Flora of North America species comparison

absent.

absent.

erect, ascending, or decumbent, unbranched or branched basally and/or distally, (0.3–)1–3.5(–4.5) dm, (not flexuous).

(simple or few from base), erect to ascending, (not flexuous), unbranched or branched distally, (0.5–)0.8–3.2(–4.1) dm, usually pubescent throughout or proximally, rarely glabrous.

(persistent to anthesis), rosulate, (5–)8–15(–22)-foliolate, (2–)3.5–15(–17) cm, leaflets petiolulate;

petiole 0.5–5 cm, (ciliate);

lateral leaflet blade oblong, ovate, obovate, or orbicular, smaller than terminal, margins entire, repand, crenate, or 3-lobed;

terminal leaflet (petiolule 0.2–1 cm), blade reniform or orbicular, 0.4–2 cm × 6–30 mm, margins entire, repand, dentate, or 3 or 5-lobed.

(persistent to anthesis), rosulate, pinnately compound, 5–9(–13)-foliolate, 2–8.5(–11) cm, leaflets petiolulate or subsessile;

petiole 1–6 cm;

lateral leaflets petiolulate or subsessile, blade obovate to oblanceolate, smaller than terminal, margins entire or crenate;

terminal leaflet (petiolule 0.1–0.7 cm), blade usually orbicular to ovate, rarely oblong, 0.4–1.5(–2.3) cm × 3–10(–13) mm, base cordate to rounded, margins entire, or crenate-dentate to obscurely 3 or 5-lobed, (surfaces often hirsute, sometimes glabrous).

1–4(–6), compound as basal, petiolate, [(0.5–)1.2–5.5(–7) cm, including petiole], leaflets petiolulate;

blade base not auriculate;

leaflets similar to basal.

3–8, pinnately compound, similar to basal, smaller and fewer distally, petiolate, leaflets petiolulate or subsessile;

petiole 0.5–2 cm, base not auriculate.

ebracteate.

ebracteate.

sepals oblong, 1.5–2.5 × 0.3–0.7 mm, lateral pair not saccate;

petals (sometimes absent) white, spatulate, 2.5–4.5(–5) × 0.5–1.1 mm; (stamens usually 4, lateral pair often absent, rarely 5 or 6);

filaments 1.8–3 mm;

anthers ovate, 0.3–0.5 mm.

sepals oblong, 1.3–1.8(–2) × 0.5–1 mm, lateral pair not saccate basally;

petals white, narrowly spatulate to oblanceolate, 2.5–3.5 × 0.9–1.5 mm (not clawed);

filaments: median pairs 1.7–2.5 mm, lateral pair 1.2–2 mm;

anthers ovate, 0.3–0.5 mm.

erect to ascending, (2–)3–10(–14) mm.

divaricate-ascending, (2–)3–9(–12) mm.

linear, (torulose), (0.9–)1.5–2.5(–2.8) cm × (0.8–)1–1.4 mm, (often appressed to rachis);

ovules 14–40 per ovary;

style 0.1–0.6(–1) mm.

linear, (torulose), (1.3–)1.6–2.8 cm × 1–1.7 mm; (valves glabrous or sparsely pubescent);

ovules 16–36(–42) per ovary;

style 0.4–1(–1.5) mm.

light brown, oblong or subquadrate, 0.9–1.3(–1.5) × 0.6–0.9(–1.1) mm, (narrowly margined).

brown, oblong, 1–1.6 × 0.8–1.2 mm.

= 16.

= 16.