Flora of North America species comparison

several from base, prostrate to decumbent, (usually unbranched, rarely branched distally), 1–3 dm.

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

(tufted);

blade broadly obovate, 1–2 cm, margins entire or with 1 or 2 broad teeth, (apex rounded to obtuse).

(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).

blade oblanceolate to nearly oblong, similar to basal, (base cuneate), margins entire.

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

(secund), loose, (elongated in fruit).

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

sepals (yellowish), elliptic to lanceolate, (2–)3–4 mm;

petals spatulate, (3.9–)5–7 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).

(recurved), 6–8(–12) mm.

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

(usually pendent), elliptic to subglobose, usually slightly compressed (latiseptate), 3–4 mm;

valves densely pubescent, sometimes with scattered trichomes inside;

ovules 4 per ovary;

style ca. 3 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.

somewhat flattened.

slightly flattened.

= 10, 20, 30.