Flora of North America species comparison

unbranched or branched from base, 3–30 cm.

usually unbranched, sometimes branched from base, 3–45 cm.

primarily in basal rosette and also cauline;

petiole 0.5–8 cm;

blade usually not pinnately lobed or, if so, then lateral lobes greatly reduced, terminal lobe oblanceolate to cordate, 0.8–7.5 × 0.4–3 cm, margins entire or sparsely denticulate, pale brown oil cells lining veins abaxially.

primarily in basal rosette, cauline poorly developed or absent, 1–18 × 0.5–3.5 cm;

petiole 0.5–6.5 cm;

blade pinnately lobed or lateral lobes greatly reduced or absent, sometimes mixed on same plant, terminal lobe narrowly ovate to ovate or elliptic, 1–6.5 × 0.5–3.3 cm, margins irregularly dentate to subentire, oil cells on abaxial surface inconspicuous or conspicuous, pale yellowish brown or dark brown.

nodding, elongating after anthesis.

nodding, elongating in fruit.

opening at sunrise;

buds without subapical free tips;

floral tube 2–4.5 mm, villous inside proximally;

sepals 3–8 mm;

petals bright yellow, with red dots near base, fading pale yellow or yellowish orange, 5.5–9 mm;

stamens unequal, filaments of antisepalous stamens 3–8 mm, those of antipetalous ones 2.8–5.5 mm, anthers 2–4 mm, ciliate;

style 10–17 mm, stigma exserted beyond anthers at anthesis.

opening at sunrise;

buds with or without subapical free tips less than 1 mm;

floral tube 1–4 mm, sparsely villous or glabrous inside;

sepals 1.2–5 mm;

petals bright yellow, often with red dots near base, fading pale yellow or yellowish orange, 1.5–5.5(–8) mm;

stamens unequal, filaments of antisepalous stamens 1.2–6 mm, those of antipetalous ones 0.5–4 mm, anthers 1–2.5 mm, ciliate or glabrous;

style 3–11 mm, stigma surrounded by anthers at anthesis.

erect, spreading, or slightly reflexed, clavate, 18–40 mm;

pedicel 4–28 mm.

ascending, clavate, 8–50 mm;

pedicel 4–20 mm.

1.2–1.7 mm.

1–2 mm.

= 14.