Annual
A plant that completes its life cycle and dies within a year.
Perennial
Living through three or more seasons.
Annual
A plant that completes its life cycle and dies within a year.
Perennial
Living through three or more seasons.
Awn
A bristle characteristic of the spikelets in some grasses.
Bunchgrass
Plant has no stolons or Rhizomes and consequently grows in a bunch rather than spreading.
Inflorescence
Flower structure of a grass plant.
Node
A joint where a leaf is or was attached to a stem.
Internode
Area of the stem between two nodes.
Panicle
A type of flower in which the flower clusters are attached to the stem via branches connected to branches off the stem.
Raceme
A type of flower in which the flower clusters are attach to the stem via branches.
Spike
A type of flower in which are the flower clusters are attached directly to the stem.
Panicle
A type of flower in which the flower clusters are attached to the stem via branches connected to branches off the stem.
Raceme
A type of flower in which the flower clusters are attach to the stem via branches.
Spike
A type of flower in which are the flower clusters are attached directly to the stem.
Panicle
A type of flower in which the flower clusters are attached to the stem via branches connected to branches off the stem.
Raceme
A type of flower in which the flower clusters are attach to the stem via branches.
Spike
A type of flower in which are the flower clusters are attached directly to the stem.
Prostrate
Growing flat along the ground.
Rhizome
A stem that grows horizontally below the ground surface and may form adventitious roots at the nodes.
Sheath
Base portion of the grass leaf that wraps around the stem.
Stolon
A stem that grows horizontally along the ground surface and may form adventitious roots and a new plant at the nodes.
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Topics : Species and Forage Variety Trials : Identifying Common Pennsylvania Grasses : Grass Structures Review Structures Used to Identify GrassesPlease click on the red text for sample images and mouseover the hightlighted text for definitions.
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