Branching in stems with (diagram)

Figure. Stem branching patterns.

STEM BRANCHING PATTERN A plant’s below- or above-ground stems or shoots often exhibit characteristic branching patterns. The relative activity of apical meristems determines the branching pattern; the original shoot apical meristem is derived from the seedling epicotyl, and apical meristems … Read more

The angiosperm life cycle -Life cycle of a Typical Angiosperm

Angiosperm-Life-Cycle

During the development of a flower bud, a single megaspore mother cell in the ovule undergoes meiosis, producing four mega-spores (figure ). In most flowering plants, three of the megaspores soon disappear; the nucleus of the remaining mega-spore divides mitotically, and … Read more