Flora of North America species comparison

(unsegmented), cylindrical, 2–10 mm diam., (somewhat uniform, fleshy, not fragile, with dentate leaf scars).

erect, unbranched, (1.2–)1.5–3.5(–4) dm, rarely sparsely pubescent distally.

3-foliolate, (5.5–)8–22(–26) cm, leaflets petiolulate or subsessile;

petiole (3–)4.5–16(–20) cm;

lateral leaflets subsessile or petiolulate, blade often similar to terminal, base sometimes oblique;

terminal leaflet (petiolule 0.5–1.2 cm), blade ovate-elliptic to broadly ovate, (2–)3.5–8(–10) cm × (5–)20–65(–80) mm, base cuneate to obtuse, margins coarsely crenate or dentate, (surfaces puberulent, trichomes to 0.1 mm).

2 (or 3) [(sub)opposite], 3-foliolate, (similar to rhizomal leaves), petiolate, leaflets petiolulate or subsessile;

petiole (1–)2–4.5 cm, base not auriculate;

lateral leaflets similar to terminal;

terminal leaflet subsessile or petiolulate (0.2–1 cm), blade broadly elliptic to ovate, (2–)4–8(–10) cm × 10–50 mm, margins coarsely dentate or crenate, (margins minutely puberulent).

(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 oblong, (4–)5–8 × 2–3 mm, lateral pair slightly saccate basally;

petals white or pink to purple, obovate to oblanceolate, (7–)9–15(–17) × (3–)4–7 mm, (short-clawed, apex rounded);

filaments: median pairs 5–8 mm, lateral pair 3.5–6 mm;

anthers linear to oblong, 2.5–3 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.

ascending to divaricate, (10–)15–30(–36) mm.

linear-lanceolate, 1.5–4 cm × 1.5–2.5 mm;

ovules 10–14 per ovary;

style 4–8(–10) 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.

(rarely produced) brown, oblong, 2–2.2 × 1.2–1.5 mm (cotyledons incumbent).

biseriate or uniseriate;

cotyledons usually accumbent, sometimes incumbent.

= 96.