Flora of North America species comparison

pendent or prostrate to ascending, (0.2–)0.5–1.6(–3) dm.

planar, 2–15(–20) cm; sheathing base usually not strigose abaxially;

petiole 3–10 cm;

lateral leaflets (2–)3–4(–5) per side, separate, broadly ovate or obovate to orbiculate, (2–)5–15(–18) mm, incised 1/4–3/4 to base into (3–)7–11 ± ovate teeth, apex not setose, surfaces ± sparsely short-pilose, ± glandular;

terminal leaflets ± distinct.

1–3;

blade well developed.

(1–)5–30(–150)-flowered, (0.5–)2–14 cm diam.

(1–)5–30(–150)-flowered, open, 0.5–14 cm diam.

5–30 mm.

hypanthium turbinate, ± 2 times as deep as wide;

petals white;

anthers 1–1.5 mm.

6–12 mm diam.;

epicalyx bractlets 0(–3), lanceolate, 0.9–1.8 mm;

hypanthium turbinate or campanulate, 1.5–3(–5) × 1–3(–4) mm;

sepals 2–4(–5) mm, acute;

petals yellow or white, oblanceolate to elliptic or obovate, (1.6–)2–4 mm;

stamens 5, filaments 0.8–1.3 mm, anthers ± yellow, oblong to narrowly ovate, 0.6–1.5 mm;

carpels (2–)6–10(–13), atop a stipelike torus, styles 0.9–1.8 mm.

greenish white to light tan, 1.2–2 mm, faintly rugose, ± carunculate.