Flora of North America species comparison

usually 1 per caudex branch, arising from center of rosette near ground surface, (1–)2–6.3 dm, densely pubescent proximally, trichomes short-stalked, 3–8-rayed, 0.1–0.3(–0.5) mm, similarly pubescent distally.

blade oblanceolate to linear-oblanceolate, 1.5–5 mm wide, margins usually dentate, not ciliate, surfaces densely pubescent, trichomes short-stalked, 5–12-rayed, 0.05–0.2 mm.

7–45(–65), concealing stem proximally;

blade auricles absent or 0.7–3 mm, surfaces of distalmost leaves pubescent.

(sometimes absent); petiolate, subsessile, or sessile;

blade base auriculate or not, margins usually entire or dentate, rarely pinnatifid.

10–40(–64)-flowered, usually unbranched.

ebracteate, often elongated in fruit.

ascending to descending at anthesis;

sepals pubescent;

petals white to lavender, 5–9 × 0.8–1.8 mm, glabrous;

pollen ellipsoid.

actinomorphic;

sepals erect, ascending, or spreading, lateral pair usually not saccate basally;

petals white, yellowish, pink, lavender, or purple, claw present, often indistinct;

filaments unappendaged, not winged;

pollen 3-colpate.

pendent, recurved distal to horizontal to ascending base, 4–10 mm, pubescent, trichomes appressed, branched.

closely pendent, rarely appressed to rachis, sometimes somewhat secund, usually straight, edges parallel, 3–6.5 cm × 1.9–2.2 mm;

valves pubescent throughout;

ovules 38–64 per ovary;

style 0.05–0.1 mm.

usually siliques, rarely silicles, dehiscent, unsegmented, usually latiseptate, rarely terete or slightly angustiseptate;

ovules [2–]4–250 per ovary;

style usually distinct, rarely obsolete;

stigma usually entire, rarely 2-lobed.

uniseriate, 1.4–1.8 × 1–1.4 mm;

wing continuous, 0.1–0.3 mm wide.

biseriate, sub-biseriate, uniseriate, or, rarely, aseriate;

cotyledons accumbent or incumbent.

often short-stalked, sessile, or subsessile, usually forked or dendritic, rarely malpighiaceous, sometimes simple or absent.

= 14.