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紫叶加拿大紫荆原产美国,是加拿大紫荆(Cercis canadensis)的一个变种,叶色春、夏、秋三季均为亮丽的紫红色,冬季落叶。分布区域:4～9区。形态:豆科紫荆属(Cercis canadensis‘Forest Pansy’)落叶大灌木或小乔木,株高6～9米,树冠开张,平顶或圆形,冠幅可达9米,根据需要可培养成多干型、双干型或独干型,树干光滑,棕黑色。单叶互生,全缘,心形,在花后展开,叶片亮红色。春季开粉红色的花朵,花着生在树干上,开花时整个枝干呈粉紫色,花期4～5月。夏季结果,果实红褐色,荚果较扁平,长5～10厘米,宽1～1.5厘米,常经冬不落。对氯气有一定抗性,滞留尘埃的能力也强。习性:喜全光照或略遮荫。幼树适宜栽在潮湿而排水好的土壤中,到成熟时,则应换到较为干燥的土壤条件下。对土壤酸碱度要求不是很严格,酸性、碱性或稍粘重的土壤均可。炎热、干燥(可以适当遮荫)和高度潮湿对它的生长都无明显影响。生长速度一般。
Purple leaf Canadian Bauhinia origin of the United States, is a variant of the Canadian Cercis (Cercis canadensis), leaf color spring, summer and autumn are bright purple, winter deciduous. Distribution area: 4 ~ 9 area. Morphology: Leguminosae (Cercis canadensis’Forest Pansy ’) deciduous shrubs or small trees, plant height of 6 to 9 meters, crown open, flat top or round, up to 9 meters in width, according to the need to cultivate more Dry, double dry or dry type, trunk smooth, brown black. Single leaf alternate, entire, heart-shaped, unfold after anthesis, leaves bright red. Spring pink flowers, flowers live in the trunk, flowering branches were pink purple, flowering from April to May. Summer results, reddish brown fruit, pods than flat, 5 to 10 cm long, 1 to 1.5 cm wide, often by the winter does not fall. Chlorine has a certain resistance, the ability to retain dust is also strong. Habits: hi full light or slightly shade. Saplings suitable for planting in the wet and well drained soil, to maturity, it should be switched to the more dry soil conditions. Soil acidity and alkalinity requirements are not very strict, acidic, alkaline or slightly sticky soil can be. Hot, dry (which can be properly shaded) and highly humid have no significant effect on its growth. General growth rate.