Spermatophytes (seed plants): Angiosperms (flowering plants): Eudicots: Core Eudicots: Asterids: Lamiids: Lamiales
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Utricularia radiata
FAMILY
Lentibulariaceae
Go to FSUS key
Dig deeper at SERNEC, a consortium of southeastern herbaria.
Read more about Small Swollen Bladderwort at Vascular Plants of North Carolina.
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Utricularia radiata
FAMILY
Lentibulariaceae
SYNONYMOUS WITH VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 170-02-005b:
Utricularia inflata var. minor FAMILY Lentibulariaceae
SYNONYMOUS WITH Manual of the Southeastern Flora (Small, 1933, 1938)
Utricularia radiata
COMMON NAME:
Small Swollen Bladderwort, Floating Bladderwort, little floating bladderwort
To see larger pictures, click or hover over the thumbnails.
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JK Marlow jkm230331_2255
March Spartanburg County SC
Leaves normally submersed, divided into alternate segments with lateral bladder-like traps, per Weakley's Flora (2022).
)
Keith Bradley kab_u_radiata_06387
March Collier County FL
Floats fused basally to one another, cylindrical, ± parallel-sided through most of their length, per Weakley's Flora (2022).
)
Sam Pratt sbp_dscf3704
May Spartanburg County SC
Peduncle w whorl of inflated leaf-like cylindrical organs (floats); 3-4 (1-7) flowers per scape, per Weakley's Flora (2022).
)
Sam Pratt sbp060521_image0
June Spartanburg County SC
Plants floating unattached in water, per Weakley's Flora (2022).
)
Sam Pratt sbp060521_image2
June Spartanburg County SC
WEAKLEY'S FLORA OF THE SOUTHEASTERN US (4/24/22):
Utricularia radiata
FAMILY
Lentibulariaceae
SYNONYMOUS WITH
PLANTS NATIONAL DATABASE:
Utricularia radiata
FAMILY
Lentibulariaceae
SYNONYMOUS WITH
VASCULAR FLORA OF THE CAROLINAS (Radford, Ahles, & Bell, 1968) 170-02-005b:
Utricularia inflata var. minor
FAMILY
Lentibulariaceae
SYNONYMOUS WITH
Manual of the Southeastern Flora (Small, 1933, 1938)
Utricularia radiata
4013
Floating aquatic (without true roots); Forb
Annual/Perennial
Habitat: Ponds, depression ponds, lakes, and ditches, per Weakley's Flora
Native to the Carolinas & Georgia
Uncommon in Coastal Plain, rare in Mountains
CLICK HERE to see a map, notes, and images from Weakley's Flora of the Southeastern US.
LEAVES:
Simple: dissected into linear segments
Whorled & alternate
FLOWER:
Spring/Summer/Fall
Yellow
Bilaterally symmetrical
2-lipped calyx
2-lipped 5-lobed corolla (usually)
2 fertile stamens, occasionally 2 staminodia
Superior ovary
Bisexual
FRUIT:
Spring/Summer/Fall
Brown
Capsule
TO LEARN MORE about this plant, look it up in a good book!
- Guide to the Wildflowers of SC, 2nd ed. (McMillan, Porcher, Rayner, & White; 2022) p411
- Guide to the Wildflowers of SC, 2nd ed. (McMillan, Porcher, Rayner, & White; 2022) p481
- Wildflowers of the Eastern United States (Duncan & Duncan, 1999) p095
- Field Guide to the Wildflowers of Georgia (Chafin, 2016) p249
- Wildflowers of the Sandhills Region (Sorrie, 2011) p283
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