College of Food, Agricultural and Natural Resource Sciences

Strand Memorial Herbarium

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Family: Poaceae   Grass Family
Plant group comprising one of the largest families of flowering plants. Formerly referred to as Graminae.

Genus: Avena   Oat
Genus of 10-15 species of grasses, native to Europe, Asia and northwest Africa. Tribe Aveneae.

Scientific Name: Avena fatua L.
Common Name(s): Wild Oat, Spring Wild Oat
Growth Type: annual
Species Description:

Click on the thumbnails to view large image.

Wild oat's membranous ligules and open sheath.Caption: Wild oat's membranous ligules and open sheath.

ID: Hrb-AVEFA-015
Source: 35mm slide (photo)
Credit:
Keyword(s): leaf
A dense patch of maturing wild oats.Caption: A dense patch of maturing wild oats.

ID: Hrb-AVEFA-004
Source: 35mm slide (photo)
Credit:
Keyword(s): inflorescence, mature
A wild oat seedling that is approximately 4.5 inches in height.Caption: A wild oat seedling that is approximately 4.5 inches in height.

ID: Hrb-AVEFA-013
Source: 35mm slide (photo)
Credit:
Keyword(s): seedling
An illustration of wild oat's flowering open panicle inflorescence, spikelets, and florets.Caption: An illustration of wild oat's flowering open panicle inflorescence, spikelets, and florets.

ID: Hrb-AVEFA-014
Source: 35mm slide (illustration)
Credit:
Keyword(s): flowering, inflorescence
Illustration on a wild oat's membranous ligules and hairy, open sheath.Caption: Illustration on a wild oat's membranous ligules and hairy, open sheath.

ID: Hrb-AVEFA-008
Source: 35mm slide (illustration)
Credit:
Keyword(s): leaf
Maturing seeds on a wild oat plant.Caption: Maturing seeds on a wild oat plant.

ID: Hrb-AVEFA-007
Source: 35mm slide (photo)
Credit:
Keyword(s): inflorescence, mature
Stigmas can be seen below the drooping spikelets on this wild oat's flowering panicle.Caption: Stigmas can be seen below the drooping spikelets on this wild oat's flowering panicle.

ID: Hrb-AVEFA-026
Source: 35mm slide (photo)
Credit:
Keyword(s): flowering, inflorescence
The flowering open panicle of wild oats.Caption: The flowering open panicle of wild oats.

ID: Hrb-AVEFA-017
Source: 35mm slide (photo)
Credit:
Keyword(s): flowering, inflorescence
The mature drooping spikelets of a wild oat plant.Caption: The mature drooping spikelets of a wild oat plant.

ID: Hrb-AVEFA-016
Source: 35mm slide (photo)
Credit:
Keyword(s): inflorescence, mature
Wild oat growing in a flax fieldCaption: Wild oat growing in a flax field

ID: Hrb-AVEFA-001
Source: 35mm slide (photo)
Credit:
Keyword(s): inflorescence, mature
Wild oat pannicle with hanging spikelets that have long, dark, awns.Caption: Wild oat pannicle with hanging spikelets that have long, dark, awns.

ID: Hrb-AVEFA-031
Source: 35mm slide (photo)
Credit:
Keyword(s): inflorescense, mature
Wild oat seedling approximately 3.5 inches in height. with counterclockwise twisting leaves.Caption: Wild oat seedling approximately 3.5 inches in height. with counterclockwise twisting leaves.

ID: Hrb-AVEFA-012
Source: 35mm slide (photo)
Credit:
Keyword(s): seedling
Wild oat seeds and the circular scar and the seed's base.Caption: Wild oat seeds and the circular scar and the seed's base.

ID: Hrb-AVEFA-028
Source: 35mm slide (photo)
Credit:
Keyword(s): seed
Wild oat seeds with a hairy base and a dark, twisted awn.Caption: Wild oat seeds with a hairy base and a dark, twisted awn.

ID: Hrb-AVEFA-022
Source: 35mm slide (photo)
Credit:
Keyword(s): seed
Wild oat seeds with a hairy base and dark, twisting awns.Caption: Wild oat seeds with a hairy base and dark, twisting awns.

ID: Hrb-AVEFA-023
Source: 35mm slide (photo)
Credit:
Keyword(s): seed
Wild oat seeds with a hairy base and long, dark, twisted awns that bend in right angles.Caption: Wild oat seeds with a hairy base and long, dark, twisted awns that bend in right angles.

