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Morphology of Range Plants
Objectives Define plant morphology Describe characteristics of the leaves, stems,
roots, and flowers of range plants Describe the anatomy of grasses
Plant Morphology Describes the physical form and external
structures of a plant
Leaves Important characteristics
Type Arrangement Shape Margin Veination
Leaf Types Simple
Compound
Compound - Palmate Compound - Pinnate
Leaf Arrangements
Alternate Opposite Whorled
Leaf Shapes
Ovate Palmate
Linear Elliptic Lanceolate Oblanceolate
Wedge-shaped Arrow-shapedObovate
Leaf Margins
Serrated
Lobed-pinnate Lobed-palmate
ToothedScallopedEntire
Leaf Veinations
Parallel Pinnate Palmate Netted
Stems
Hollow or Pithy Solid Not Jointed Solid Woody Solid
Grasses Grass-likes Forbs Shrubs
(Sedges) (Rushes)
Roots
Flowers Inflorescence types
Spike Raceme Panicle
Umbel Head
Flowers Composite Heads
Ray Flowers Disk Flowers Ray and Disk Flowers
Anatomy of Grasses
Spikelet
Inflorescence
Internode
Culm (stem)
Node (joint)
Rhizome
StolonLeaf