Flora of North America species comparison

large 6–15; small 30–190.

large 6; small 20–30.

2–6 dm.

3–9 dm.

in 1–3 whorls of 5–9 leaves per node proximally, alternate distally, 4–10 cm, usually shorter than inflorescence;

blade narrowly to broadly lanceolate;

distal leaves usually ± equaling proximalmost leaf.

in 1–3 whorls of 2–5 leaves per node proximally, alternate distally, 3–15 cm;

blade linear to narrowly lanceolate.

spreading to nodding, odor unpleasant;

tepals dark greenish brown to brownish purple, sometimes streaked or spotted with yellow, oblong-elliptic to elliptic-obovate, 2–3 cm, apex not recurved;

nectaries obscure, same color as tepals, linear, ± equaling tepal length;

style obviously branched for 2/3 its length, branches longer than 1.5 mm.

nodding;

perianth slender;

tepals scarlet, checkered with yellow adaxially and purple abaxially, 1.5–3.7 cm, apex usually strongly recurved;

nectaries yellow, narrowly lanceolate, 1/4 tepal length or less;

style obviously branched for 1/4–1/2 its length, branches ± erect, longer than 1.5 mm.

cylindric-ovoid.

winged.

= 24, 36.

= 24, 36.