Wetland and Aquatic Plants
of
Oklahoma
Interactive Keys: Emergent
White Flowers
2.
Flower with 3 highly modified petals
a. Habenaria spp.
b. Platanthera spp.
c. Spiranthes spp.
Orchids (Orchidaceae)
Waterspider bog orchid (Habenaria repens
Nutt)
Native perennial.
Click thumbnails to enlarge
NWI status: OBL
Green-fringed orchid (Platanthera
lacera
(Michx.) G. Don)
Native perennial
Note: This species is pollinated by the sphinx
moth.
NWI status:
FACW
Ladies'-tresses (Spiranthes spp.)
Marsh
ladies’-tresses (Spiranthes odorata
(Nutt.) Lindl.)
Native perennial
Note: Lip of the flower tends to be constricted
about the
middle. All are pollinated by
bumblebees.
NWI status:
OBL
Nodding
ladies’-tresses (Spiranthes cernua
(L.) L.C. Rich.)
Native perennial
Note: Lip of the flower tapers toward the rear.
NWI status:
FACW
Last update: 2/10/04
Comments to : Bruce Hoagland
bhoagland@ou.edu
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