Flora of North America species comparison

solitary, erect, straight;

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

blade 72–295 × 14–45 mm, widest intersinus distance 10.1–23.3 mm;

proximal oblanceolate or elliptic, margins serrate to pinnate, teeth or lobes 16–26, slightly antrorse, 1–16.5 mm;

distal elliptic to lanceolate, base clasping or not, margins serrate to pinnate, teeth or lobes 9–20, slightly antrorse, 5.3–13.7 mm;

surfaces with needlelike trichomes.

not persisting.

petiole present or absent (proximal leaves), absent (distal leaves);

blade ovate to linear (proximal leaves), ovate to lanceolate (distal leaves), to 6 cm, margins entire.

margins pinnate.

green, elliptic to oblanceolate, 3.3–6.2 × 1.5–3.2 mm, width 1/4–7/8 length, not concealing capsule, margins entire.

petals white, 47–75 × 13–22.7 mm, apex acute to attenuate, glabrous abaxially;

stamens white to yellow, 5 outermost petaloid, filaments spatulate, strongly clawed, 48–75 × 12–23 mm, without anthers, second whorl with anthers;

anthers straight after dehiscence, epidermis smooth;

styles 36–53 mm.

sepals 1–3 mm;

petals yellow, 2–4 mm, apex retuse to rounded;

stamens 10–30, 2–3.5 mm, filaments monomorphic, filiform, unlobed;

styles 1.5–3 mm.

cylindric, 30–43 × 12–17 mm, base tapering, not longitudinally ridged.

cylindric or clavate, 5–16(–20) × 2–4 mm, axillary curved to 45° at maturity, often prominently longitudinally ribbed.

2.3–4 mm;

coat anticlinal cell walls straight, papillae 4–10 per cell.

10–25, in 2+ rows distal to mid fruit, tan, dark-mottled, irregularly polygonal, surface smooth to minutely tessellate under 10x magnification; recurved flap over hilum absent;

seed coat cell outer periclinal wall domed, domes on seed edges less than 1/2 as tall as wide at maturity.

= 22.

= 18.