Stylisma aquatica
water southern morning-glory, water dawnflower
Family
Convolvulaceae
Leaf Arrangement
alternate
Leaf Attachment
petiolate, sessile
Leaf Margin
entire
Leaf Type
simple
Leaf Shape
oblong, elliptic, lanceolate
Growth Form
forb, vine
Flower Color
blue, pink, purple
Flower Month
May - July
Height (meters)
0.5 - 2.0
Milky Sap
No
Armed/Unarmed
Unarmed
Origin
native
Lifespan
perennial
Growing Season
Cool season
Wetland Class
FACW
Prairie Coefficient of Conservatism
8
Field Characters
Members of the genus Stylisma may be confused with members of the genus Evolvulus. Stylismas have globose to flat-topped stigmas that are as broad as they are long, while Evolvulus have linear or oblong stigmas that are over twice as long as they are broad.
Natural History
A rare plant in Louisiana and Texas. In Louisiana's coastal prairie it was known from only one railroad remnant that has since been regarded for drainage. Found in sandy, open ground, especially in damp places, from North Carolina, south to Florida and west to Texas.
Habitat
Sandy open ground, especially damp places.