Page 212 - Primary Six Notes

1. Upright/erect stems.

They grow upright in space

Examples include; Woody plants, Beans, Peas, Pineapple,
Maize, Soya beans etc.

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2. Underground Stems

There are four kinds of underground stems mainly.

1. Stem tubers

2. Bulbs

3. Rhizomes

4. Corms

Characteristics of underground stems

 They have scaly leaves at nodes

 They have buds or eyes or side shoots in the axil with scaly

leaves

 They have terminal bud which grow into a shoot