Flora of North America species comparison

cylindrical, slender, 0.5–1.5 mm diam.

erect, unbranched, (0.6–)1–2(–3) dm.

pinnately 5 or 7-foliolate, (2–)4–10 cm, (not fleshy), leaflets sessile;

petiole (1.5–)3–7(–9) cm;

lateral leaflets similar to terminal, blade sometimes smaller;

terminal leaflet blade linear to narrowly oblong or narrowly lanceolate, (0.5–)1–2.5(–3.3) cm × 0.5–4(–8) mm, base cuneate to attenuate, margins entire.

(1 or) 2 or 3, 5 or 7-foliolate, petiolate, leaflets sessile;

petiole (0.2–)0.5–1.2(–1.5) cm, base not auriculate;

lateral leaflets similar to terminal, blade smaller;

terminal leaflet blade narrowly lanceolate to linear, 1–3.2(–4) cm × 0.8–2.5(–3.5) mm, base cuneate to attenuate, margins entire (apex acute to acuminate).

(rarely absent), usually petiolate, sometimes sessile;

blade (simple or compound), base auriculate or not, margins entire or dentate to pinnately lobed.

absent or simple.

ebracteate.

usually ebracteate (Selenia bracteate throughout), often elongated in fruit.

sepals ovate, 2.5–3.5 × 1.5–2.5 mm, lateral pair not saccate basally;

petals white, obovate, 5–9 × 2.5–5 mm (clawed, apex rounded);

filaments: median pairs 3–4.5 mm, lateral pair 1.5–2.5 mm;

anthers oblong, 1–1.5 mm.

actinomorphic;

sepals erect to spreading or ascending, lateral pair seldom saccate basally;

petals white, yellow, pink, lilac, or purple, claw usually present, rarely absent, often distinct;

filaments unappendaged, not winged;

pollen 3-colpate.

suberect to divaricate-ascending, (7–)10–25 mm.

linear, (1.5–)2–4 cm × 1.5–2 mm;

ovules 6–12 per ovary;

style (1–)1.5–2.5(–4) mm.

silicles or siliques, dehiscent, unsegmented, terete, 4-angled, or latiseptate, rarely angustiseptate;

ovules 4–300[–numerous] per ovary;

style distinct or obsolete (absent in Subularia);

stigma usually entire.

brown, oblong, 1.8–2.2 × 0.9–1.1 mm.

biseriate or uniseriate;

cotyledons usually accumbent, sometimes incumbent.

= 28, 42.