Flora of North America species comparison

sometimes tuberous.

sparsely branched, 8–39 cm, scabridulous or rarely glabrescent.

16–100 cm;

proximal internodes glabrous, distal glabrous to densely eglandular-puberulent.

blade linear-lanceolate, 1–10 × 0.15–0.8 cm (distal leaf blades wider or narrower than sheaths when sheaths opened, flattened), firmly membranaceous, glaucous, glabrous.

spirally arranged, sessile (with sheaths ± saccate);

blade linear-lanceolate, 10–40 × 0.5–2.5 cm (distal leaf blades equal to or narrower than sheaths when sheaths opened, flattened), glaucous, glabrous or adaxially densely and minutely eglandular-velvety.

terminal, solitary, or frequently with 1–3 axillary inflorescences from distal nodes;

bracts foliaceous.

terminal, axillary;

bracts reduced, bases saccate, minutely velvety.

distinctly pedicillate;

pedicels 0.8–1 cm, glandular-puberulent;

sepals frequently suffused with red, glaucous, 4–6 mm, glandular-puberulent;

petals distinct, bright blue to rose and purple, not clawed, 9–12 mm;

stamens free;

filaments bearded.

distinctly pedicillate;

pedicels 0.9–2.8 cm, densely eglandular-puberulent;

sepals 5–13 mm, densely, minutely eglandular-puberulent;

petals distinct, magenta to blue or violet, broadly obovate, not clawed, 1.5–1.8 cm;

stamens free;

filaments bearded.

3–4 mm.

6–7 mm.

1.5–2 mm;

hilum much shorter than seed.

2–3 mm.

= 12.