本篇介绍英国皇家园艺学会已在生产上试用的品种系列葛兰姆·克拉克近期研究的两个品种:高山铁线莲和长瓣铁线莲。高山铁线莲、长瓣铁线莲这两个品种是欧洲及中国地区的原生品种。作为欧洲原生种的高山铁线莲具单瓣、下垂花,萼片4枚;而中国原生种长瓣铁线莲具半重瓣、下垂花。这两个品种(包括变种)花 This article describes two varieties recently studied by Graham Clarke, a series of cultivars that the Royal Society of Horticulture has tried to produce in the field: alpine clematis and long-leaved Clematis. Alpine Clematis, long-lobed Clematis these two varieties are native species in Europe and China. As a European native species of Alpine Clematis with a single flap, drooping flowers, sepals 4; while the Chinese native long-lobed Clematis with semi-double, drooping flowers. Both varieties (including varieties) flowers