Flora of North America species comparison

not brownish-tomentose.

unbranched or sparsely branched, 2–10 cm;

internodes pilose or villous.

often much branched distally, 15–60 cm;

internodes not at all to slightly glaucous, glabrous.

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, forming nearly right angle with stem, straight;

blade narrowly oblong-elliptic to linear-lanceolate, 4–11(–20) × 0.4–1.2 cm (distal leaf blades equal to or narrower than sheaths when sheaths opened, flattened), base often constricted, apex acuminate, not at all to slightly glaucous, glabrous.

terminal;

bracts foliaceous, ascending, pilose, margins sparsely ciliate.

terminal, often axillary;

bracts foliaceous.

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 0.8–1.5 cm, glabrous;

sepals 0.6–0.8 mm, glabrous or with apical tuft of eglandular hairs;

petals distinct, pale blue, ovate, not clawed, 1.3–1.5 cm;

stamens free;

filaments bearded.

4–6 mm.

2–5 mm.

2–3 mm;

hilum as long as seed.

2–3 mm.

= 24.

= 12.