Question

Diagnostic characters of family brassicaceae. ​

Answer 1

Answer:

Following are the important characteristics of family Brassicaceae:

These are generally herbs, annuals, biennials, or shrubs.

The taproots are swollen due to food storage.

The stem is erect, herbaceous, and rarely woody.

Leaves are alternate, opposite, simple and exstipulate.

Answer 2

Answer:

Angiosperm is a diverse group. They have stems, roots and leaves and can bear flowers. They have seeds enclosed within the ovary. The angiosperm family includes:

• Asteraceae
• Brassicaceae
• Poaceae

Let us have a detailed look at the different angiosperm families.

Asteraceae

Characteristics of Asteraceae

They have the following characteristic features:

1. These are herbs, shrubs or trees. Most of them are xerophytes, hydrophytes and semi-aquatic.
2. Taproots are modified into tubers.
3. The stem might be erect, hairy, woody or prostrate. It might sometimes contain latex.
4. The leaves may be radical, petiolate, exstipulate,
5. Flowers are tubular or ligulate, bisexual or unisexual, usually dithecous, filament free with united anthers.
6. Androecium is absent.
7. Gynoecium is either absent or present.
8. The seed is endospermic.
9. The fruit produced is cypsela.

Hope it's helpful for you.