The majority of damask rose flower in spring, but some varieties bloom in autumn. Do you know them? What are their origin?
I know Dr. Reza Tabai aghdai in research Institute of Forests and Rangelands of Iran, has worked on R. damasena genotypes fore several years. I think he can reply to your question preciously.
hi, i know some imported varieties, bloom in autumn. Dr aghdaei worked on native varieties.
R. damascena ‘bifera’ (syn. ‘Quatre Saisons’, ‘Autumn damask’ or 'semperflorens’) and 'Quatre Saisons Blanc Mousseux' (syn. ‘Perpetual White Moss’ or ‘Rosier de Thionville’) are two classic Autumn Damasks that have a second blooming in autumn. Rosa x damascena ‘Quatre Saisons Blanc Mousseux’ is a sport or bud mutation of R. damascena ‘bifera’ [see: Caissard et al (2006) and references therein: http://aob.oxfordjournals.org/content/97/2/231.full.pdf+html ].
Here are the flowers of the same plant in Autumn-Winter. Is not obvious now that it is Autumn Damask rose?
hi
we can't recognize easily. we have to consider morphological characters and compare with taxonomy key. but , usually, these roses are fragrant, and also dried petal save their smell. if you extract essential oils of them, you can recognize according to components of essence.
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