Flora of North America species comparison

procumbent to erect, glabrous or arachnose and/or stipitate-glandular.

blades 3–12(–18+) cm × 10–30(–60+) mm.

sessile or petiolate;

blades elliptic, obovate, or oblong to oblanceolate, spatulate, or linear (bases sometimes clasping), margins entire or denticulate, faces sparsely arachnose and/or stipitate-glandular.

5–8(–12+) cm.

campanulate to hemispheric or broader, 10–30+ mm diam.

flat.

30–50(–100+);

corolla laminae 12–20+ mm.

13–50(–100+) in 1–3+ series;

corollas yellow to orange, laminae linear to oblanceolate.

(30–)60–150+;

corollas (4–)5–6+ mm.

20–60(–150+), functionally staminate;

corollas yellow, reddish, or purplish, tubes shorter than ± campanulate throats.

12–40+, (8–)10–12+ mm.

13–40+ in 2+ series, lanceolate to lance-linear.

borne singly.

9–15(–25+) mm.

arcuate to ± coiled (usually some beaked, some 2–3-winged, some both beaked and winged), abaxial faces usually tuberculate and/or transversely ridged.

= 11.

= 14, 32.