Flora of North America species comparison

(often decumbent), branched basally, sometimes also distally, (2.6–)3–8(–9) dm.

branched distally, (1.5–)3–14(–23.5) dm, (glabrous throughout or sparsely to densely hirsute proximally).

petiole 1–4.5(–6) cm, ciliate;

blade often oblong or lanceolate, sometimes ovate to spatulate, 3.8–15(–18) cm × 15–35(–42) mm, margins usually entire, rarely repand.

(and proximal cauline): petiole (1–)1.7–8(–11) cm, pubescent or glabrous;

blade oblanceolate in outline (lateral lobes usually oblong to linear, rarely deltate), (4–)7.2–20.5(–30) cm × (6–)10–40(–100) mm, margins pinnately lobed or lyrate (lobes entire or dentate).

(ascending);

sessile;

blade usually lanceolate to oblong, rarely linear to linear-lanceolate, (1.3–)1.6–4.8(–6) cm × (3–)5–9(–15) mm, (base usually amplexicaul to sagittate, rarely auriculate), margins entire.

petiolate;

blade usually lanceolate to linear, sometimes oblanceolate to oblong, 1.5–7(–10) cm × 3–12(–20) mm, margins usually entire or repand, rarely lobed.

lax, elongated in fruit, (flower buds oblong-linear).

corymbose, somewhat lax, considerably elongated in fruit.

sepals erect, linear to linear-oblong, (6–)6.5–9(–10) × 1–1.5(–1.8) mm;

petals usually lavender, rarely white, linear, (8–)9.5–15(–16.5) × 0.3–0.5(–0.8) mm, margins crisped between blade and claw, claw differentiated from blade, [slender, 4–6.5(–8.5) mm, narrowest at base];

nectar glands confluent, subtending bases of stamens;

filaments slightly tetradynamous, median pairs (7–)8–12.5(–14) mm, lateral pair (5.5–)7–11(–12) mm;

anthers exserted, linear to narrowly oblong, 3.5–5(–6) mm, circinately coiled;

gynophore stout, 0.5–3.5(–5) mm.

sepals (equal), ascending, oblong, (2.5–)3–5(–5.5) × 1–1.7(–3) mm, (lateral pair not saccate);

petals usually white, rarely lavender, usually spatulate, rarely obovate, 5–7.5(–9.5) × 1.5–2.5(–3.5) mm, margins not crisped, claw obscurely differentiated from blade (widest at base);

nectar glands continuous, flat, subtending bases of stamens;

filaments tetradynamous, median pairs 3–4.5(–5.5) mm, lateral pair 2.5–3.5(–4.5) mm;

anthers included, oblong, (1–)1.5–2.2(–2.5) mm, not circinately coiled;

gynophore 0.5–0.8(–1.5) mm.

usually ascending to divaricate-ascending, rarely horizontal or divaricate, usually straight, rarely slightly incurved, stout, (3.5–)4–8 mm, not flattened at base.

often divaricate, sometimes reflexed, rarely horizontal or divaricate-ascending, straight, slender, (4–)5–13(–19) mm, somewhat flattened at base.

usually divaricate-ascending to ascending, rarely divaricate, slightly torulose, straight or slightly incurved, terete or slightly 4-angled, (2.2–)2.8–5(–6.3) cm × 1–1.5(–1.8) mm;

ovules 50–82 per ovary;

style cylindrical, 1–2(–2.5) mm.

divaricate to reflexed, submoniliform to strongly torulose, straight or curved, terete, (2–)3–6.6(–7.4) cm × 0.7–1(–1.5) mm, (replum constricted between seeds);

ovules 26–62 per ovary;

style usually clavate to subclavate, rarely cylindrical, (0.5–)0.8–2(–5) mm.

1–1.3(–1.5) × 0.7–0.8 mm.

(oblong), (1–)1.3–1.8(–2) × 0.5–1 mm.