摘要
绞股蓝的花梗只有1条中央维管束,在花托还出现周围的5条,中央维管束进入雌蕊(或雄蕊)时分支,周围的维管束进入花萼和花瓣时分支。花瓣的上、下表皮都有膨大的泡状细胞和泡状毛。花粉粒圆球形,具3孔沟,子房3室,每室1胚珠,珠被2层。种子表面有瘤状花纹,侧面有纵沟;种皮的表皮细胞乳突状,厚壁化;胚的子叶肥厚,胚芽没有分化。
The pedicel of Gynostemma pentaphylluin possesses only 1 vascular bundle at centre, but 5 more around it at the receptacle.Of which the centre one branched when it got into pistils (or stamens), and the around five branched when they got into sepals and petals.On both epidermis of petals there are bulliform cells and dulliform hairs.The pollen grain has trico-lporate. Ovary 3-chambered, each chamber with 1 ovule.The surface of the seed appears tuberculate, and on both laterals there are canals. The epidermis cells of the testa is nipple like, wall thick. The cotyledons of the embryo is thick and fresh, plumule presents differentiation.
出处
《贵州农业科学》
CAS
1991年第5期19-22,共4页
Guizhou Agricultural Sciences
关键词
绞股蓝
形态
解剖
生殖器官
Gynostemma pentaphyllum
reproductive organ
anatomical character
bulliform cell
