Flora of North America species comparison

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

much branched proximally, coarsely stellate-tomentose.

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.

not clustered;

stipules each 1 glandular papilla, 0.1 mm;

petiole 0.1–0.4(–0.6) cm, 1/10–1/5 blade length, glands absent at apex;

blade ovate to elliptic-ovate, 1–3(–4.5) × 0.5–1.5(–2) cm, base usually rounded to obtuse, rarely acute, margins entire, apex acute or rounded, abaxial surface pale green to pale yellow, stellate-tomentose, adaxial surface darker green, stellate-tomentose.

unisexual, racemes;

staminate 7–20 cm, flowers 10–30;

pistillate 1–5 cm, flowers 8–20(–30).

unisexual;

staminate racemes, 1–3.3 cm, flowers 1–8;

pistillate congested racemes, 0.1–0.3 cm, flowers 1–3.

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

staminate 1 mm, pistillate 0–0.5 mm.

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 (4–)5, 2 mm, abaxial surface stellate-hairy;

petals (4–)5, narrowly oblanceolate, 1.8–2 mm, abaxial surface nearly glabrous;

stamens 9–12.

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.

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

petals 0 or rudimentary;

ovary 3-locular;

styles 3, 1.5–2 mm, 2-fid to base, terminal segments 6.

5–6 × 4.5–5.5 mm, smooth;

columella apex with 3 rounded, inflated lobes.

4–5 × 5.5–6 mm, smooth;

columella apex with 3 rounded, inflated lobes.

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

3.6–4.7 × 2.8–3.4 mm, shiny.

= 20.