ID: Hrb-AVEFA-029
Source: 35mm slide (photo)
Credit:
Keyword(s): seed
Wild oat seeds with a hairy base and long, dark, twisted awns that bend at right angles.Caption: Wild oat seeds with a hairy base and long, dark, twisted awns that bend at right angles.

ID: Hrb-AVEFA-019
Source: 35mm slide (photo)
Credit:
Keyword(s): seed
Wild oat seeds with a hairy base, a round shaped scar at the seed base, and a long, dark, twisted awn arising from the lemma.Caption: Wild oat seeds with a hairy base, a round shaped scar at the seed base, and a long, dark, twisted awn arising from the lemma.

ID: Hrb-AVEFA-018
Source: 35mm slide (photo)
Credit:
Keyword(s): seed
Wild oat seeds with a hairy base, a round shaped scar at the seed base, and a long, dark, twisted awn arising from the lemma.Caption: Wild oat seeds with a hairy base, a round shaped scar at the seed base, and a long, dark, twisted awn arising from the lemma.

ID: Hrb-AVEFA-021
Source: 35mm slide (photo)
Credit:
Keyword(s): seed
Wild oat seeds with a hairy base, a round shaped scar at the seed base, and a long, dark, twisted awn arising from the lemma.Caption: Wild oat seeds with a hairy base, a round shaped scar at the seed base, and a long, dark, twisted awn arising from the lemma.

ID: Hrb-AVEFA-025
Source: 35mm slide (photo)
Credit:
Keyword(s): seed
Wild oat seeds with a hairy base, round shaped scar at the seed base, and long, dark, twisted awn that bends in right angles.Caption: Wild oat seeds with a hairy base, round shaped scar at the seed base, and long, dark, twisted awn that bends in right angles.

ID: Hrb-AVEFA-020
Source: 35mm slide (photo)
Credit:
Keyword(s): seed
Wild oat seeds with a hairy base, round shaped scar at the seed base, and long, dark, twisted awn that bends in right angles.Caption: Wild oat seeds with a hairy base, round shaped scar at the seed base, and long, dark, twisted awn that bends in right angles.

ID: Hrb-AVEFA-024
Source: 35mm slide (photo)
Credit:
Keyword(s): seed
Wild oat seeds with a hairy base, round shaped scar at the seed base, and long, dark, twisted awns.Caption: Wild oat seeds with a hairy base, round shaped scar at the seed base, and long, dark, twisted awns.

ID: Hrb-AVEFA-027
Source: 35mm slide (photo)
Credit:
Keyword(s): seed
Wild oat spikelet with long, dark, twisted awns.Caption: Wild oat spikelet with long, dark, twisted awns.

ID: Hrb-AVEFA-030
Source: 35mm slide (photo)
Credit:
Keyword(s): inflorescense, mature, seed
Wild oats growing in a corn field.Caption: Wild oats growing in a corn field.

ID: Hrb-AVEFA-010
Source: 35mm slide (photo)
Credit:
Keyword(s): inflorescence, mature
Wild oats growing in a wheat field.Caption: Wild oats growing in a wheat field.

ID: Hrb-AVEFA-002
Source: 35mm slide (photo)
Credit:
Keyword(s): inflorescence, mature
Wild oat's mature, panicle inflorescence.Caption: Wild oat's mature, panicle inflorescence.

ID: Hrb-AVEFA-005
Source: 35mm slide (photo)
Credit:
Keyword(s): inflorescence, mature
Wild oat's mature, open panicle inflorescence.Caption: Wild oat's mature, open panicle inflorescence.

ID: Hrb-AVEFA-011
Source: 35mm slide (photo)
Credit:
Keyword(s): inflorescence, mature
Wild oat's maturing panicle inflorescence.Caption: Wild oat's maturing panicle inflorescence.

ID: Hrb-AVEFA-006
Source: 35mm slide (photo)
Credit:
Keyword(s): inflorescence, mature
Wild oat's maturing panicle inflorescence.Caption: Wild oat's maturing panicle inflorescence.

ID: Hrb-AVEFA-009
Source: 35mm slide (photo)
Credit:
Keyword(s): flowering, inflorescence
Wild oat's open panicle inflorescence above wheat.Caption: Wild oat's open panicle inflorescence above wheat.

ID: Hrb-AVEFA-003
Source: 35mm slide (photo)
Credit:
Keyword(s): inflorescence, mature