Localities documented in Tropicos sources
Colombia (South America)
Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
- Flora of China Editorial Committee. 2011. Fl. China 19: 1–884. Science Press & Missouri Botanical Garden Press, Beijing & St. Louis. http://www.tropicos.org/Reference/100003187
- Idárraga-Piedrahita, A., R. D. C. Ortiz, R. Callejas Posada & M. Merello. 2011. Flora de Antioquia. Catálogo de las Plantas Vasculares, vol. 2. Listado de las Plantas Vasculares del Departamento de Antioquia. Pp. 1-939. http://www.tropicos.org/Reference/100008595
Evolution and Systematics
Tiny transparent capsules found on bladderworts trap small prey via a resettable, vacuum-driven mechanism.
"Bladderworts also thrive here [on the Roraima tepui]. They are water plants found in wetlands in many parts of the world, including Britain, and they are so successful in trapping animals that they do not grow roots of any kind. Their traps, the bladders from which they get their name, are tiny transparent capsules. Glands on the inner surface of these are able to absorb water, and in doing so create a partial vacuum within. Each has a tiny door fringed with sensitive bristles. If a small water creature, such as a mosquito larva, touches one of these, the bristle acts as a lever, slightly distorting the edge of the door so that it no longer fits tightly on the rim. Water rushes in, sweeping the door inwards and with it, the little organism that touched the hair. The swirl of water within the capsule pushes the door back again and the prey is imprisoned. The whole action is completed within a fraction of a second. Once again, the glands start to suck out the water. Another set secretes digestive acids and the captive is killed, dissolved and consumed. The bladderwort has fed. Within two hours, the bladder's partial vacuum has been restored and the trap is reset." (Attenborough 1995:285-286)
Learn more about this functional adaptation.
- Attenborough, D. 1995. The Private Life of Plants: A Natural History of Plant Behavior. London: BBC Books. 320 p.
Molecular Biology and Genetics
Statistics of barcoding coverage
|Specimen Records:||198||Public Records:||160|
|Specimens with Sequences:||215||Public Species:||102|
|Specimens with Barcodes:||208||Public BINs:||0|
|Species With Barcodes:||103|
Locations of barcode samples
The genera Polypompholyx (two species of pink petticoats or fairy aprons) and Biovularia were formerly regarded as fourth and fifth members of this family. Biovularia has been subsumed into Utricularia, and Polypompholyx has been relegated to a subgenus of Utricularia. Placement of the family was previously in the Scrophulariales, which has been merged with Lamiales in the Angiosperm Phylogeny Group system.
One common trait found in several Lamiales families that may have led to carnivory is the secretion of proteinase mucilage through leaf surfaces. This mucilage is generally used to prevent insect predation by trapping and degrading potentially harmful insects. Interestingly, some research suggests these glands can quite easily shift their function from secretion to absorption. This shift may have first occurred in the most recent common ancestor (MRCA) of the Lentibulariaceae, introducing absorptive glands that provided additional macronutrients through trapped insects. The additional source of nutrients may have increased fitness of plants growing in low-nutrient habitats which eventually caused an embrace of carnivory. Further mapping of traits also suggests the MRCA was terrestrial and possessed a basal rosette composed of flat leaves and a primary root.
- Ellison, A. and Gotelli, N. (2009). "Energetics and the evolution of carnivorous plants-Darwin's 'most wonderful plants in the world'". Journal of Experimental Botany 60: 19–42. (abstract here).
- Jobson, Richard W., Playford, Julia, Cameron, Kenneth M. and Albert, Victor A. (2003). "Molecular Phylogenetics of Lentibulariaceae Inferred from Plastid rps16 Intron and trnL-F DNA Sequences: Implications for Character Evolution and Biogeography". Systematic Botany 28: 157–171. (abstract here).
- K. Müller, T. Borsch, L. Legendre, S. Porembski, I. Theisen and W. Barthlott (2004). "Evolution of Carnivory in Lentibulariaceae and the Lamiales". Plant Biology (Stuttgart) 6 (4): 477–490. doi:10.1055/s-2004-817909. PMID 15248131. (abstract here).
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