Stems

Question 1

• Supporting and conducting organ initially developed from the epicotyl
  Major Parts: Bark, pith and wood (composed of xylem made up of vessels, fibers and parenchyma cells)

Answer 1

Stem

Question 2

Types of Stem:

Answer 2

• Bulb - short, erect, underground stem
• Culm – flowering stem of grasses and sedges
• Offset – like runner originates from leaf axil as a short and thickened branch away from the mother plant
• Rhizome – horizontal underground stem
• Runner or stolon – indeterminate aboveground stem with internodes and new plantlet at the tip
• Sucker – shoot arising below the ground from old stem
• Tendril – slender coiling branch for climbing
• Tiller – shoot produced from the base of the stem or culm
• Tuber – thick storage underground stem
• Corm – enlarged solid fleshy base

Question 3

• • short, erect, underground stem

Answer 3

Bulb

Question 4

• – flowering stem of grasses and sedges

Answer 4

Culm

Question 5

• – like runner originates from leaf axil as a short and thickened branch away from the mother plant

Answer 5

Offset

Question 6

• – horizontal underground stem

Answer 6

Rhizome

Question 7

• indeterminate aboveground stem with internodes and new plantlet at the tip

Answer 7

Runner or stolon –

Question 8

• – shoot arising below the ground from old stem

Answer 8

Sucker

Question 9

• – slender coiling branch for climbing

Answer 9

Tendril

Question 10

• – shoot produced from the base of the stem or culm

Answer 10

Tiller

Question 11

• – thick storage underground stem

Answer 11

Tuber

Question 12

• – enlarged solid fleshy base

Answer 12

Corm

Question 13

– on ground without rooting at the nodes

Answer 13

Weak trailing stem (Weak stems)

Question 14

runner, stolon, offset or sucker

Answer 14

Creeping stem (Weak stems)

Question 15

attaches or climbs objects (vine)

Answer 15

Climbing stem (Weak stems)–