Flora of North America species comparison

unbranched or branched basally, 0.3–1.7(–2.8) dm.

usually unbranched, rarely branched distally, 3–8 dm.

(soon withered);

not rosulate; shortly petiolate;

blade (succulent, mottled), obovate to oblanceolate, 0.5–2 cm, margins coarsely dentate.

(soon withered);

not rosulate; petiolate;

blade (somewhat fleshy), similar to cauline.

blade lanceolate, 0.5–2.5 cm × 1–7 mm (smaller distally), base auriculate, margins entire or dentate (entire distally).

(petiolate);

blade broadly spatulate-obovate to suborbicular, or (distally) narrowly oblong-oblanceolate to linear, 1.5–10 cm × 5–45 mm, base (distally) cuneate to attenuate, not auriculate, margins entire, repand, or obtusely dentate, (entire distally).

ebracteate (lax, sometimes secund).

ebracteate, (lax).

calyx urceolate;

sepals (erect) reddish purple, (ovate), 3–5 mm, keeled, (apex spreading);

petals whitish (abaxial pair with purplish veins, adaxial pair purple), 5–8 mm, blade 2–3 × 1–1.5 mm, margins not crisped, claw 3–4 mm;

stamens in 3 unequal pairs;

filaments: abaxial pair (connate to middle), 3–4 mm, lateral pair 1.5–2.5 mm, adaxial pair (completely connate, not recurved), 5–6 mm;

anthers: abaxial and lateral pairs fertile, 1.4–1.7 mm, adaxial pairs sterile, 0.3–0.5 mm;

gynophore 0.3–0.7 mm.

calyx subcampanulate;

sepals purplish, oblong, 5–8 mm, not keeled;

petals maroon to purple, 8–12 mm, blade 3–5 × 0.5–1 mm, margins not crisped, claw 5–7 mm, wider than blade;

stamens in 3 unequal pairs;

filaments (distinct): abaxial pair 5–6 mm, lateral pair 4–5 mm, adaxial pair 6–7 mm;

anthers (all) fertile, 3–3.5 mm;

gynophore 0.5–5 mm.

divaricate-ascending, 1–2.5(–4) mm.

divaricate to ascending, (straight), 7–17 mm.

divaricate-ascending, slightly torulose, straight to slightly curved, slightly flattened, 1.3–3 cm × 1–1.5 mm;

valves each with obscure midvein;

replum straight;

ovules 12–22 per ovary;

style 0.2–0.8 mm;

stigma entire.

divaricate-ascending, smooth, straight to slightly curved inwards, flattened, 5.5–12 cm × 2.5–3.2(–3.5) mm;

valves each with prominent midvein;

replum straight;

ovules 24–44 per ovary;

style 0.3–3 mm;

stigma subentire.

oblong, 1.3–2 × 0.8–1.2 mm;

wing 0.1–0.3 mm wide distally, (narrower at margin, rarely absent).

broadly oblong to suborbicular, 3–4 × 2–3 mm;

wing 0.5–1.1 mm wide, continuous.

= 28.

= 28.