Flora of North America species comparison

erect or ascending, usually gray to gray-green or green, sometimes purple to black, (2–)4–7(–10) dm, sparsely to densely canescent or hirsute.

ascending, usually dark red-purple, 4–10 dm, glabrous or stellate-canescent.

blades green or gray to gray-green, lanceolate to triangular, shallowly to deeply 3-lobed, (1.5–)3–7 cm, not rugose, base truncate to cuneate, margins crenate to dentate, surfaces hirsute or sparsely to densely stellate soft-pubescent.

blades green, gray, or gray-green, ovate to cordate-ovate, 3- or 5-lobed, main lobe unlobed in 3-lobed leaves, cleft in 5-lobed leaves, lobes spatulate, 1.2–4 cm, not rugose, base truncate to cordate, margins entire, surfaces stellate-pubescent.

paniculate, narrow, usually crowded, tip leafy or not;

involucellar bractlets green to tan.

paniculate, open, 2–few-flowered per node, tip not leafy;

involucellar bractlets green.

sepals 4.5–6(–9) mm;

petals red-orange or lavender, 8–13 mm;

anthers yellow.

sepals 5–13 mm;

petals red-orange, 15–20(–25) mm;

anthers purple or yellow.

2 per mericarp, black, pubescent.

2 per mericarp, black, pubescent.

cylindric to conic;

mericarps 9–16, 4–5.5 × 2–2.5 mm, chartaceous, nonreticulate dehiscent part 70–80% of height, tip reflexed and cuspidate, indehiscent part not wider than dehiscent part, sides faintly, very finely reticulate, tips reflexed.

hemispheric;

mericarps 10–15, 4.5–5.5 × 3 mm, chartaceous, nonreticulate dehiscent part 40–50% of height, tip acutish, indehiscent part wider than dehiscent part, sides prominently reticulate.