Flora of North America species comparison

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

simple or branched, 5–15 dm, white-puberulent.

basal and cauline, opposite;

petiole present;

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

petiole 8–18 mm;

blade lanceolate, 50–105 x 30–40 mm, margins pinnatifid and serrate, rarely serrate and not pinnatifid, surfaces puberulent.

leaflike, 15–22 x 3–7 mm, margins serrate to weakly pinnatifid at base.

terminal, loose racemes;

bracts present.

present;

bracteoles absent.

4–11 mm, puberulent.

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 puberulent, tube campanulate, 6–10 mm, lobes linear to lanceolate, 3–12 x 1–4 mm, margins entire;

corolla tube 30–40 mm, glabrous, lobes 7–11 x 10–16 mm;

filaments 13–27 mm, ciliate;

style 29–35 mm.

dehiscence loculicidal.

pyriform, 10–16 x 8–12 mm, glabrous.

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

= 14.