Flora of North America species comparison

usually well branched distally, lepidote.

well-branched from base, stellate-lepidote.

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 0.2–0.8(–2) cm, usually less than 1/2 blade length, glands absent at apex;

blade narrowly elliptic-ovate to lanceolate, 1–6.5 × 0.6–2.2 cm, usually less than 1/2 as wide as long, base rounded, margins entire, apex acute to rounded, abaxial surface pale green, densely silvery lepidote or stellate-lepidote, adaxial surface darker green, less densely lepidote.

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

unisexual, racemes;

staminate 2–8 cm, flowers 4–16;

pistillate 0.5–1 cm, flowers 2–5.

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

staminate 1–4 mm, pistillate 2–5 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, 1 mm, abaxial surface lepidote;

petals 0;

stamens 10–12.

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, 1.5–2 mm, margins entire, apex straight to slightly incurved, abaxial surface stellate-lepidote;

petals 0;

ovary 3-locular;

styles 3, 0.5–1.5 mm, 2–3 times 2-fid, terminal segments 12–24.

1.6–2.5 × 2–3 mm, smooth;

columella 3-angled.

5–6 mm diam., smooth;

columella 3-winged.

6.7–8 × 5.2–6 mm, shiny.

3.5–5 × 3–4 mm, shiny or dull.

= 28, 56.