Flora of North America species comparison

few to several from base, ± erect, (arising laterally, also from within basal leaves), 0.2–0.4 dm.

several (to several hundred) from base, erect, (each terminating in a tufted cluster of leaves), to 7 dm.

(erect);

blade linear-oblanceolate, 1.2–2.8 cm, (base gradually narrowed to petiole), margins entire.

(petiole not differentiated from blade);

blade narrowly elliptic to narrowly linear-oblanceolate, (0.8–)1–1.5 cm, (base cuneate), margins entire.

blade linear, similar to basal.

similar to basal, blade sometimes linear, (apex acute).

dense, (often subumbellate, not or barely exceeding basal leaves).

dense, (often ± subumbellate, somewhat elongated in fruit).

sepals (pale green-yellow), oblong to elliptic, 4–5 mm, (median pair usually thickened apically, cucullate);

petals lingulate, 6–9 mm.

sepals narrowly elliptic, 2.5–3.5(–4) mm, (not keeled);

petals narrowly spatulate, 4–7 mm.

(ascending, curved), 3–5.5 mm.

(strongly sigmoid), 5–10 mm.

lanceolate in outline, compressed (latiseptate) on margins and at apex, 4–5 mm;

valves pubescent, trichomes closely appressed;

ovules 8–12 per ovary;

style 3.5–4.5 mm (equaling or exceeding length of fruit, curved proximal to stigma).

ellipsoid, compressed, 4–6 mm;

valves densely pubescent, trichomes appressed;

ovules 2 per ovary;

style 2–3.5 mm.

plump, (oblong).

flattened, (oval).