Flora of North America species comparison

erect to decumbent, to 30 cm.

solitary, erect, straight;

branches distal or along entire stem, distal or proximal longest, antrorse, straight; hairy.

petiole 10–65 mm;

blade hastate to ovate, usually basally lobed, sometimes unlobed, to 18 × 10 cm, base cuneate to truncate, margins serrate to crenate, apex acute.

blade 52–112 × (5.4–)8.3–25 mm, widest intersinus distance 1.4–4 mm;

proximal oblanceolate or elliptic, margins pinnatisect, lobes 8–20, slightly antrorse, 4.2–7.4(–10.7) mm;

distal oblanceolate, elliptic, or lanceolate, base not clasping, margins usually pinnatisect, sometimes pinnate, especially near apex, lobes 8–18, slightly antrorse, 3–10.8 mm;

abaxial surface with simple grappling-hook, complex grappling-hook, and needlelike trichomes, adaxial surface with needlelike trichomes.

margins usually entire, rarely pinnate.

(fruiting) 1–3 × 2 mm (often appearing absent because thick and continuous with capsule).

petals orange or yellow, 5–15 × 3–7 mm, apex cuspidate, hairy abaxially at apex;

stamens 20–30, 5 mm, filaments heteromorphic, 5 outermost narrowly spatulate, inner filiform;

style 5 mm.

petals golden yellow, 14–23.8(–26) × 3.8–7.4 mm, apex acute to rounded, glabrous abaxially;

stamens golden yellow, 5 outermost petaloid, filaments narrowly spatulate to elliptic, slightly clawed, 12–20.4 × 2.5–4.9 mm, usually without, rarely with, anthers, second whorl with anthers;

anthers straight after dehiscence, epidermis smooth;

styles 9.2–17.7 mm.

subcylindric to clavate, 9–30 × 3–3.5 mm, base tapering gradually, capsule and pedicel not well-differentiated.

cylindric, 12–20.2 × 4.5–8.1 mm, base tapering, not longitudinally ridged.

5–9 per capsule, pyriform to oblong, without transverse folds.

coat anticlinal cell walls sinuous, papillae 5–14 per cell.

= 20.

= 20.