Flora of North America species comparison

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

ascending, (2–)4–7(–9) dm, densely gray- or white-tomentose.

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 gray or white, broadly ovate-deltate, 3-lobed or 3- or 5-parted, (1–)1.5–5 cm, not rugose, base typically distinctly truncate (to cordate), margins crenate, surfaces stellate-pubescent.

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

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

paniculate, open, few-flowered, individual flowers widely spaced, tip not leafy;

involucellar bractlets red to purple.

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

petals red-orange, 8–14 mm;

anthers yellow.

sepals 7–11 mm;

petals red-orange, 12–18 mm;

anthers usually purple.

1 per mericarp, gray or black, ± pubescent.

2 or 3 per mericarp, gray, 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.

truncate-ovoid;

mericarps 11–16, 4–6 × 2–3 mm, thin-walled, papery, nonreticulate dehiscent part 55–65% of height, tip acute-cuspidate, cusp 1 mm, indehiscent part not wider than dehiscent part, sides prominently, finely reticulate with ± transparent areolae.

= 10, 20.

= 10, 20.