Flora of North America species comparison

erect, often branched distally, rarely unbranched, (usually slender, rarely stout).

3.5–7(–8) dm.

cauline (basal not seen, soon withered, not rosulate);

petiolate or sessile;

blade (base cuneate, auriculate, or amplexicaul), margins entire.

sessile;

leaf blades ovate, oblong, to lanceolate, (1–)1.5–4 cm × 4–14(–16) mm, base always clasping stem, amplexicaul to strongly auriculate (auricles ovate, 3–9 × 2–6 mm), apex acute to obtuse.

(corymbose, several-flowered, floral buds clavate), not or slightly elongated in fruit.

1–5(–8) cm in fruit.

sepals spreading or reflexed, linear-oblanceolate, lateral pair not saccate basally;

petals (spreading), white or pink to deep purple, obovate, orbicular, or spatulate, (margins entire or crisped), claw strongly differentiated from blade (slender, often dilated basally, usually minutely to coarsely papillate or pubescent, rarely nearly smooth, apex rounded);

stamens (strongly exserted, spreading), subequal;

filaments not dilated basally;

anthers linear, (coiled after dehiscence);

nectar glands confluent, subtending bases of stamens, (often 6 teeth alternating with filaments), median glands present.

sepals white or pinkish, spreading or strongly reflexed, 5–8 × 0.4–0.6 mm;

petals white, pink, or purple, broadly obovate to orbicular, 7–10 mm, blade 3–5 × 2–4 mm, claw 4–5 mm, minutely papillate, margins entire;

filaments 12–15 mm;

anthers 1–1.5 mm;

gynophore slender, (8–)10–15 mm.

(often deciduous at maturity, leaving elevated discoid scars on rachis), divaricate, slender, (sometimes filiform, straight, with 2 lateral glands basally).

8–15 mm.

stipitate, narrowly linear, smooth, (recurved), latiseptate;

valves each with prominent midvein throughout;

replum rounded;

septum complete;

ovules 20–60 per ovary;

style usually obsolete, rarely distinct;

stigma entire.

(3–)4–7 cm × 1.3–1.5 mm;

ovules 24–32 per ovary.

uniseriate, not winged, oblong;

seed coat (concentrically striate), not mucilaginous when wetted;

cotyledons accumbent.

1–1.5 × 0.6–0.8 mm.

= 12.