Wetland and Aquatic Plants
of
Oklahoma
Interactive Keys: Emergent
Yellow Flowers
3. Flowers with highly-modfied five lobes
1. St. Johnswort (Clusiaceae)
2. Primroses (Primulaceae)
3. Buttercups
(Ranunculaceae)
Saint Johnswort
(Clusiaceae)
Dwarf St. Johnswort (Hypericum
mutilum L.)
Native perennial.
Click thumbnails to
enlarge
NWI
status: FACW
Loosestrife
(Primulaceae)
Loosestrife (Lysimachia
terrestris (L.) B.S.P.)
Native
perennial.
NWI
status: OBL
Buttercup (Ranunculaceae)
Mississippi
buttercup (Ranunculus
laxicaulis (Torr. & Gray) Darby)
Native perennial.
Note: Leaves are smooth (entire) or somewhat
toothed. Petals greater than 1/4".
NWI
status: OBL
Low
spearwort (Ranunculus
pusillus Poir.)
Native annual.
Note: Leaves are smooth (entire) or somewhat
toothed. Petals less than 1/4".
NWI
status: FACW+
Cursed buttercup (Ranunculus
sceleratus L.)
Native annual.
Note: Leaves are lobed. The
most common wetland buttercup in Oklahoma.
NWI
status: OBL
Last update: 2/25/04
Comments to : Bruce Hoagland
bhoagland@ou.edu
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