Flora of North America species comparison

erect, unbranched or branched distally.

unbranched or branched (few) distally, 1.5–3dm.

basal and cauline;

petiolate;

basal rosulate or not, blade margins pectinate or pinnatisect;

cauline blade (base not auriculate), margins pectinate or pinnatisect, (terminal lobes filiform and semiterete, or linear and flat).

(not seen), withered by flowering.

petiole 0.4–1.6 cm;

blade margins pectinate or pinnatisect, lobes filiform to linear, 0.5–1.5 cm × 0.2–0.8 mm, margins entire.

(several-flowered), considerably elongated in fruit.

(lax);

rachis flexuous.

sepals erect, oblong [ovate], lateral pair not saccate basally (usually glabrous, rarely pubescent);

petals white, purple, or lavender, spatulate [oblanceolate] (longer than sepals), claw differentiated from blade, (often oblanceolate, equal to or longer than sepals, apex obtuse to emarginate);

stamens slightly tetradynamous;

filaments not dilated basally;

anthers ovate or oblong;

nectar glands lateral, semi-annular or annular, median glands absent.

sepals 2.2–3 × 0.7–1 mm;

petals purple or lavender, 3.5–6 × 2–3 mm, claw ca. 1.5 mm;

median filaments 2–2.7 mm;

anthers oblong, 0.6–0.8 mm.

divaricate-ascending, divaricate, horizontal, or reflexed, slender [stout].

divaricate-ascending, straight, (2–)3–10(–15) mm.

sessile or shortly stipitate, linear, smooth or torulose, latiseptate [terete];

valves each with prominent or obscure midvein, pubescent or glabrous;

replum rounded;

septum complete;

ovules [14–]16–40[–94] per ovary;

style distinct;

stigma capitate, entire.

divaricate-ascending, straight, subtorulose, 2.5–4.1 cm × 0.7–0.9 mm;

ovules 32–40 per ovary;

style 0.5–0.8 mm.

uniseriate or biseriate, (yellowish brown), flattened or plump, not winged, oblong;

seed coat not mucilaginous when wetted;

cotyledons accumbent [incumbent].

1–1.3 × 0.6–0.9 mm.

= 13, 14.