Thanks a lot, Chris ji
--
With regards,
J. M. Garg
---------- Forwarded message ---------
From: Chris Fraser-Jenkins <>
Date: Sun, 2 Apr, 2023, 21:20
Subject: Re: [efloraofindia:445053] Fwd: Flora of Chakrata Part-2:
Equisetum from tiger fall Chakrata
To: J.M. Garg <[email protected]>
Well it's only close to E. arvense in that this species is related to E.
arvense. But this is the well known E. diffusum, distinguished from E.
arvense by having monophyadic stems, i.e. fertile stems are green (with
chlorophyll) and develop branches. E. arvense has two types of stem
(diphyadic), the early season fertile ones, being brown, without
chlorophyll or branches and with short stems and wide, loose sheaths on
them. After that the completely sterile green trophic stems appear and
have whorls of branches.
I think E. arvense is a development from E. diffusum in adaptation to cold
northern climates (it also occurs up very high in the West Himalaya). E.
diffusum occurs throughout the temperate Himalaya at medium altitudes.
I have actually treated E. arvense as a subspecies of E. arvense, and
prefer to keep them at subspecific rank.
Best wishes,
Chris Fraser Jenkins.
On Sunday, 2 April 2023 at 11:29:49 BST, J.M. Garg <[email protected]>
wrote:
I feel it appears close to images at *Equisetum arvense* L.
<https://efloraofindia.com/2011/02/27/equisetum-arvense/>
---------- Forwarded message ---------
From: *JM Garg* <[email protected]>
Date: Sun, 2 Apr 2023 at 15:58
Subject: [efloraofindia:445053] Fwd: Flora of Chakrata Part-2: Equisetum
from tiger fall Chakrata
To: efloraofindia <[email protected]>
---------- Forwarded message ---------
From: Balkar <[email protected]>
Date: Wednesday, 26 October, 2011 at 3:37:58 pm UTC+5:30
Subject: Flora of Chakrata Part-2: Equisetum from tiger fall Chakrata
To: indiantreepix <[email protected]>
Dear All
Equisetum from tiger fall Chakrata
Thanks
--
Regards
Dr Balkar Singh
Head, Deptt. of Botany and Biotechnology
Arya P G College, Panipat
Haryana-132103
09416262964
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