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The genus Utricularia contains the 200 or more species of bladderworts, belonging to the Bladderwort family (Lentibulariaceae).
 Lentibulariaceae - Utricularia humboldtii
Bladderworts occur all over the world. This is a strange genus, since the plants have no roots at all. Some have instead long branched stems or runners. Most species are aquatic or grow on wet soil. A few tropical species are epiphytic. Their labiate flowers vary in color, form and size.
This is a group of aquatic, epiphytic and terrestrial carnivorous plants that capture their prey by means of small bladderlike traps. The bladders may be microscopic, as in most terrestrial species, feeding on very small animals present in soil saturated with water. The bladders may be tiny, but they are most complex and ingenious.
However, in aquatic species such as Utricularia vulgaris, the bladders are large (up to 10 mm long) and feed on larger prey such as Daphnia and even small fish.
The bladder traps are primed with a partial vacuum, obtained by pumping water out of the bladder. This sucks in prey when they brush against trigger hairs connected to a small inward-opening trap-door. This whole process only takes ten to fifteen thousandths of second ! Enzymes are secreted to digest the prey and provide the plant with nutrients.
The name 'Utricularia' derives from the Latin word utricularius, which means : 'the master of a raft floated on bladders'
Species - Utricularia adpressa
- Utricularia albiflora
- Utricularia albocaerulea
- Utricularia alpina
- Utricularia amethystina
- Utricularia andongensis
- Utricularia antennifera
- Utricularia appendiculata
- Utricularia arcuata
- Utricularia arenaria
- Utricularia arnhemica
- Utricularia asplundii
- Utricularia aurea
- Utricularia aureomaculata
- Utricularia australis : Yellow Bladderwort Conservation status: Vulnerable
- Utricularia beaugleholei
- Utricularia benjaminiana
- Utricularia benthamii
- Utricularia bifida
- Utricularia biloba
- Utricularia biovularioides
- Utricularia bisquamata
- Utricularia blanchetii
- Utricularia bosminifera
- Utricularia brachiata
- Utricularia bracteata
- Utricularia bremii
- Utricularia breviscapa
- Utricularia buntingiana
- Utricularia caerulea
- Utricularia calycifida
- Utricularia campbelliana
- Utricularia capilliflora
- Utricularia cecilii
- Utricularia cheiranthos
- Utricularia chiakiana
- Utricularia chiribiquetensis
- Utricularia choristotheca
- Utricularia christopheri
- Utricularia chrysantha
- Utricularia circumvoluta
- Utricularia cornuta : Horned Bladderowrt Conservation status: Endangered
- Utricularia corynephora
- Utricularia costata
- Utricularia cucullata
- Utricularia cymbantha
- Utricularia delicatula Conservation status: Vulnerable
- Utricularia delphinioides
- Utricularia determannii
- Utricularia dichotoma
- Utricularia dimorphantha
- Utricularia dunlopii
- Utricularia dunstaniae
- Utricularia endresii
- Utricularia erectiflora
- Utricularia fimbriata
- Utricularia firmula
- Utricularia fistulosa
- Utricularia flaccida
- Utricularia floridana
- Utricularia foliosa : Humped Bladderwort, Conespur Bladderpod
- Utricularia forrestii
- Utricularia foveolata
- Utricularia fulva
- Utricularia furcellata
- Utricularia garrettii
- Utricularia geminiloba
- Utricularia geminiscapa
- Utricularia geoffrayi
- Utricularia georgei
- Utricularia gibba : Leafy Bladderwort
- Utricularia graminifolia
- Utricularia guyanensis
- Utricularia hamiltonii
- Utricularia helix
- Utricularia heterochroma
- Utricularia heterosepala
- Utricularia hintonii
- Utricularia hirta
- Utricularia hispida
- Utricularia holtzei
- Utricularia humboldtii
- Utricularia huntii
- Utricularia hydrocarpa
- Utricularia inaequalis
- Utricularia incisa
- Utricularia inflata : Swollen Bladderwort
- Utricularia inflexa
- Utricularia intermedia : Mountain Bladderwort, Flatleaf Bladderwort, Intermediate Bladderwort, Northern Bladderwort
- Utricularia involvens
- Utricularia jamesoniana
- Utricularia juncea
- Utricularia kamienskii
- Utricularia kenneallyi
- Utricularia kimberleyensis
- Utricularia kumaonensis
- Utricularia laciniata
- Utricularia lasiocaulis
- Utricularia lateriflora : Small Bladderwort
- Utricularia laxa
- Utricularia lazulina
- Utricularia leptoplectra
- Utricularia leptorhyncha
- Utricularia letestui
- Utricularia limosa
- Utricularia livida
- Utricularia lloydii
- Utricularia longeciliata
- Utricularia longifolia
- Utricularia macrocheilos
- Utricularia macrorhiza: Common bladderwort, (Brit.) Greater Baldderwort, Common Bladderpod, Hooded Water Milfoil, Popweed.
