OK.
Thought it may be of interest to some the information provided to me by Ray
Stephenson ofthe UK SEDUM SOCIETY:
Rhodiola were considered by Linnaeus to be separate from Sedum as the only
species then known had singl-sex flowers.Only as new species were discovered t
have relatively typical Sedum flowers did many taxonomists follow Scopoli
(1771)to place them all in Sedum - despite the fact all Rhodiola known at the
time were herbaceous and some species hadsunken ovaries (partially below the
line of petals).
In recent times the Linnaean classification has been more widely accepted due
to DNA studies (especially Ohba) showingRhodiola quite removed from Sedum
proper.
Telephium ws always a subgenus of Sedum (herbaceous + attenuate or stipitate
carpels). Unfortunately as the nameTelephium or a genus had been used illegally
by Hill (1756), a ne generic name was needed. This led to Hylotelephium -which
is much closer to Orostachys,Sinocrassula, Rhodiola, Phedimus and Pseudosedum
thanto Sedum proper.
Let us see what the decision is following the review....
Best Wishes,
Chris Chadwell
81 Parlaunt Road
SLOUGH
SL3 8BE
UK
www.shpa.org.uk
From: J.M. Garg <[email protected]>
To: "[email protected]" <[email protected]>
Cc: efloraofindia <[email protected]>; Ashwini Bhatia
<[email protected]>
Sent: Wednesday, 19 October 2016, 12:15
Subject: Re: [efloraofindia:253542] Re: Sedum ewersii ABOCT2016/07
Thanks, Chadwell ji,We can not reply on The Plant List Ver. 1.1 where data is
shown as being taken from WCSP (in review) as it is still under review.
This is the case here at The Plant List Ver. 1.1 link (The record derives from
WCSP (in review) (data supplied on 2012-03-23 ) which reports it as a synonym
with original publication details: Bot. Mag. (Tokyo) 90: 50 1977.)
On 13 October 2016 at 02:39, [email protected]
<[email protected]> wrote:
Yes, this is Sedum ewersii but I'm afraid there have been major taxonomic and
nomenclatural changes in Crassulaceae. Many higher mountainSedums are now
within the genus Rhodiola whilst this is now Hylotelephium ewersii (ledeb.)
H.Ohba - except I see this is not an accepted namewithin 'The Plant List', so
must check this out. It was the name used by Dickore & Klimes in their
checklist of Ladakh flora.
Stewart knew it as S.ewersii - a very common rock crevice plant, chiefly in the
temperate zone @ 1000, mostly 1500-4500m. It grows on the Rohtang Pass and
Iknow it from Ladakh.
Collet did not find it at Shimla but higher at Matiana and Narkunda.
'Flowers of Lahaul-Spiti' record it (as Hylotelephium) as common on rocks &
boulders.
I see there is Hylotelephium pakistanicum (G.R.Sarwar) G.R.Sarwar as an
accepted name - this does not gives H.ewersii as a synonym but when google
images is clicked various photos of the latter species appear along with a line
drawing of it! In FOP H.pakistanicum is separated on the basis of being
glandular-hairy (and some other minor characteristics). Would need to check
this further to see if such a separation is justified at species level?
See: https://sites.google.com/site/ efloraofindia/species/a---l/
cl/crassulaceae/hylotelephium/ sedum-ewersii
On Tuesday, October 11, 2016 at 3:38:47 AM UTC+1, ashwini wrote:
A friend sent me this yesterday. He found this above Triund on his way to Ilaqa
at about 3200m. I think this is Sedum ewersii. Please advise.
Sedum ewersiiTriund-Ilaqa, Dharamshala, HP3200m08-09 October 2016
Thanks.Ashwini
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