Plant structure

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Annuals
herbaceous plants grwo reproduce and die in one year, corn geranium, and marigold
Biennuals
herbaceous plants take 2 years to complete life cycle, carrots cabbage
Herboceous(nonwoody)
areial parts die back (stem leaves)
woody
areal parts do not die back
perennials
have potential to live more than 2 years, die back in winter
woody perenials
live for 100s or even 1000 of years
Buds are
undeveloped embryonic shoots
Ground
(most of the body) photosynthesis storage and support
vascular
extends throughout plant body, conducting water, dissolving minerals, and sugar strength and support
dermal
provides covering for the plant
Organs
composed of all 3 systems and form interconnected network throughout the plant
ground tissue system contains 3 tissues
parenchyma, collenchyma, and sclerenchyma tissues
parenchyma tissue
composed of living .......... cells, photosynthesis storage and secretion
Collenchyma tissue
consists of ........ cells, provides flexible structural support
sclerenchyma tissue
composed of .......... cells, dead at maturity provide structural support
(sclerenchyma) sclerids
variable shape common in sheels of nuts and stones of fruit (cherries and peaches)
(sclerenchyma) fibers
long tapered cells in paches or clumps, wood inner bark
xylem
issue conducts water and dissolved minerals
phloem
tissue conducts sugar in solution
unspecialized living cells
protective covering helps reduce water loss
guard cells
open and close stomatal pore for gas exchange
trichomes
outgrowth (hair) absorbs secrets excretes protects and reduces water loss
Periderm
covers woody parts of the plant body
cork cells
dead at maturity reduse water loss prevent disease
epidermis
waxy cuticle reduces water loss
primary growth
increase in stem or root length
herbaceous growth
entire plant body
woody growth
soft shoots and roots
secondayr growth
increase in stem or root girth (thickness)
vascular cambium
add more cells to wood
Apical Meristems located
at tips of roots and shoots within buds of stems