Flora of North America species comparison

often much branched distally, 15–60 cm;

internodes not at all to slightly glaucous, glabrous.

2-ranked;

blade lanceolate-elliptic to ovate-lanceolate, 2.5–5 × 1–2 cm (distal leaf blades wider or narrower than sheaths when sheaths opened, flattened), margins ciliolate, apex acute, glabrous.

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, becoming leaf-opposed, sometimes axillary from distalmost leaf axil, 1–2 cyme pairs per stem;

bracts mostly foliaceous, occasionally reduced.

terminal, often axillary;

bracts foliaceous.

distinctly pedicillate;

pedicels 1–1.5 cm, glandular-pilose;

sepals 5–7 mm, midrib pilose with eglandular hairs;

petals distinct, white, not clawed, 8–9 mm;

stamens free;

filaments white, densely bearded with white hairs.

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.

2–5 mm.

2–3 mm.

= 12.