Flora of North America species comparison

petioles 2–6 cm;

blades ± deltate to pentagonal, 7–33 × 7–22 cm, sometimes 3- or 5-lobed, abaxial faces glabrous to hispid-pilose.

petioles 0–3.3 cm;

blades deltate, 7–28 × 5.5–21.5 cm, abaxial faces sparsely hirsute (hairs larger on veins).

7–24 cm.

17–36 cm.

7–14;

corollas yellow, laminae linear, 48–69 × 9–16 mm.

7–10;

corollas yellow, laminae oblong, 9–15 × 4–6 mm.

80–120+.

40–60.

16–28 in (3–)4 series, oblong to ovate;

outer 6–10 × 4–7 mm, apices rounded to acute, abaxial faces usually glabrous;

inner 10–20 × 3–10 mm, apices rounded to acute, abaxial faces glabrous.

13–16 in 3 series, linear to spatulate;

outer 8–15 × 2.5–4.5 mm, apices acute, abaxial faces puberulent;

inner 12–15.5 × 3.5–7 mm, apices acute, abaxial faces glabrous.

4–6 mm.

6–9 mm.

10–13 × 2–3 mm, mucros 1.5–2.5 mm.

11–16.5 × 2–4 mm, mucros 3 mm.

= 34.

= 34.