Herbs have higher leaf N and P and lower C than woody plants;conifers are significantly lower in leaf N(or higher in leaf C),compared with broadleaves,but there is no significant difference in leaf P between the two growth-forms.
草本相比于木本植物具有高叶N(P)低C的特点,而针叶树的叶N(C)显著低于(高于)阔叶树,但二者P含量没有显著差异。
参考来源 - 北京及周边地区植物叶的碳氮磷元素计量特征According to Bract Scale and Seed Scale Complex(BSSC) theory and the observation results in this experiment, the author considers that the Gnetum genus belongs to the evolvement line ofBSSC. and is more closer to conifers than other seed plant.
5、根据苞鳞-种鳞复合体理论，结合本文的观察结果，作者认为买麻藤属植物是苞鳞-种鳞复合体演化线上的成员，与松杉类植物的关系比较近。
参考来源 - 买麻藤的胚胎学研究·2,447,543篇论文数据，部分数据来源于NoteExpress
N-COUNT Conifers are a type of trees and shrubs such as pine trees and fir trees. They have fruit called cones, and very thin leaves called needles which they do not normally lose in winter. 针叶树
In western North America, most have been replaced by monocultures of fast-growing conifers.
在北美西部，大多数农业活动已被速生针叶树的单一栽培所取代。
For many trees—evergreen conifers being an exception—the best strategy is to abandon photosynthesis until the spring.
对于许多树木来说——常绿的针叶树是一个例外——最好的策略是在春天之前放弃光合作用。
Insects and even small invertebrates have been found preserved in the hardened resins of conifers and certain other trees.
人们在针叶树和某些其它树木的硬化树脂中发现了昆虫，甚至发现了小型无脊椎动物。
应用推荐