Plant Anatomy 2

Question 1

bud

Answer 1

undeveloped and unelongated stem

Question 2

terminal bud

Answer 2

bus at tip of stem responsible for terminal growth

Question 3

node

Answer 3

part of the stem making attachment of leaves, flowers, fruits, buds, and other stems

Question 4

internode

Answer 4

part of stem between nodes

Question 5

lenticel

Answer 5

rough areas on stem composed of loosely packed cells extending from cortex through a ruptured epidermis for gas exchange

Question 6

crowns

Answer 6

compressed stem; leaf & flower buds occur here

Question 7

stolons

Answer 7

stems that grow horizontally above ground

Question 8

spurs

Answer 8

on branches of woody plants; stems whose growth has been severely restricted bc of shortened internodes

Question 9

rhizomes

Answer 9

underground, horizontally growing stems; most are monocots

Question 10

corms

Answer 10

compressed and thick underground stems in some monocots, not true bulbs

Question 11

bulbs

Answer 11

compressed stem prominent part of structure is not stem but modified leaves attached to stem

Question 12

tubers

Answer 12

underground stems with enlarged storage organs

Question 13

vascular bundles

Answer 13

xylem and phloem run length of plant stem, from root to tap of the plant

Question 14

pith & cortex

Answer 14

usually comprised of parenchyma

Question 15

vascular cambium

Answer 15

located in middle of vascular bundle between xylem & phyloem

Question 16

annual rings

Answer 16

xylem formed by vascular cambium during one growing season

Question 17

lenticels

Answer 17

larger pores that allow O2 and CO2 in

Question 18

runners

Answer 18

stolons w/ long internodes that start at base of crown