摘要
该研究报道了河南省汝阳县境内伏牛山腹地海拔860 m的栓皮栎+鹅耳枥混交林(Quercus variabilis+Carpinus turczaninowii)下发现的杜鹃属(Rhododendron)白花杜鹃(R.mucronatum)的一新变型汝阳白杜鹃。新变型为落叶小灌木,在体态、花冠颜色与叶片性状上与白花杜鹃相近,区别在于该新变型花冠上部三花瓣裂片与花筒内具明显绿色斑点,且花萼边缘具长约2 mm的睫毛。此前,白花杜鹃在河南等长江以北地区未见有野生种群报道。
Rhododendron mucronatum(Blume) G.Don.f.ruyangense X.J.Zhou,f.nov.,a new form of Rhododendron L.(Ericaceae),was described and illustrated.It was found under the Quercus variabilis+Carpinus turczaninowii forest,at Funiu Mountain(Alt 860 m),Ruyang County,Henan Province,China.The new form is a small deciduous shrub.The corolla shape of the new form is similar to that of R.mucronatum,except the upper three petal lobes and the inner tube have obvious green spots,and the calyx margin has eyelashes about 2 mm long.Previously,no wild population of R.mucronatum has been reported in Henan and North of the Yangtze River.
作者
周晓君
卢晓玉
付鹏程
ZHOU Xiaojun;LU Xiaoyu;FU Pengcheng(School of Life Sciences,LuoyangNormal University,Luoyang,Henan 471934)
出处
《北方园艺》
CAS
北大核心
2020年第9期79-81,共3页
Northern Horticulture
基金
国家自然科学基金资助项目(31870697)
河南省自然科学基金资助项目(182300410085)。
关键词
新变型
杜鹃花科
白杜鹃
伏牛山
new form
Ericaceae
white azalea
Funiu Mountain
