Flora of North America species comparison

erect or rarely decumbent, to 100 cm, glabrous and sometimes glaucous or sparsely to densely puberulent, sometimes mixed with longer, spreading hairs.

erect to decumbent, 20–200 cm, puberulent.

petiole 0–2 mm;

blade linear or narrowly lanceolate to elliptic or ovate, 1.5–7 cm.

petiole to 10 mm;

blade linear to lanceolate, 1–6 cm.

open or dense racemes, axis straight;

buds erect.

open or dense spikes or racemes, axis straight;

buds erect.

floral tube 2–10 mm;

sepals reflexed individually or in pairs;

corolla bowl-shaped, petals lavender to purple, purplish red, or dark wine-red, often with red or purple spot near middle, tip, or base, 9–25 mm;

stamens 8, subequal;

ovary 8-grooved, length less than 8 times width;

stigma as long as or exserted beyond anthers.

floral tube 3–10 mm;

sepals usually reflexed together to one side, or rarely in pairs or singly;

corolla bowl-shaped, petals pale pink to lavender, usually with red spot or mark near middle, obovate to fan-shaped, 15–60 mm, not lobed, apex sometimes shallowly notched or erose;

stamens 8, in 2 subequal sets;

ovary cylindrical and 4-grooved or fusiform and 8-grooved, puberulent;

stigma exserted or not beyond anthers.

10–30 mm, beak 0–2 mm.

15–40 mm, sometimes broader distally;

pedicel 0–13 mm.

brown or gray, 1–2 mm, scaly, crest 0.2 mm.

brown to grayish brown, 1–1.5 mm, scaly, crest 0.1 mm.