Lecture Five

Question 1

geophyte

Answer 1

herbaceous plant, typically monocot, with an underground plant part that has been modified to store carbs, nutrients, and water

Question 2

geophyte parts

Answer 2

bulbs, corms, tubers, rhizomes, tuberous roots, enlarged petioles, enlarged hypoctyls

Question 3

bulbs

Answer 3

i.e.: onion, garlic

Question 4

tunicated

Answer 4

bulbs with leaves (like onion) because of the skin

Question 5

corm

Answer 5

i.e.: water chestnut, taro (starchy)

solid mass instead of layers

Question 6

cormels

Answer 6

produced by axillary buds at the base of a corm

Question 7

tuber

Answer 7

i.e.: potato, yam

thickened, enlarged underground stem (swollen stolon or rhizome)

Question 8

fleshy rhizome

Answer 8

i.e.: ginger, bamboo

horizontal growing stems that arise from nodes at or below soil surface

nodes and internodes show it’s a stem, not a root

Question 9

tuberous rot

Answer 9

i.e.: sweet potato, cassava

enlarged fleshy portions of root tissue

Question 10

tap root

Answer 10

i.e.: radish, carrot, parsnip

the swollen primary root

Question 11

enlarged hypocotyl

Answer 11

portion of stem below the attachment point for the cotyledon

Question 12

enlarged petiole

Answer 12

i.e.: blanched celery