Flora of North America species comparison

slender, unbranched or branched from base, 10–60 cm.

several, 8–50 cm.

in basal rosette and/or cauline, often purple-dotted, 2–22 × 0.4–3.5 cm;

petiole 0.4–8 cm;

blade pinnately lobed, sometimes lateral lobes greatly reduced or absent and blade reduced to terminal lobe only, terminal lobe oblong or cordate to ovate, 1–5 × 0.5–3.2 cm, margins serrate, brown oil cells prominently lining veins abaxially.

primarily in basal rosette and also cauline, 1.5–20 × 0.5–3 cm;

petiole 0.5–5 cm;

blade pinnately lobed, terminal lobe ovate to narrowly ovate, 1.3–6 × 0.6–3 cm, margins denticulate, brownish oil cells lining veins abaxially.

erect, elongating after anthesis.

nodding, not congested, elongating in mature bud.

opening at sunrise;

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

floral tube 0.5–1.5 mm, glabrous or sparsely villous inside;

sepals 1.5–5 mm;

petals bright yellow, fading pale orange or lavender, 1–6 mm;

stamens unequal, filaments of antisepalous stamens 1–3 mm, those of antipetalous ones 0.3–2 mm, anthers 0.5–2 mm, glabrous or sparsely ciliate;

style 1.5–6 mm, stigma surrounded by anthers at anthesis.

opening at sunrise;

buds with or without subapical free tips;

floral tube orange-brown inside, 2–3 mm, villous inside;

sepals 4–7 mm;

petals bright yellow, with red dots near base, fading pale yellow or yellowish orange, 3–10 mm;

stamens subequal, filaments 4–8 mm, anthers 3–6 mm, ciliate;

style 8–18 mm, stigma exserted beyond anthers at anthesis.

spreading or ascending, oblong-cylindrical, 11–45 mm;

pedicel 5–30 mm.

widely spreading, becoming sharply reflexed, clavate, 8–24 mm;

pedicel 8–28 mm.

0.6–1.2 mm.

0.8–1.6 mm.

= 14.