Nuttallia
nuda or Mentzelia nuda
(Bractless Blazingstar)
Family:
Loasaceae
(Loasa)
Flowers of Nuttallia nuda
have ten non-overlapping petals and numerous long stamens. Flowers open in late
afternoon. Nuttallia nuda is a common plant on dry, sandy plains sites.
Compare to Nuttallia decapetala.
N. decapetala has larger flowers with yellow stamens and petals
that sometimes overlap. Leaves of N. decapetala are often more deeply
lobed.