It is incorrect that only stoma density and stomatic chamber size are used as xerophilous indexes.

单纯地把气孔密度、气室大小作为抗旱指标是不正确的。

Intraspecific nucleotide polymorphism in the drought induced transcription factor CBF4 region of Arabidopsis thaliana was analyzed with 17 core accessions growing in different ecoclimate.

摘要 以长于不同气候条件下的17个拟南芥态型为材料，分析了它们的抗旱转录因子CBF4 基因区域的列多态性。

Celt section of race is more , mark of umbrella-type section , slender acanthopanax section , the composite family , red-spotted stonecrop section, and kingcup section etc.

本草凯尔特族属多年宿根性草本植物，最于第三纪，分布范围较广，长期居住于泥地中。有较高环境适应能力与繁殖能力外，还具较高的抗旱能力。