Flora of North America species comparison

stout, sometimes short-columnar, not sheathed with marcescent whole leaves.

initially ascending to erect, soon becoming prostrate, flagelliform, not branched, eventually rooting at some nodes, (0.3–)0.5–12 dm.

ascending, 0.5–2(–2.5) dm, lengths 1.5–3 times basal leaves.

± persistent, usually palmate, 2–9(–11) cm;

petiole 1–7(–8) cm, long hairs abundant to dense, appressed to spreading, 1.5–3 mm, mostly ± weak, glands absent or sparse;

leaflets (3–)5(–7), central mostly ± obovate to cuneate, sometimes narrowly so, (0.5–)1–4(–6) × (0.5–)0.8–2(–3) cm, distal 1/2 of margin incised 1/4–1/3 to midvein, teeth 2–7 per side, surfaces similar to ± dissimilar, abaxial green to silvery white, sparsely to densely hairy, adaxial green, sparsely to moderately hairy.

2–12(–15) cm;

petiole 1–9(–12) cm, long hairs ± abundant to dense, spreading to ascending, 1–2.5(–3) mm, soft to weak, smooth, crisped hairs absent or sparse, cottony hairs absent, glands sparse to common, sometimes obscured;

leaflets usually ± overlapping, central broadly obovate to suborbiculate, (0.5–)1.5–2.5(–3) × (0.5–)1.5–2.6(–3.2) cm, sessile to subsessile, base cuneate to rounded, margins revolute, distal 1/2–2/3(–3/4) incised 1/4–1/2 to midvein, teeth 3–6(–7) per side, ± approximate to ± distant, surfaces ± dissimilar, abaxial yellowish or grayish white, long hairs 1–2 mm, cottony-crisped hairs ± dense, adaxial grayish green, long hairs abundant to dense, crisped hairs absent, sparse, or obscured.

0–1 proximal to 1st flowering node, not fully expanded at anthesis, usually palmate, 2–7(–9) cm;

petiole (0.5–)1–6(–7.5) cm;

leaflets (3–)5, ± resembling those of basal leaves, apex rounded to obtuse.

(0–)1–2.

solitary flowers at stolon nodes.

(1–)2–7(–10)-flowered.

(1–)2–5(–9) cm.

0.5–3(–4) cm in flower, to 4 cm in fruit.

5-merous;

epicalyx bractlets linear to lanceolate-elliptic, (2–)3–5(–6) × 0.8–1.5 mm, slightly smaller than to ± equal to sepals;

hypanthium 2.5–5 mm diam.;

sepals (2–)3–5(–6) mm, apex acute;

petals 4–6(–8) × 3.5–6.5(–8) mm, apex rounded to slightly retuse;

stamens ca. 20, filaments 0.5–2 mm, anthers 0.4–1 mm;

carpels 20–40, styles 0.8–1.4 mm.

epicalyx bractlets ovate to oval-elliptic, 3–8 × 2–5 mm, 2/3 to as wide as sepals, margins strongly revolute, red glands absent;

hypanthium 5–7 mm diam.;

sepals 4–8 mm, apex ± acute;

petals (5–)7–15 × 7–16 mm, significantly longer than sepals;

filaments 1.8–2.1 mm, anthers 0.7–0.8 mm;

carpels 150–250, apical hairs usually absent, rarely present (cottony), styles narrowly conic to tapered, ± papillate-swollen on proximal 1/5–1/2, 0.9–1.1 mm.

1.2–1.4 mm, smooth.

0.9–1.3 mm.

erect, stout, 0.5–2 cm.

= 28.

= 14.