Plants Flashcards
Stems and leaves
Shoot
Maintain living above ground and can be dormant in the winter
Woody plants
Above parts site above ground
Herbaceous
Single root to many shoots
Shrub
Single above ground shoot
Tree
Not rooted in ground, grows on trees
Epiphytic
Not rooted in ground, grows on rocks
Epipetric
Grows on land
Terrestrial
Grows in water
Aquatic
Emergent- rooted in ground
Floating- rooted in water
Submersed- lives below water
First root from seed is:
Primary root
Usually dies
Radical
If many roots grow of primary
Adventitous
Many adventitous=
Fibrous roots
If radical root persists as primary
Taproot
Roots enlarged and store energy like starch
Storage roots
Roots that grow back out of ground to get oxygen
Pneumatophores
Base of trees, large, thickened, along top of ground
Provide structural support
Buttress roots
Adventitious roots that give structure
Prop roots
Underground stem that serves as a storage and protective organ
Rootstock
Fleshy storage leaves
Stores nutrients and water for above portion of plant
Ex: onion
Bulb
Dry scale like leaves on outside
Above ground is the leaves
Corm
Short thick vertical stem underground or at ground level
Caudex
Horizontal underground or above ground stem
Rhizome
Thick underground stem
Lacks leaves
Tuber
Above ground stem like rhizomes
Stolon or runner
Stem that has been modified to grow as leaves
Leaves are spines
Flattened and photosynthetic
Cladodes- cacti
Sharp pointed stems
From axillary bud
Thorn
Sharp pointed leaf
Spine
Modified epidermis anywhere on stem
Prickle
Cluster of leaves at bottom(rosette)
No leaves along rest of stem with many flowers on top
Scape
