Flora of North America species comparison

not brownish-tomentose.

not brownish-tomentose.

unbranched or sparsely branched, 2–10 cm;

internodes pilose or villous.

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

internodes densely pilose to glabrescent.

spirally arranged, sessile;

blade dull green, linear-lanceolate, 5–33 × 0.3–1.2 cm (distal leaf blades equal to or narrower than sheaths when sheaths opened, flattened), margins sparsely ciliate, apex acute to acuminate, pilose.

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;

bracts foliaceous, ascending, pilose, margins sparsely ciliate.

terminal, rarely axillary;

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

distinctly pedicillate;

pedicels (2–)4–6 cm, pilose with glandular or glandular and eglandular hairs;

sepals suffused with pink to purple, 5–11 mm, pilose with glandular, eglandular hairs, glandular hairs numerous, conspicuous, longer hairs 1.5–6 mm;

petals distinct, rose to blue or purplish, broadly ovate, not clawed, 8–16 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.

4–6 mm.

5–6 mm.

2–3 mm;

hilum as long as seed.

2–3 mm;

hilum as long as seed.

= 24.

= 12.