Flora of North America species comparison

scales: large 6; small 20–30.

scales: large 2–7; small 0–1.

3–9 dm.

2.5–3.8 dm.

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

blade linear to narrowly lanceolate.

3–10, alternate, 6–7 cm;

blade oblong-ovate, ± glaucous.

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.

nodding, fragrant;

tepals white to pink, often striped red, oblanceolate, 2–3.5 cm, apex acute to apiculate, usually recurved;

nectaries at base of tepals, green, outlined with lavender, linear;

style barely branched, branches shorter than 1.5 mm.

winged.

angled.

= 24, 36.

= 24.