Flora of North America species comparison

(if present) unbranched to few-branched, (0–)10–25 cm.

(if present), usually unbranched, rarely with 1–several short laterals, 4–8 cm.

(3.5–)4–13(–16) × (0.7–)1–3.2 cm;

petiole (1.3–)1.7–10(–12) cm;

blade oblanceolate to rhombic-obovate, margins often coarsely and irregularly dentate or serrate, sometimes pinnately lobed, often with several larger lobes near blade base.

(6.8–)9.5–23(–32) × (1.3–)2.4–4.5(–6.5) cm;

petiole (3–)4–11(–14) cm;

blade oblanceolate to spatulate, margins often undulate, usually regularly to irregularly dentate, rarely coarsely and irregularly pinnately lobed.

buds often recurved when young;

floral tube (35–)40–70(–80) mm;

sepals 22–27(–32) mm;

petals fading pink to light rose, (25–)28–32(–34) mm;

filaments 11–15(–17) mm, anthers 9–12 mm;

style (50–)59–85(–96) mm.

floral tube (45–)75–110(–153) mm;

sepals (22–)30–45(–50) mm;

petals fading pink to pale rose, (21–)35–43(–50) mm;

filaments (16–)19–28(–35) mm, anthers (10–)12–17 mm;

style 85–180 mm.

straight, oblong-lanceoloid, base asymmetrical, 13–35(–40) × 5–6 mm;

valve margins with a low sinuate ridge to 8–15 small, nearly distinct tubercles;

pedicel 1–3 mm.

somewhat curved, lanceoloid-cylindrical to cylindrical, symmetrical throughout, sometimes slightly flattened on one side at base, (17–)25–45(–56) × 5–8 mm, valve margins with conspicuous, nearly smooth to irregular undulate ridge;

pedicel 2–7 mm.

narrowly obovoid, 2.1–2.6 × 1.1–1.3 mm, embryo 1/2 of seed volume, surface minutely papillose;

seed collar forming a narrow slit above raphe with a slightly sunken membrane, margin entire or obscurely sinuate distally.

narrowly obovoid, 2.5–3 × 1–1.4 mm, embryo 1/2 of seed volume, surface minutely papillose to reticulate;

seed collar forming narrow slit above raphe with a slightly sunken membrane, margin entire or obscurely sinuate distally.

= 14, 28.

= 14, 28.