摘要
对山东广义苦荬菜属植物叶表皮微形态进行了光镜下的观察研究。结果表明:山东广义苦荬菜属9种植物叶表皮微形态可分为四种类型:(1)小苦荬型:上、下表皮均有气孔器,气孔器为不规则型,偶有非典型不等型,上、下表皮细胞为不规则形,垂周壁波状;(2)黄瓜菜型:上表皮无气孔器,下表皮气孔器为不规则型,偶有非典型不等型,上、下表皮细胞为不规则形,垂周壁深波状;(3)沙苦荬型:上、下表皮均有气孔器,气孔器为不规则型,偶有非典型不等型,上、下表皮细胞为多边形,垂周壁平直、弓形;(4)苦荬菜型:上、下表皮均有气孔器,气孔器为不规则型,偶有非典型不等型,上表皮细胞为不规则形,垂周壁波状,下表皮细胞为多边形,垂周壁弓形;与中国植物志把广义苦荬菜属划分为4个属的意见相一致。
Theepidermal micro-morphology of the genus Ixeris （Compositae） from Shandong was examined with the lighe mictoscope（LM）. The results show that the leaf epidermal micro-morphology of Ixeris （Compositae） from Shandong could, be divided into four types; （1）Ixeridium type：the stomata present on both adaxial epidermis and abaxial one, the stomatal type are anomocytic, rarely non-typical anisocytic, the adaxial and abaxial epidermal cells are irregular in shape, and the anticlinal walls are sinuate. （2）Paraixeris type： the stomata present on both adaxial epidermis and abaxial one, the stomatal type are anomocytic, rarely non-typical anisocytic, the adaxial and abaxial epidermal cells are polygonous in shape,and the anticlinal walls are sinuous. （3）Chorisis type：the stomata present on both adaxial epidermis and abaxial one, the stomatal type are anomocytic, rarely non-typical anisocytic, the adaxial and abaxial epidermal cells are polygonous in shape, and the anticlinal walls are straight to curved. （4）Ixeris type; the stomata present on both adaxial epidermis and abaxial one, the stomatal type are anomocytic, rarely non-typical anisocytic, the ad-xial epidermal cells a ecr-egular and abaxial epidermal cells are polygonous in shape, and the anticlinal walls are sinuate to curved. It is in agreement with the treatment that 4 genera could be divided in the genus Ixeris in Fl. R. P. S.
出处
《广西植物》
CAS
CSCD
北大核心
2007年第3期435-439,共5页
Guihaia
关键词
叶表皮
苦荬菜属
菊科
山东
leaf epidermis
Ixeris Cass. s. lat.
Compositae
Shandong
作者简介
高召兰（1979-），女，山东临沂市人，硕士研究生，主要从事植物资源分类研究。
通讯作者，E-mail：lifz@sdnu．edu．cn
