Test page 2 Flashcards
a root found in a unusual place
Adeventitous root
where minerals and water are absorbed into the root
Root hairs
growing tip of a shoot or root
Apical meristem
point of leaf attachment
Node
A bundle of tissue which is usually dormant but cab develop into branch shoots. They are seen in the angle between the stem and leaf.
Axillary bud
runners which send down roots and produce new plants
Stolons
the underground stem of a potatoe plant
Tubers
a waxy layer on the leaf surface which prevents the leaf from dying out.
Cuticle
Where most of the photosynthesis in a leaf occurs
Palisade Mesophyll
regulate gas exchange and are composed of 2 guard cells which swell and shrink in relation to water availability in the plant.
Stomata
A gas or hormone, which causes fruit to ripen
Ethylene
A hormone produced in the upper 4 inches of the shoot, and causes growth by cell elongation. Trimming the top of the plant will make the plant grow bushier, because now axillary buds are able to develope.
Auxin
hormone that initiates and maintains dormancy
Abscisic acid
Directional growth in a plant due to contact with an object
Thigmotropism
the length of daylight and darkness, which effects the growth of a plant, and flowering of a plant.
Photoperiodism
