Nemastylis nuttallii

Nemastylis nuttallii
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Iridaceae
Genus: Nemastylis
Species:
N. nuttallii
Binomial name
Nemastylis nuttallii
Pickering ex R.C.Foster 1945

Nemastylis nuttallii, the Nuttall's pleatleaf, Ozark celestial-lily or pine woods lily, is a plant species native to Arkansas, Missouri and Oklahoma in the south-central United States. Some authors have mistakenly called this species N. coelestina.

Nemastylis nuttallii is a bulb-forming perennial herb up to 40 cm (3 feet) tall. Stems are usually unbranched. Leaves are very narrow and linear. Flowers are pale blue, opening in the evening.