论文部分内容阅读
钓钟柳是玄参科钓钟柳属(Penstemon)植物的俗称,全属植物约有250多个种,在约有3000多个种的玄参科大家庭中,还占不足1/3的份额,但却有着特殊的地位。它的产地主要分布在北美洲至中美洲墨西哥一带的广阔地区,主要是多年生草本,少数是灌木或一年生草本,各自都有着独特的观赏气质。它们在全北美几万种野生花卉中,以最丰富的自然色彩和广泛的适应性著称,并以多变的花形装饰着北美辽阔的草原、沙荒和山地,倍受当地人的喜爱。凶此,在20世
The fishing bell Liu is the common name for the plants of the genus Xylophylla Penstemon. There are about 250 species in all the genus of plants, accounting for less than 1/3 of the total number of Xuan Sen family in about 3000 species , But it has a special status. Its origin is mainly distributed in the vast area of North America to Central America, Mexico, mainly perennial herbs, a few are shrubs or annual herbs, each with a unique ornamental temperament. Of the tens of thousands of wild flowers throughout North America, known for its richest natural colors and extensive adaptability, they are adorned with locals’ favorite grassland, desert and mountain ranges in a variety of floral shapes. Fierce this, in the twentieth Century