Flora of North America species comparison

sometimes tuberous.

not brownish-tomentose.

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

unbranched or sparsely branched, (2–)15–40 cm;

internodes densely pilose to glabrescent.

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;

blade dull green, linear-lanceolate, 10–30 × 0.6–1.6 cm (distal leaf blades equal to or narrower than sheaths when sheaths opened, flattened) , margins ± densely ciliolate, sometimes also sparsely ciliate, apex acuminate, puberulent and sparsely to densely pilose (rarely glabrescent).

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

bracts foliaceous.

terminal, rarely axillary;

bracts foliaceous, usually spreading, puberulent, usually sparsely to densely pilose, margins ± densely ciliolate.

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 1.5–3.5 cm, densely pubescent with mixture of glandular, eglandular hairs;

sepals suffused with rose or purple, 6–13 mm, pilose with mixture of glandular, eglandular hairs, glandular hairs numerous, conspicuous, longer hairs 1.5–6 mm;

petals distinct, rose to bright blue, ovate, not clawed, 11–16 mm;

stamens free;

filaments bearded.

3–4 mm.

5–6 mm.

1.5–2 mm;

hilum much shorter than seed.

2–3 mm;

hilum as long as seed.

= 12.