Flora of North America species comparison

(1–)1.5–5 mm thick, fleshy.

sometimes tuberous.

not flexuous, 5–40 cm;

internodes usually glabrous.

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

spirally arranged, sessile;

blade dull green, linear-lanceolate to lanceolate-oblong, 9–27 × 1–4 cm (distal leaf blades wider than sheaths when sheaths opened, flattened), base cuneate to rounded, apex acuminate, not glaucous, glabrous or sparsely 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.

terminal;

bracts foliaceous.

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

bracts foliaceous.

distinctly pedicillate;

pedicels 2–3.2 cm, minutely pilose;

sepals somewhat inflated, 9–16 mm, uniformly eglandular-pilose;

petals distinct, deep blue, purple, or rose-red, broadly ovate, not clawed, 1.2–1.5 cm;

stamens free;

filaments bearded.

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.

5–7 mm.

3–4 mm.

2–3 mm.

1.5–2 mm;

hilum much shorter than seed.

= 12.