Flora of North America species comparison

simple or few from base, decumbent to ascending, (arising laterally from a tight hemispherical tuft of leaves), to 0.15 dm.

few from base, erect with outer usually decumbent, 1–3.5(–5) dm.

similar to cauline, (erect, surfaces silvery).

(erect);

blade narrowly lanceolate to linear or (outer) oblanceolate, (1–)2–6(–9) cm, margins usually entire, rarely shallowly dentate, (inner involute, outer usually flat, base usually with some simple trichomes).

(ascending, subsessile);

blade linear-oblanceolate, (0.6–)0.8–1.3(–1.5) cm, margins entire, (apex acute to narrowly obtuse).

blade narrowly oblanceolate to linear, (1–)2–4(–8) cm, margins flat or involute.

strongly congested, (often sessile or nearly so, lateral to leaves).

compact, (elongated and loose in fruit, densely-flowered).

sepals (loosely erect), narrowly oblong, 3–4 mm;

petals spatulate, 5–6 mm.

sepals oblong to broadly elliptic, 4–7(–8) mm, (lateral pair subsaccate, median pair cucullate);

petals oblanceolate or obovate, (5–)6.5–9.5(–11) mm, (claw undifferentiated from blade, or blade gradually narrowed to claw).

(erect or ascending, straight to slightly curved), 3–6 mm.

(usually recurved), (5–)10–20(–25) mm.

ovate, compressed (latiseptate) on margins and apically, 4–5 mm;

valves pubescent, trichomes densely appressed;

ovules 4 per ovary;

style 1–1.5 mm.

subglobose or obovoid, usually inflated, sometimes slightly compressed, (3–)4–6 mm;

valves densely pubescent, trichomes spreading, usually pubescent inside, trichomes appressed, sessile;

ovules (4–)8–12(–16) per ovary;

style 3–4.5(–6.5) mm.

plump.

slightly flattened.

= 10, 20, 30.