Lecture 3: Terms Flashcards
_____ is plants live for a single growing season during which they germinate, grow vegetatively, form flowers, and produce fruits and seeds.
Annual
____ live for two years; they are vegetative in the 1st year and produce flowers/fruit/seeds in the 2nd year
Biennial
______ live for three or more years and usually flower and fruit yearly once they reach to sexual maturity.
Perennial
True or False: Weeds are annual
True, multiple cycles make them more dynamic
True or False: Woody plants are always perennial
True
What are the 3 types of woody plants?
Shrubs = have multiple stems from the ground. Trees = have mainly one single stem – “the trunk” Lianas = are woody but they cannot sustain themselves, therefore, they need a physical support (e.g. other plants, rocks, grapevine)
What two anatomical feature does lianas use?
Tendrils and suckers
The axes of plants—consist of _____ (where leaves and axillary buds are produced) separated by _______.
Nodes, internodes
The tip of the stem is called the?
Apical meristem
_____ are a specialized stem that is horizontal underground stems, with distinct internodes bearing scale-like leaves. Protect against frost.
Rhizomes
____ are ________ resemble the rhizomes through their elongated internodes. However, they are thinner and the scale-like leaves are often not obvious. ______ are underground; ______ are above-ground.
Runners and stolons Stolons Runners
____ is very swollen & fleshy tip of a stolon that produce a lot of storage parenchyma.
Tuber
_____ is a very short, disk-like, underground stem surrounded by thick, fleshy (modified) leaves.
Bulbs
What are the two types of bulbs?
A. Layered bulbs: the bulb leaves cover entirely each other B. Scaly bulbs: the bulb leaves cover only partially each other
The ____ is short, erect, underground, fleshy stem covered with thin, dry (modified) leaves called tunics.
Corm
Leaf apex
Leaf base
