Flora of North America species comparison

several, 8–50 cm.

often intricately branched, 5–80 cm.

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.

in poorly defined basal rosette and also cauline;

petiole 0.3–3.8 cm;

blade usually unlobed, very rarely pinnately lobed with few, small lateral lobes, ovate to elliptic, margins sparsely denticulate to subentire, pale or dark brown oil cells lining veins abaxially.

nodding, not congested, elongating in mature bud.

nodding, with intricate, filiform branches, elongating in fruit.

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.

opening at sunrise;

buds without free tips;

floral tube 0.5–2 mm, glabrous or villous inside;

sepals 1.5–4 mm;

petals bright yellow, often with red dots near base, fading pale yellow or yellowish orange, 2–7 mm;

stamens unequal, filaments of antisepalous stamens 1.7–3.5 mm, those of antipetalous ones 1.2–2.5 mm, anthers 0.9–1.2 mm, glabrous;

style 4–9 mm, stigma exserted beyond anthers at anthesis.

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

pedicel 8–28 mm.

erect or ascending, clavate, 4–10 mm;

pedicel 4–20 mm.

0.8–1.6 mm.

0.7–1.2 mm.

= 14.

= 14.