Flora of North America species comparison

erect, green or gray-green, 1.5–4(–10) dm, white- to yellow-canescent.

erect, yellow, 5–12 dm, stellate-canescent.

blades gray to green, ovate, unlobed or weakly 3–5-lobed, 1–5.5 cm, not rugose, base cuneate to cordate, margins entire or crenate to serrate, surfaces stellate-pubescent.

blades yellow-green to pale green, trullate with straight or rounded appearance or triangular with subhastate lobes, apical lobes distinctly triangular, 2-lobed, 3–5 cm, not rugose, base tapered to truncate, margins entire or wavy, surfaces stellate-canescent.

paniculate, crowded, flowers clustered with distinct internodes between clusters, tip not leafy;

involucellar bractlets usually green to tan, sometimes red-purple.

paniculate, crowded, many-flowered, flowers clustered, tip not leafy;

involucellar bractlets green to tan.

sepals 6–9 mm, tip not forming distinct beak in bud;

petals red-orange, 8–14 mm;

anthers yellow.

sepals 4–7 mm;

petals red-orange, 10–12 mm;

anthers yellow.

1 per mericarp, gray or black, ± pubescent.

1 per mericarp, brown, glabrous or pubescent.

ellipsoid;

mericarps 12, 3.5–5.5 × 1.5–3 mm, chartaceous, nonreticulate dehiscent part 60–70% of height, with or without apical cusp, indehiscent part not wider than dehiscent part.

± hemispheric;

mericarps 12–17, 2.5–3 × 2–3 mm, chartaceous, nonreticulate dehiscent part 30–40% of height, tip rounded, indehiscent part wider than dehiscent part.

= 10, 20.

= 10.