Flora of North America species comparison

with several divergent branches from base, 10–50 cm.

several, 5–150 cm.

primarily in basal rosette and cauline, 3–20 × 0.7–2.5 cm;

petiole 0.5–4 cm;

blade pinnately or bipinnately lobed, terminal lobe ovate to elliptic, 0.4–2.5 × 0.3–1.5 cm, margins irregularly serrate, dark brown oil cells prominently lining veins abaxially.

in poorly defined basal rosette and cauline;

petiole 0.7–3.4 cm;

blade unlobed, broadly ovate to oblong-ovate, elliptic, or subcordate, 1.2–7.6 × 0.8–5.5 cm, margins serrulate to serrate-denticulate, brown oil cells prominently lining veins abaxially.

erect, elongating after anthesis.

erect, elongating in flower.

opening at sunrise;

buds individually reflexed, with apical free tips less than 1 mm;

floral tube 1.5–2 mm, glabrous inside;

sepals 2–5 mm;

petals bright yellow, with red dots near base, fading pale lavender, 2–6 mm;

stamens unequal, filaments of antisepalous stamens 1.5–3 mm, those of antipetalous ones 1–2 mm, anthers 1.2–2 mm, glabrous;

style 4–7 mm, stigma surrounded by anthers at anthesis.

opening at sunrise;

buds without free tips;

floral tube 0.6–1 mm;

sepals 5–7 mm;

petals purple, fading darker purple, 7–14 mm;

stamens 4 + 4, unequal, anthers 1.5–2 mm, glabrous, stigma exserted beyond anthers at anthesis.

spreading to ascending, oblong-cylindrical, 8–20 mm;

pedicel 6–10 mm.

spreading to reflexed, clavate, 11–25 mm;

pedicel 3–5 mm.

0.6–1 mm.

1.5–1.8 mm.