varietas

The paper reports 12 species and 7 varietas of wild woody plants recorded firstly in Henan province. The paper also reports their morphological identification characters, producing areas, habitats and main uses of some species ( varietas).

本文报道了近年来新发现的河南野生木本植物资源12种7变种，并分别介绍了其形态识别特征、产地、生境及部分种（变种）的主要用途。

At the same time, study the survival rate of cuttings and the leaf shape variation of survival plant through different concentration of Colchicine solution dealing with different varietas or ecotypes of Rosa multiflora cuttings.

同时通过用不同浓度的秋水仙素溶液对七姊妹、中国无刺野蔷薇和日本无刺野蔷薇插条进行处理，研究插条的成活率、成活植株叶片的外部形态变化。

China is one of primary center of apricot domestication in the world, owning very abundant germplasm resources of apricot. There are about 3000 apricot in the world and 2000 in china, comprising 9 varietas and 13 variety.

我国是世界栽培杏的原生起源中心之一，其拥有的杏种质资源十分丰富，全世界杏品种有3000余个，其中我国杏有9个种，13个变种，约2000个品种和类型。