Ipomoea acanthocarpa

[dr.rakesh Singh]

Finally it got its name ! 

Iomoea acanthocarpa , synonym Ipomoea piurensis 

Collected from roadside bushes just outside Surat City , Gujarat 

on the morning of 02 10 2019 , first flowers of this season . 

This year it flowered late . it is an annual vine , spreads along ground , climbs nearby vegetation , fences , may be upto 4-5 meters . 

Seedlings appear after first rains , and vine dies by end of November . 

It has been reported from MH and other states of South India . 

Stem is red , has shallow longitudinal grooves and is Tuberculated .

Leaf is never lobed , has red veins . Calyx small , about 6mm , outer two tuberculated . Non hairy . 

Petiole longer , peduncle to inflorescence shorter , emerging from leaf axil . 

Inflorescence a short cyme of usually 3 buds , not all reach flowering stage . 

Flowers open up in morning , wither by noon . 

Capsule usually about 1 cm dia , spherical or short spindle , style persistent , spiny . 3mm , dehiscent by multiple longitudinal splits . 

Calyx persists , not appressed , 

Testa covered in long soft wavy white hairs . 

[dr.rakesh Singh]

More images

[Dinesh Valke]

Thanks very much Rakesh ji, I will revise labels of this plant in my collection.

Regards.

Dinesh

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[J.M. Garg]

Thanks, Rakesh ji, for the such wonderful presentation. 

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With regards,
J. M. Garg

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[Saroj Kasaju]

Nice presentation Dr. Singh!

Thank you.

Saroj Kasaju

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[dr.rakesh Singh]

For sake of completion , attaching few old images , recorded in Sept - Oct 2017

Tuberculated stem , petiole . 

Sort peduncle , long petiole , few flowered short cyme ( maximum 4 I have seen ). 

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Limb diameter 3.5 cm , corolla length 3 cm . Note the color too .

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Calyx 

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Fruit Capsule 

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Seed , long wavy soft hair covered testa .

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And last , the peep show .......peduncle being shorter , flowers small ......they remain hidden beneath leaves , peep .........

 [ Uploading so many images , I hope I am not breaking any limit . Please pardon me if I am .  ]

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[J.M. Garg]

Thanks a lot, Rakesh ji, for additional presentation. 

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J. M. Garg

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