二月兰又名诸葛菜或菜子花,为十字花科诸葛菜属,二年生草本花卉。二月兰是北方地区不可多得的早春观花地被植物,广泛分布于我国东北、华北地区,遍及北方各省市,常野生于平原、山地、路旁、地边或杂木林缘。由于本物种在部分地区由人工引种作为观赏植物栽培,因而一定程度上扩大了本物种的分布范围。形态特征:二月兰株高20—70厘米,茎直立且仅有单一茎。叶有时变化大,基生叶和下部茎生叶大头状羽裂,上部茎生叶无柄,长圆形,基部耳状抱茎,总状花序顶生。花色为浅蓝色和蓝色,花径2厘米,花期4—5月份,果期5—6月份。果 February orchid, also known as Zhuge Cai or rapeseed, for the cruciferous Otellini, biennial herbaceous flowers. February Lan is rare in the north of the early spring flowers ground cover, widely distributed in northeast and north China, all over the northern provinces and cities, often wild in the plains, mountains, roadsides, edge of the edge of the edge of the wood or mixed. As the species in some areas by artificial introduction as ornamental plant cultivation, which to some extent expanded the distribution of the species. Morphological characteristics: February blue plant height of 20-70 cm, stems erect and only a single stem. Leaves sometimes vary widely, basal leaves and lower stem leaves large-headed feather, upper stem leaves sessile, oblong, base auricles, top racemes. Color is light blue and blue, flower diameter 2 cm, flowering April to May, the fruit period from May to June. fruit