Flora of North America species comparison

erect, not fleshy, glabrous, sparsely to densely puberulent, densely villous, or glandular-pubescent.

branched, 3–12 dm, densely white-villous, glandular-pubescent.

basal and cauline, opposite;

petiole present;

blade leathery, not fleshy, margins entire, pinnatifid, or 2-pinnatifid.

petiole 1–8 mm;

blade lanceolate, (5–)10–50 x 6–26 mm, margins 2-pinnatifid, sometimes undivided or basal less deeply incised, glandular-pubescent.

leaflike, 10–16 x 4–10 mm, margins pinnatifid to 2-pinnatifid.

terminal, loose racemes;

bracts present.

present;

bracteoles absent.

5–20 mm, villous, glandular-pubescent.

sepals 5, calyx radially symmetric, campanulate or turbinate, lobes linear to deltate, sometimes lanceolate;

petals 5, corolla yellow, bilabiate, campanulate, abaxial lobes 3, adaxial 2;

stamens 4, didynamous, filaments glabrous or ciliate, anthers villous;

staminode 0;

ovary 2-locular, placentation axile;

stigma truncate.

calyx villous and glandular-pubescent, tube campanulate, 3–8 mm, lobes linear, 7–15 x 1–3 mm, margins pinnatifid;

corolla tube 25–40 mm, gibbous, floccose, lobes 7–11 x 6–15 mm;

filaments 12–18 mm, ciliate;

style 30–50 mm.

dehiscence loculicidal.

pyriform, 11–15 x 5–7 mm, hispid.

300–500, brown to blackish, ovoid to deltoid, wings present (absent in A. pedicularia).

= 14.