Flora of North America species comparison

erect, unbranched or branched (few) proximally and distally, 6–15(–18) dm, (weakly striate).

(withered by flowering);

similar to cauline.

petiole 3–9(–12) cm;

blade broadly lanceolate or oblong to ovate, (5.5–)8–21(–26) cm × 20–80(–130) mm, (leathery, smaller distally), margins entire or, rarely, with small lobes just proximal to blade, (surfaces rarely sparsely pilose abaxially).

dense.

sepals linear, 7–11 mm, (sometimes sparsely pilose);

petals whitish to lemon yellow, linear, 8–13 × 0.3–1 mm, claw (thickened), 4–7 mm, slightly wider at base;

filaments 5–13 mm, papillate basally;

anthers 2.5–4 mm;

gynophore 7–20 mm.

slightly reflexed to horizontal or divaricate, (5–)7–11(–15) mm.

spreading to curved downward, slightly curved, subterete, 4–9(–10.5) cm × 1.5–2 mm;

ovules 46–70 per ovary;

style 0.2–1.5 mm.

oblong, 1.5–2.6 × 1–1.3 mm.

= 28.