Flora of North America species comparison

erect, unbranched or branched.

unbranched basally, often branched distally, 4–8(–11) dm, often eglandular, glabrous distally.

basal and cauline;

petiolate [sessile];

basal rosulate [not rosulate], blade margins entire, dentate, or pinnatifid;

cauline similar to basal.

withered by flowering, long-petiolate.

short-petiolate;

blade narrowly oblong, lanceolate, or broadly ovate, (2–)4–15(–20) cm × (4–)8–40(–60) mm, base cuneate, margins denticulate or entire, apex acute or acuminate, surfaces pubescent.

(corymbose), considerably elongated in fruit.

sepals oblong [linear], (sometimes connivent), lateral pair strongly saccate basally, (pubescent or glabrous);

petals obovate [oblong], (much longer than sepals), claw distinctly differentiated from blade, (apex rounded [obtuse]);

stamens strongly tetradynamous;

filaments (erect), slender or dilated basally;

anthers linear [oblong], (apex obtuse);

nectar glands (2), lateral, annular or lunar.

sepals 5–8 × 1.5–2 mm;

petals (13–)15–20(–22) × 3.5–9 mm, claw 6–12 mm;

filaments 2.5–6 mm;

anthers 2.5–4 mm.

divaricate or ascending [reflexed], slender or stout.

(5–)7–17(–25) mm.

tardily dehiscent, sessile, linear, torulose;

valves each with prominent midvein, glabrous;

replum rounded;

septum complete;

ovules 4–40 per ovary;

style obsolete or distinct (relatively short);

stigma conical (lobes prominent, connivent or distinct, decurrent).

(4–)6–10(–14) cm × 2–2.5 mm.

plump, not winged, oblong;

seed coat (reticulate), not mucilaginous when wetted;

cotyledons incumbent.

(2.5–)3–4 × 1–1.5 mm.

= 24.