Flora of North America species comparison

loosely branched distally, stellate-hairy.

densely branched, appressed-lepidote.

not clustered;

stipules absent;

petiole 0.3–2 cm, glands absent at apex;

blade narrowly ovate-oblong to linear-lanceolate, 1–5 × 0.5–2 cm, base truncate to rounded or subcordate, margins entire, apex rounded to acute, abaxial surface pale green, densely whitish appressed stellate-hairy, adaxial surface darker green, less hairy.

not clustered;

stipules absent;

petiole 1–4 cm, usually less than 1/2 blade length, glands absent at apex;

blade narrowly elliptic to linear-oblong, 2–8.5 × 0.6–1.5 cm, more than 2 times as long as wide, base obtuse, margins entire, apex obtuse to rounded, abaxial surface pale green, adaxial surface darker green, both densely pale stellate-lepidote.

unisexual;

staminate racemes or irregularly branched panicles, 2–8 cm, flowers 10–30;

pistillate racemes, 1–2 cm, flowers 1–6.

unisexual, racemes or thyrses;

staminate 1–3.5(–10) cm, flowers 3–8(–15);

pistillate 0.5–1 cm, flowers 1–6.

staminate 2–3 mm, pistillate 1–3 mm.

staminate 1–7 mm, pistillate 1–2 mm (4–7 mm in fruit).

sepals 5, 1–2 mm, abaxial surface densely whitish appressed stellate-hairy;

petals 0;

stamens 8–12.

sepals 5, 1 mm, abaxial surface stellate-hairy;

petals 0;

stamens 10–15.

sepals 5, equal, 1–1.5 mm, margins entire, apex incurved, abaxial surface densely stipitate-stellate-hairy;

petals 0;

ovary 3-locular;

styles 3, 1–2 mm, multifid, terminal segments 12–32+.

sepals 5, equal, 2 mm, margins entire, apex incurved, abaxial surface stellate-lepidote;

petals 0;

ovary 3-locular;

styles 3, 1.5–2.5 mm, 2–3 times 2-fid, terminal segments 12–24.

5–8 × 4–5.5 mm, verrucose;

columella 3-winged.

7–10 × 6–8 mm, smooth;

columella 3-winged.

3.5–4 × 2.5–3 mm, shiny.

6.5–7 × 2–3 mm, dull.

= 28.

= 28.