Drosera glanduligera

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Drosera glanduligera
File:Drosera glanduligera NE Tasmania.jpg
Drosera glanduligera growing on the foothills of Mount Cameron, in northeastern Tasmania, Australia
Scientific classification
Kingdom:
(unranked):
(unranked):
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Order:
Family:
Genus:
Subgenus:
Coelophylla

(Planch.) Schlauer
Species:
D. glanduligera
Binomial name
Drosera glanduligera
Synonyms

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Drosera glanduligera, the pimpernel sundew,[1] is a rosetted annual species in the carnivorous plant genus Drosera that is endemic to Australia. It is 2.5–6 cm (1–2 in) tall and grows in most soil conditions. It produces orange flowers from August to November. It was originally described in 1844 by Johann Georg Christian Lehmann.[1] It is the sole species in the subgenus Coelophylla, which Jan Schlauer elevated from section rank in 1996; it was originally described by Jules Émile Planchon in 1848.[2]

Distribution

Drosera glanduligera is native to Tasmania and south western and south eastern Australia where it is often locally abundant.[3]

Biology

Drosera glanduligera is an annual plant that grows in the winter. Germination of the seeds requires cold temperatures. Young plants eat springtails while larger plants eat flies.[3]

The trapping mechanism of this species is unique in that it combines features of both flypaper and snap traps; it has been termed a catapult-flypaper trap.[4] Non-flying insects trigger this catapult when certain plant cells break.[5] Then this process cannot be repeated until the plant grows new tentacles.[5]

File:Drosera glanduligera catapulting tentacles capturing fruit flies.ogv
Drosera glanduligera capturing fruit flies using its catapulting tentacles
File:Drosera glanduligera snap tentacle bending - pone.0045735.s005.ogv
Slow motion video showing bending of a single snap-tentacle after manual stimulation with a nylon thread

See also

References

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  3. 3.0 3.1 Brittnacher, J. Growing Drosera glanduligera. International Carnivorous Plant Society. Retrieved on 29 Jan 2015
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  5. 5.0 5.1 Lua error in package.lua at line 80: module 'strict' not found.


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