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The 'Memory' of the Venus' Flytrap

June 1973

Authors:

Stephen E Williams

Lebanon Valley College

http://www.carnivorousplants.org/cpn/articles/CPNv02n2p23_25.pdf

Burdon-Sanderson and Page's 1876 Experiment. Burdon-Sanderson & Page (1876) Proc. Roy. Soc. 23. 148-151.

Brown's 1916 Experiment.

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Plant electrical memory

August 2008 · Plant Signaling & Behavior

Electrical signaling, short-term memory and rapid closure of the carnivorous plant Dionaea muscipula Ellis (Venus flytrap) have been attracting the attention of researchers since the XIX century. We found that the electrical stimulus between a midrib and a lobe closes the Venus flytrap upper leaf without mechanical stimulation of trigger hairs. The closing time of Venus flytrap by electrical ... [Show full abstract] stimulation is the same as mechanically induced closing. Transmission of a single electrical charge between a lobe and the midrib causes closure of the trap and induces an electrical signal propagating between both lobes and midrib. The Venus flytrap can accumulate small subthreshold charges, and when the threshold value is reached, the trap closes. Repeated application of smaller charges demonstrates the summation of stimuli. The cumulative character of electrical stimuli points to the existence of short-term electrical memory in the Venus flytrap.

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Stephen E Williams

http://www.carnivorousplants.org/cpn/articles/CPNv09n3p65_75_78.pdf http://www.carnivorousplants.org/cpn/articles/CPNv09n4p91_100.pdf

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A Salute to Sir John Burdon-Sanderson and Mr. Charles Darwin on the Centennial of the Discovery of N...

June 1973

Stephen E Williams

http://www.carnivorousplants.org/cpn/articles/CPNv02n3p41_43.pdf

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Dionaea muscipula chloroplast ribulosebisphosphate carboxylase (rbcL) gene, complete cds

September 1992

Stephen E Williams

On Mar 14, 2000 this sequence version replaced gi:451297.

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Mechanisms of trap movement I: Rapid growth in Drosera, Dionaea and scientific notions of how Venus'...

March 1992 · Carnivorous Plant Newsletter

Stephen E Williams

http://www.carnivorousplants.org/cpn/articles/CPNv21n1_2p14_17.pdf