Flora of North America species comparison

absent.

basal, rosulate, petiolate, blade margins entire or lyrately lobed.

petiole (0.2–)0.5 2(–3) cm;

blade ovate, obovate, or spatulate, (0.3–)0.7–2(–2.5) cm × 2–8(–12) mm.

(few to many) on peduncle from basal rosette.

sepals ovate or oblong;

petals oblanceolate, (slightly longer than sepals, apex obtuse);

stamens (erect), slightly tetradynamous;

filaments not dilated basally;

anthers ovate or broadly so, (apex obtuse);

nectar glands lateral, semiannular, intrastaminal, median glands present (smaller, distinct).

sepals purplish, 1.5–1.8 × 0.5–0.8 mm, margins not hyaline;

petals 2–2.5 × 0.5–0.8 mm, attenuate to base;

filaments 1.4–1.6 mm;

anthers 0.15–0.2 mm, gynophore obsolete or, rarely, to 1 mm.

ascending or erect, slender.

(2–)4–15(–22), straight, (15–)25–110(–130) mm.

sessile or, rarely, stipitate, orbicular or orbicular-ovate, smooth, strongly latiseptate;

valves not veined or obscurely veined;

replum slightly flattened;

septum complete, (hyaline);

stigma capitate.

(0.5–)0.6–0.9(–1) cm (slightly longer than wide);

valves rounded at each end;

style subconical, 0.3–0.8 mm.

flattened, broadly winged, orbicular;

seed coat (coarsely reticulate at center), not mucilaginous when wetted;

cotyledons accumbent.

strongly compressed, 3.5–5 mm diam., coarsely reticulate (except for wing);

wing 0.8–1.2 mm wide.

= 8.

= 16.