111-TSP-ID-07OCT2016-3:Dendrobium sp @ Kottigehara-3 for ID

[tsp kumar]

Dear friends,

 

Kindly examine and identify this Dendrobium sp ( Orchidaceae).......I understand that Dendrobium heyneana,Dendrobium panduratum and Dendrobium wightii are strikingly similar to one another.I could not place them appropriately...!?

 

Habit:Herb

 

Habitat:Epiphytic, growing close to the ground on lower branches,Evergreen forest

 

Sighting:Kottigehara,Chikmagalur,Karnataka,about 1100 msl

 

Date:13-08-2016

 

Thanks and regards

tspkumar

[J.M. Garg]

Thanks, Kumar ji, for nice images.

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With regards,
J.M.Garg

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[tsp kumar]

My pleasure Garg ji

regards

[Dr Pankaj Kumar]

I will quote from Memoirs of Seidenfaden although I am not a big fan of this book:

"This species is often confused with D. wightii, but the lip characters (obovate pinkish with white 3-lobed, erect acute sidelobes with green striped and orbicular-oblong midlone, subrotund, fleshy, incise crenate on margin and mucronate at the apex; disc with longitudinal calli) and laterally compressed stems of D. heyneanum are very characteristic."

Now you plant shows all characters except the green markings on side lobes and I am not sure I do think there are two longitudinal calli on the lip. Hence this should be heyneanum.

But cant say that for sure. Cant see the stem.

Thanks and regards

Pankaj

[Dr Pankaj Kumar]

I will quote from Memoirs of Seidenfaden although I am not a big fan of this book:

"This species is often confused with D. wightii, but the lip characters (obovate pinkish with white 3-lobed, erect acute sidelobes with green striped and orbicular-oblong midlone, subrotund, fleshy, incise crenate on margin and mucronate at the apex; disc with longitudinal calli) and laterally compressed stems of D. heyneanum are very characteristic."

Now you plant shows all characters except the green markings on side lobes and I am not sure I do think there are two longitudinal calli on the lip. Hence this should be heyneanum.

But cant say that for sure. Cant see the stem.

Thanks and regards

Pankaj

On Friday, 7 October 2016 23:13:00 UTC+8, tsp kumar wrote:

[tsp kumar]

Thanks Pankaj ji
regards

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[Dr Pankaj Kumar]

Ok I am inclined to call this Dendrobium heyneanum. I see no hairs and then the margin is crenate.

Pankaj

[J.M. Garg]

Thanks, Pankaj ji

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With regards,
J. M. Garg

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