-hispid;

petals rudimentary;

ovary 3-locular;

styles 3, 4–5 mm, 2-fid, terminal segments 6.

4–5 × 4 mm, smooth;

columella apex with 3 rounded, inflated lobes.

5–6 × 4.5–5.5 mm, smooth;

columella apex with 3 rounded, inflated lobes.

3–4 × 2.5–3 mm, shiny.

4–5 × 3–3.5 mm, shiny (with silvery sheen).

= 20.

= 20.