english: The leaves are borne mostly in whorls of three (or in fours under the terminal bud) and have seven or nine slender, sharply serrated leaflets.
non_english: Â 1903:Â 20 Jan (ru);Â Â Â Â 17 Freb (ru);Â Â 18 Mar (ru);Â Â Â Â 21 Apr (ru);Â Â Â Â