Modified Or Specialized Functions Of Stems Flashcards

1
Q

Modified or specialized functions of stems

A
  1. Unusual method of support
  2. Photosynthesis
  3. Uncutinized epidermis
  4. Reproduction
  5. Storage
  6. Protection
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2
Q

Two unusual method of support

A

Tendrils and twinners

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3
Q

Sample of tendrils

A

Cadena de amor, ampalaya, squash

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4
Q

Sample of twinners

A

Balloon vine

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5
Q

Example of root climbers

A

Creeping ivy

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6
Q

Two types of stems in photosynthesis

A

Green stems and phylloclades

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7
Q

Example of green stems

A

Stick plant

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8
Q

Example of phylloclades(dadophylls)

A

Cacti

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9
Q

Sample of uncutinized epidermis

A

Digman

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10
Q

Specialized function for the Development of buds in some parts of the stem,, ginger potato and gabi

A

Reproduction

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11
Q

Specialized functions of the stem as a storage

A

Fleshy underground stems ginger, potato, gabi

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12
Q

Stems are modified into thorns and spines bougainvillea rose pomelo and calamansi

A

Protection

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13
Q

Economic importance of stems

A
  1. Sources of lumber, wood pulp for papers, and fibers for linen and rope.
  2. Bark of the cork oak is used for stoppers, insulation, life preservers and padding.
  3. Quinine, used for the treatment of malaria is extracted from cinchona bark.
  4. Source of rubber
  5. Food stores such as the potato tuber.
  6. Sources of sugar and molasses which come from sugarcane.
  7. Cinnamon from the bark of cinnamonium is used as food flavoring.
  8. Tars and wood alcohol are distilled from hardwood trees like oak and hickory.
  9. Resin and turpentine are obtained from softwood trees such as yellow pine.
  10. Cellulose is obtained from plant cell walls of wood which is used as a base in the manufacturer of celluloid cellophane and rayon and lacquers or ethyl alcohol.
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