Cardamine: a comparitive view

Cardamine is very much similar to a well known plant model organism that’s Arabidopsis thaliana since both belongs to the same family Brassicaceae or Mustard family: which includes Mustard, Cabbage, Reddish, turnip, Broccoli etc.

The word cardamine comes from the Greek worm Kardamine meaning water cress, water cress is a leaf vegetable, Cress:which can be eaten raw or as a salad.

Cardamine is widely available across the India but Arabidopsis is an European species, hence required the same environment to be cultured in India. Arabidopsis thaliana has it’s entire genome sequenced in 2001 and the genome of Cardamine hirsuta is also sequenced
http://chi.mpipz.mpg.de/download/nplants2016167-s1.pdf
“Reference 2016”
The Cardamine hirsuta genome offers insight into the evolution of morphological diversity.
by Angela Hay , Miltos Tsiantis & et. al. from Max Planck Institute for Plant Breeding Research, Germany

How Cardamine is similar and dissimilar to this well known Model system?..
Both Cardamine and Arabidopsis have Basal and Cauline leaves(leaves on upper surface of stem)
Both are the flowering plants and have four sepals, four petals and 6 stamens in the arrangement of 4+2 that’s 4 Inner longer and 2 outer short.Except C. hirsuta which has only 4 stamens, 2 outer stamens are lost.
Both have dry fruit.
Cardamine shows diversity in the leaf shape, Cardamine has compound leaves and Arabidopsis thaliana has simple leaves.

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Arabidopsis plant with simple leaves
Pic credit: @KiranyadavR
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Cardamine plants with Compound leaves
Pic Credit @saswathy679

Cardamine burst its seeds out from the yellow matured seed pods.
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Yellow matured seeds
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Cardamine seeds
Pic credit: @Arunan

Cardamine plants are found growing wild across India from Kerala to Jammu & Kashmir
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Map: to show CUBE Home Labs, where Cardamine plants were found growing and then cultivates at Home.

Story of CUBE Home Lab Moradabad
Cardamine plants were found growing across the roadside in Nainital Uttara Khand
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Cardamine plant growing along the roadside
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Growing on a rocky surface(Date: 17th November 2020)
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And these plants were then brought to Moradabad UP from Nainital and were replanted.
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Cardamine plants in CUBE Home Lab Moradabad(Date: 26th November 2020)
photo_2021-03-18_00-05-13 Date:08th December 2020
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Date: 27th December 2020, Evidence of Floral buds
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First opened flower (Date:31st December 2020)
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6 Stamens were found all are of equal length.
This picture was clicked by using phone microscopy technique, Can somebody guess what could be the actual size of this flower???..
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More bloomed Flowers (Date:4th January 2021)
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Close photo of the same.
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First Seed pod (Date:5th January 2021)
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Many seed pods (12th Jan 2021)
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(Date:26th Jan 2021)
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Matured seeds were harvested and were brought to HBCSE Mumbai.
Date:13th Feb 2021
Seeds were sown on 16th Feb 2021, Location CUBE HBCSE-TIFR Mumbai
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Seeds got germinated on 23rd Feb 2021
Location: CUBE Lab
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Emergence of Dicotyledonous leaves
(Date:24th Feb 2021)
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first Compound leaf with three leaflets
(Date:12Th March 2021)

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Great initiative, Kiran!
Arunan

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