Flora of North America species comparison

usually branched basally, (widely) branched distally, (1–)3–7(–10) dm.

branched distally, 3–9 dm.

(rosettes persistent);

petiole (broad) 2–10 cm;

blade lyrate to pinnatisect, 2–30 cm × 10–50(–100) mm, (margins serrate-dentate), 4–10 lobes each side.

(early deciduous);

petiole 1.5–6 cm;

blade lyrate-pinnatifid, 3–10(–15) cm × 10–65 mm, lobes 1–3 (or 4) each side.

sessile;

blade (reduced in size distally, distalmost bractlike), base tapered, not auriculate or amplexicaul.

shortly petiolate;

blade (often lanceolate, reduced in size distally), base tapered or cuneate, not auriculate, (apex acute).

not paniculately branched.

paniculately branched.

sepals 5–4.5 × 1–1.5 mm;

petals pale yellow, fading or, sometimes, white, oblanceolate, 4–7 × 1.5–2(–2.5) mm, claw 1–3 mm, apex rounded;

filaments 2.5–4 mm;

anthers 1–1.3 mm;

gynophore to 1 mm.

sepals 3–8 × 1–1.7 mm;

petals pale yellow, narrowly obovate, 7–15 × 3–4 mm, claw 2–3 mm, apex rounded;

filaments 3–6 mm;

anthers 1.5–2 mm;

gynophore 1–1.5 mm in fruit.

widely spreading, 8–15 mm.

spreading to divaricately ascending, (slender), (5–)10–15(–25) mm.

(shortly stipitate); widely spreading to ascending (not appressed to rachis), torulose, cylindric, 3–7 cm × 2–4(–5) mm;

valvular segment with 6–12(–15) seeds per locule, 2.2–5 cm, terminal segment 1(–3)-seeded, (cylindric, stout), 10–20 mm.

(stipitate), spreading to divaricately ascending, strongly torulose, linear, subcylindric, 1.5–3 cm × 1.5–2 mm;

valvular segment with 5–13 seeds per locule, 1.2–2.5 cm, terminal segment seedless or 1-seeded, (conic), 3–6 mm.

light reddish brown or black, 1–1.2 mm diam.;

seed coat prominently reticulate, mucilaginous when wetted.

brown or yellow, 0.6–1.2 mm diam.;

seed coat finely reticulate-alveolate, not mucilaginous when wetted.

= 20.

= 16.