1 Stamens 4, distinct; pistillate ca. 1 cm, densely pilose.

2 Flowers unisexual. Stamens and staminodes of pistillate flower all glabrous.

3 By the analysis on progeny obtained from different crossing designs in single pistillate castor-oil plants, it is determined that single pistillate character is controlled by nucleus genes.

4 Most of them are bisexual flower(45 strians), a few are pistillate flower (9 strians), with white corolla. Allare entire leaf plant.

5 The typical herbal form of cannabis consists of the flowers and subtending leaves and stalks of mature pistillate of female plants.

6 On the basis of genetic feature of pistitlate castor-oil plants, it is put forward how to select and breed synthetic varieties and single pistillate strains and how to use these strains to br...

7 The characteristics of vessel elements of secondary xylem in shoots of staminate and pistillate plants o Fraxinus pennsylvanica were studied by isolation method and micrography.

8 Even though the change pattern of protein content was similar, its occurrence is much earlier in staminate than in pistillate plants.