Flora of North America species comparison

erect, becoming decumbent, to 60 cm.

solitary (or multiple as wound response), erect, straight;

branches distal, distal longest, antrorse, straight; hairy.

petiole to 25 mm;

blade usually hastate or ovate, distal sometimes elliptic, basally lobed or unlobed, to 8.4 × 5.5 cm, base usually truncate, sometimes obtusely cuneate, margins usually serrate or dentate to crenate, sometimes entire, apex acute.

blade 37–120 × 5–24.4 mm, widest intersinus distance 4.8–19.6 mm;

proximal oblanceolate to elliptic, margins serrate, teeth 14–30, slightly antrorse, 0.6–4.9 mm;

distal elliptic to lanceolate, base not clasping, margins serrate, teeth 12–30, slightly antrorse, 0.7–4.7 mm;

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

margins pinnate.

(fruiting) 0.6–4 × less than 1 mm.

petals creamy yellow to orange, 6.5–13 × 3.5–7 mm, apex cuspidate, hairy on apex;

stamens 20–35, 6–11 mm, filaments heteromorphic, 5 outermost narrowly spatulate, inner filiform;

style 8–10 mm.

petals white, 22.6–49 × 3.6–10.3 mm, apex acute, glabrous abaxially, stamens white, 5 outermost petaloid, filaments narrowly spatulate, slightly clawed, 20–47 × 3–10.2 mm, without anthers, second whorl without anthers;

anthers straight after dehiscence, epidermis smooth;

styles 11.5–18.5 mm.

usually lingulate to funnelform, rarely ovoid, 10–18 × 4–5.8 mm, base rounded or cuneate, capsule and pedicel well-differentiated.

cylindric, 14.5–29 × 6.9–12.3 mm, base tapering or rounded, not longitudinally ridged.

(4–)6–8 per capsule, pyriform, without transverse folds.

coat anticlinal cell walls wavy, papillae 4–8 per cell.

= 20.

= 20.