Utricularia gibba L.
humped bladderwort
Lentibulariaceae (Bladderwort family)
Introduction to Vascular Plants
humped bladderwort
Lentibulariaceae (Bladderwort family)
Introduction to Vascular Plants
Species Information
General:
Perennial aquatic herb without roots; stems very slender, floating, submerged or creeping along the bottom, up to 25 cm long.
Leaves:
Stem leaves alternate, numerous, 0.3-1 cm long, threadlike, either undivided or with 1-2 segments, the margins glabrous; valve-lidded bladders 1-2, borne on the leaves, 1-2 mm wide, these trap small, aquatic animals; winter buds lacking.
Flowers:
Inflorescence of 1-3 flowers in lax racemes at the end of stalks; corollas yellow, the spurs broadly cone-shaped but shorter than the lower lips, the lower lips broad, flat, saddle shaped; bracts without ear-like lobes.
Fruits:
Capsules, stalks erect; seeds winged.
Illustration
If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.
Illustration Source: The Illustrated Flora of British Columbia
Ecology
Ecological Framework for Utricularia gibba
The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)
The table below shows the species-specific information calculated from
original data (BEC database) provided by the BC Ministry of Forests and Range.
(Updated August, 2013)
| Site Information |
Value / Class |
||
|
Avg |
Min |
Max |
|
| Elevation
(metres) |
700 | 356 | 1045 |
| Slope
Gradient (%) |
0 | 0 | 0 |
|
Aspect (degrees) |
0 | ||
| Soil
Moisture Regime (SMR) [0 - very xeric; 4 - mesic; 8 - hydric] |
7 | 7 | 8 |
| Modal
Nutrient Regime
Class |
D | ||
| #
of field plots species was recorded in: |
9 | ||
| Modal
BEC Zone Class |
CWH | ||
|
All BEC Zones (# of stations/zone) species was recorded in |
CDF(3), CWH(4), ICH(1), IDF(1) | ||
|
Source:
Klinkenberg 2013
|
|||
Habitat and Range
Lakes and lake edges, and muddy disturbed sites in the lowland zone; infrequent on S Vancouver Island and the Vancouver area; S to most of eastern N America; S America and Africa.Status Information
Synonyms
Synonyms and Alternate Names:
Utricularia biflora Lam.
Utricularia fibrosa Walter
Utricularia obtusa Sw.
Utricularia pumila Walter