3. Nemastylis Nutt. (celestial lily)
Plants with ovoid to subglobose bulbs. Aerial stems 12–40 cm long, erect or ascending,
circular in cross-section. Leaves few, linear, the leaf blades folded
longitudinally near the base, becoming flat or corrugated along the veins in
the apical 2/3–3/4. Inflorescences 1–3 per aerial stem from the upper leaf
axils, long-stalked, each with 1–2 flowers enclosed by a pair of spathelike,
herbaceous bracts. Flowers with stalks 12–35 mm long. Perianth spreading, light
blue to bright blue, usually with a well-developed white or light yellow “eye”
at the base, the sepals and petals similar and fused at the bases, elliptic
with the tips rounded or somewhat pointed, the petals slightly shorter than the
sepals. Style short, deeply 3-lobed, each lobe again deeply 2-lobed, linear.
Capsules 10–20 mm long. Five species, U.S., Mexico.