Flora of North America species comparison

(if present) usually unbranched, rarely with 1–several short laterals, 0–6(–21) cm.

usually unbranched, rarely with 1–several branches from near base, 10–40 cm.

(2.8–)7–16(–21) × (0.3–)1–3(–5) cm;

petiole (1–)3–7(–10) cm;

blade obovate to linear-oblanceolate, margins coarsely and irregularly serrate or dentate, sometimes pinnately lobed or subentire.

(2.8–)10–26(–36) × (0.6–)1–3(–4.5) cm;

petiole (3–)4–11(–14) cm;

blade usually oblanceolate to narrowly elliptic, rarely lanceolate, margins coarsely and irregularly pinnately lobed to dentate or, rarely, serrate.

floral tube (20–)40–60(–85) mm;

sepals (15–)24–35(–40) mm;

petals fading rose pink to dark rose purple, (16–)25–40(–48) mm;

filaments (12–)15–24(–26) mm, anthers 9–12 mm;

style (45–)60–120 mm.

floral tube (41–)80–140(–165) mm;

sepals (22–)34–45(–54) mm;

petals fading pink to lavender, (24–)35–50(–60) mm;

filaments (16–)20–30(–35) mm, anthers (10–)12–17(–20) mm;

style (78–)100–150(–185) mm.

falcate or sigmoid, becoming nearly straight at maturity, asymmetrical and often somewhat flattened, lanceoloid to ovoid, (10–)20–40(–50) × 4–6 mm, valve margins with prominent, sinuate ridge with 5–10 peaks, or nearly distinct tubercles;

pedicel 0.5–3 mm.

straight, cylindrical to, sometimes, lanceoloid-cylindrical, slightly asymmetrical, (21–)25–50(–68) × 6–8 mm, valve margins with minute to conspicuous tubercles, these sometimes coalesced into a sinuate ridge;

pedicel (0–)1–40(–55) mm.

narrowly obovoid, 2.5–3.9 × 1.2–1.7 mm embryo 1/2–2/3 of seed volume, surface papillose;

seed collar oblong, membrane depressed deeply into raphial cavity, margin usually sinuate only distally, sometimes sinuate throughout.

usually narrowly to broadly obovoid, rarely suborbicular, 2.2–3.4 × 1.1–2.6 mm, embryo 1/5–1/2 of seed volume, surface appearing longitudinally striate, reticulate under magnification;

seed collar large, usually appearing inflated, sealed by a flat membrane which is often slightly depressed into seed collar cavity, margin entire or obscurely sinuate distally.

= 14.

= 14.