This beautiful xeric graminean steppe
species was firstly discovered in Dobrudja and it is one of the most
typical west Pontic elements.
Pictures taken from Capul Dolojman natural
reservation area, Tulcea county on 8th of August 2006. A lot of them
focuses on comparison between Agropyrin brandzae and
Agropyron cristatum ssp. pectinatum. The two taxa though have clear different
ecological features meet one each other frequently without any
intergrading so they are different species not subspecies as in the
formal opinion of Flora
Europaea. Therefore we agree with the opinion of the Romanian authors
i.e. Ciocarlan (2000) that this is an independent species. However
the indication in the same keybook that the species would be a local
endemic of the Alah-Bair natural reservation area, Constanta county
seems not to be true, the species is much widespread in west
Pontic areas on dry rocks in Romania, Bulgaria and Odessa region.
However in the same work cited above it is
said that Agropyron brandzae Pantu et Solacolu is an
intensely glaucous pruinose plant with short auriculae attached to
the ligula which never get overimposed and the sheath of the sterile
shoots glabrous on its external side, while Agropyron ponticum
Nevski is a
purely green non-pruinose plant with long auriculae attached to the ligula
which can overlap and the sheath of the sterile shoots is
ciliate on its external side. Thus the conclusion would be that
Agropyrin brandzae is a very local endemic of Allah Bair
area while Agropyron ponticum is the species widespread on
the rocks of Dobrudja. However the latter species in the Flora
Europaea database is endemic to Krym peninsula while Agropyron
brandzae is the taxon widespread in the west Pontic region.
We were not aware at the time we made the
photographs about this dispute but we can see in one of the
images here presented that the plant photographed at Dolojman
Cape is intensely glaucous. Further studies upon a lot
of populations from the rock dry vegetation of Dobrudja
are needed to solve this problem.
Capul
Dolojman, Tulcea county, August 2006
dr. Alexandru Badarau, alexandru@transsilvanica.com
This is a comparison between the xeric
saxicole species Agropyron brandzae (to the left) and the steppe
grassland xeric element Agropyron cristatum ssp. pectinatum (to the
right) in order not to mistake one for the other.
This is a comparison between the xeric
saxicole species Agropyron brandzae (to the left) and the steppe
grassland xeric element Agropyron cristatum ssp. pectinatum (to the
right) in order not to mistake one for the other.
This is a comparison between the xeric
saxicole species Agropyron brandzae (to the left) and the steppe
grassland xeric element Agropyron cristatum ssp. pectinatum (to the
right) in order not to mistake one for the other.
This is a comparison between the xeric
saxicole species Agropyron brandzae (to the left) and the steppe
grassland xeric element Agropyron cristatum ssp. pectinatum (to the
right) in order not to mistake one for the other.
This is a comparison between the xeric
saxicole species Agropyron brandzae (to the left) and the steppe
grassland xeric element Agropyron cristatum ssp. pectinatum (to the
right) in order not to mistake one for the other.
This is a comparison between the xeric
saxicole species Agropyron brandzae (to the left) and the steppe
grassland xeric element Agropyron cristatum ssp. pectinatum (to the
right) in order not to mistake one for the other.
In the picture above you can clearly see that
the plant from Dolojman Cape is not green but intense
glaucous-pruinose despite the high degree of withering due to the
late summer taking of the picture.
Picture from Cotu Vaii area, Constanta
county taken on 7th of August 2006
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