Flora of North America species comparison

usually well branched distally, lepidote.

much branched distally, stellate-hairy.

clustered at branch tips;

stipules absent;

petiole 0.6–2 cm, glands absent at apex;

blade elliptic, ovate, or oblong, 3–10 × 1.5–5 cm, base rounded to obtuse, margins entire, sometimes ± undulate, apex acute, rounded, or emarginate, abaxial surface silvery or coppery, densely lepidote, adaxial surface green, sparsely lepidote.

not clustered;

stipules rudimentary or absent;

petiole 0.4–1(–1.5) cm, 1/8–1/5 blade length, glands absent at apex;

blade ovate to ovate-lanceolate, 2–8 × 2–4 cm, base truncate to cordate, margins serrulate, often slightly undulate, apex attenuate, acute, abaxial surface pale green, stellate-hairy, adaxial surface darker green, puberulent.

bisexual or unisexual, racemes, 2–4.5 cm, staminate flowers 0–15, pistillate flowers 0–10.

bisexual, racemes, 3–12 cm, staminate flowers 10–20, pistillate flowers 2–5.

staminate 2.2–4 mm, pistillate 2.2–7.5 mm (7–11 mm in fruit).

staminate 2.5–4 mm, pistillate 0–0.5 mm.

sepals 5, 1.1–2.9 mm, abaxial surface lepidote;

petals 5, oblong-ovate, 2–3.1 mm, abaxial surface glabrous except margins stellate-ciliate;

stamens 10–22.

sepals 5, 0.8–1.2 mm, abaxial surface stellate-tomentose;

petals 5, oblanceolate to spatulate, 2 mm, abaxial surface glabrous except margins densely fimbrillate-villous;

stamens 9–16.

sepals 5, equal, 2–4.5 mm, margins entire, apex incurved, abaxial surface lepidote;

petals 5, pale green, ovate, 2–3.5 mm;

ovary 3-locular;

styles 3, 2–5 mm, usually unbranched, rarely 2-fid, terminal segments 3 (or 6).

sepals 5, equal, 2.2 mm, margins entire, apex incurved, abaxial surface stellate-hairy;

petals 0;

ovary 3-locular;

styles 3, 3–4.5 mm, 2-fid to base, terminal segments 6.

1.6–2.5 × 2–3 mm, smooth;

columella 3-angled.

5–6 mm diam., smooth;

columella apex with 3 rounded, inflated lobes.

6.7–8 × 5.2–6 mm, shiny.

4–5 × 3.2–3.8 mm, shiny.