Flora of North America species comparison

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

erect, green or purple, (2–)6–10 dm, white-canescent or glabrate.

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 green to gray-green or yellow-green, broadly triangular, 3-lobed or pedately divided, tips rounded or acute, 1.7–3.5(–9) cm, not rugose, base cordate to truncate, margins dentate or 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, crowded, flowers solitary or 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 5–8 mm;

petals red-orange, 8–15 mm;

anthers yellow.

1 per mericarp, gray or black, ± pubescent.

1(or 2) per mericarp, gray or black, 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.

truncate-conic to spheric;

mericarps 10–12, 2.5–3.5 × 2–2.5 mm, chartaceous, reticulate dehiscent part 60% of height, tip rounded-acute, indehiscent part not wider than dehiscent part.

= 10, 20.

= 20.