- Utricularia malabarica
- Utricularia mannii
- Utricularia menziesii
- Utricularia meyeri
- Utricularia microcalyx
- Utricularia micropetala
- Utricularia minor : Lesser Bladderwort Conservation status: Endangered
- Utricularia minutissima
- Utricularia mirabilis
- Utricularia monanthos : Purple Bladderwort
- Utricularia moniliformis
- Utricularia muelleri
- Utricularia multicaulis
- Utricularia multifida
- Utricularia myriocista
- Utricularia nana
- Utricularia naviculata
- Utricularia nelumbifolia
- Utricularia neottioides
- Utricularia nephrophylla
- Utricularia nervosa
- Utricularia nigrescens
- Utricularia ochroleuca
- Utricularia odontosepala
- Utricularia odorata
- Utricularia olivacea
- Utricularia oliveriana
- Utricularia panamensis
- Utricularia parthenopipes
- Utricularia paulineae
- Utricularia pentadactyla
- Utricularia peranomala
- Utricularia perversa
- Utricularia petersoniae
- Utricularia physoceras
- Utricularia pierrei
- Utricularia platensis
- Utricularia pobeguinii
- Utricularia poconensis
- Utricularia podadena
- Utricularia polygaloides
- Utricularia praelonga
- Utricularia praeterita
- Utricularia praetermissa
- Utricularia prehensilis
- Utricularia pubescens
- Utricularia pulchra
- Utricularia punctata
- Utricularia purpurea : Eastern Purple Bladderwort
- Utricularia purpureocaerulea
- Utricularia pusilla
- Utricularia quelchii
- Utricularia quinquedentata
- Utricularia radiata : Little Floating Bladderwort
- Utricularia raynalii
- Utricularia recta
- Utricularia reflexa
- Utricularia reniformis
- Utricularia resupinata : Resupinate Baldderwort, Small Purple Baldderwort, Lavender Bladderwort
- Utricularia reticulata
- Utricularia rhododactylos
- Utricularia rigida
- Utricularia salwinensis
- Utricularia sandersonii
- Utricularia sandwithii
- Utricularia scandens
- Utricularia schultesii
- Utricularia simplex
- Utricularia simulans : Fringed Bladderwort
- Utricularia singeriana
- Utricularia smithiana
- Utricularia spiralis
- Utricularia spruceana
- Utricularia stanfieldii
- Utricularia steenisii
- Utricularia stellaris
- Utricularia steyermarkii
- Utricularia striata
- Utricularia striatula
- Utricularia stygia
- Utricularia subramanyamii
- Utricularia subulata : Zigzag Bladderwort, Subulate Bladderwort
- Utricularia tenella : Pink Bladderwort Conservation status: Endangered
- Utricularia tenuissima
- Utricularia terrae_reginae
- Utricularia tetraloba
- Utricularia tortilis
- Utricularia trichophylla
- Utricularia tricolor
- Utricularia tridactyla
- Utricularia tridentata
- Utricularia triflora
- Utricularia triloba
- Utricularia troupinii
- Utricularia tubulata
- Utricularia uliginosa
- Utricularia uniflora
- Utricularia unifolia
- Utricularia violacea : Violet Bladderwort
- Utricularia viscosa
- Utricularia vitellina
- Utricularia volubilis
- Utricularia vulgaris : Common Bladderwort, Greater Bladderwort
- Utricularia warburgii
- Utricularia warmingii
- Utricularia welwitschii
- Utricularia westonii
- Utricularia wightiana
|  Bladderwort: Utricularia macrorhiza Le Conte |
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