Flora of North America species comparison

often single, usually scattered, erect, usually unbranched, solid or somewhat hollow in age, proximally densely, finely stellate-hairy, hairs spreading, distally glaucous, glabrous.

clustered, erect, solid, bristly-hirsute, hairs simple, forked, and stellate.

cauline, mostly on abaxially, bristly-hirsute adaxially.

cauline, evenly arrayed on stem, similar in size and shape;

stipules linear-lanceolate, 5–15 × 0.5 mm;

petioles 4–7 cm on distal leaves, 1/2 times to as long as blades, longer on proximal leaves;

blade maplelike, usually palmately (3–)5–7- 7–15 mm, pistillate 6–7 mm, bisexual or staminate 10–12 mm;

staminal column 5–7 mm, hairy;

anthers white to pale purplish or pale yellowish;

stigmas 5–9.

erect, open, calyces not conspicuously overlapping except sometimes in bud, usually unbranched, loosely 10+-flowered, flowers 1+ cm apart, elongate, sometimes 1-sided, 30–40(–45) cm;

bracts inconspicuous, lanceolate to linear, distal unlobed, 2–4 mm, proximal divided ± to base, 4–6 mm, usually equaling or shorter than pedicels.

2–5 mm;

involucellar bractlets absent.

usually bisexual, sometimes pistillate, plants gynodioecious;

calyx 10–15 mm, uniformly, densely stellate-puberulent;

petals: bisexual pale pink, often drying yellowish, pale-veined or not, base pale pink to white, (15–)20–35 mm, pistillate usually darker purple, base white, 5(–10) mm;

staminal column 6–8 mm, hairy;

anthers white;

stigmas (6 or)7 or 8.

2–2.5 mm.

1–1.5 mm.

6–8 mm diam.;

mericarps (6 or)7 or 8, 3–3.5 mm, usually glabrous or very sparsely glandular-puberulent, distinctly narrowly wing-margined dorsally, sides lightly reticulate-veined, pitted, back less so, mucro 0.3–0.5 mm.

5–6 mm diam.;

mericarps 5–9, 2.5 mm, glabrous or sparsely stellate-hairy, margins rounded, back ridged, sides smooth or with slight corrugations near margins, not pitted, mucro absent.

= 20.

= 20.