emergent
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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

Hypericum mutilum map                              Hypericum mutilum

NWI status: FACW

Loosestrife (Primulaceae)

Loosestrife (Lysimachia terrestris (L.) B.S.P.) 
Native perennial.

Lysimachia terrestris map                          Lysimachia terrestris

NWI status: OBL

Buttercup (Ranunculaceae)

Mississippi buttercup (Ranunculus laxicaulis (Torr. & Gray) Darby) 
Native perennial.

Ranunculus laxicaulis map                            Ranunculus laxicaulis

Note: Leaves are smooth (entire) or somewhat toothed.  Petals greater than 1/4".

NWI status: OBL

Low spearwort (Ranunculus pusillus Poir.) 
Native annual.

Ranunculus pusillus map                                       Ranunculus pusillus

Note: Leaves are smooth (entire) or somewhat toothed.   Petals less than 1/4".

NWI status: FACW+

Cursed buttercup (Ranunculus sceleratus L.) 
Native annual.

Ranunculus sceleratus map                               Ranunculus sceleratus

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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