Flora of North America species comparison

erect, unbranched, (slightly ribbed), 2–6(–8) dm.

erect, unbranched or branched distally, (2.5–)4–12(–14) dm.

(often withered by flowering);

blade obovate to ovate, margins entire.

petiole 2–10(–16) cm;

blade lanceolate to oblanceolate or ovate, (2.2–)5–18(–22) cm × 10–40(–60) mm, margins often entire, sometimes dentate, rarely lyrate-pinnatifid.

sessile;

blade (fleshy), lanceolate, (2.2–)4–13(–16) cm × (5–)10–30(–40) mm, (smaller distally, base auriculate to sagittate), margins entire.

sessile;

blade lanceolate, (2–)3.5–8.5(–11) cm × (2–)5–19(–28) mm (smaller distally, base auriculate to sagittate), margins entire.

dense, (slightly or not elongated in fruit).

loose.

sepals oblong-linear, 6–12 mm;

petals yellow becoming whitish, narrowly linear to filiform, (12–)14–25 × 0.5–1.5 mm, (margins crisp), claw (nearly linear), 5–11 mm, slightly wider at base;

filaments 12–17 mm;

anthers 3–4.5 mm;

gynophore (6–)10–18 mm.

sepals oblong-linear, 12–18 mm;

petals whitish to lemon yellow, narrowly oblanceolate, 13–20 × 1–3 mm, claw 7–11 mm, (nearly linear-lanceolate), slightly wider at base, (margins usually erose, rarely subentire and crisped);

filaments 11–20 mm;

anthers 3.5–6 mm;

gynophore (6–)11–22(–25) mm.

horizontal to divaricate-ascending, 10–20(–26) mm.

horizontal to divaricate-ascending, 4–9(–12) mm.

suberect to divaricate-ascending, slightly curved inward, (torulose), subterete, 2–5.2(–6) cm × 1.5–2.2 mm;

ovules 40–62 per ovary;

style 0.6–1.7 mm.

divaricate or descending, curved inward, (torulose), subterete, 3–6(–7) cm × 1.2–2 mm;

ovules 28–50 per ovary;

style 0.04–0.3 mm.

oblong, 1.5–2.5 × 0.8–1 mm.

oblong, 2–3 × 1–1.2 mm.

= 28.