Plant Photo |
Scientific Name |
Common Name and Description |
Seed Photo |
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Avena sativa |
Common Name: Oats, Wild Oats, Oatgrass
Leaves: Short awns and hairy lemmas
Flowers: Spikelets slightly laterally compressed with 2 perfect florets
Fruit: Grain
Habitat: Disturbed areas
Range: East, southeast and north-central Texas, also the Edwards Plateau; North America
Group: Monocot
Family: Poaceae
Growth Habit: Graminoid - tufted, culms 40-75 mm long, panicles open and diffuse 15-25 cm long and 3-10 cm broad
Duration: Annual
U.S. Nativity: Introduced |
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Zea diploperennis |
Common Name: Teosinte or Diploperennial Teosinte
Leaves: Broad flat leaves
Flowers: Both pistillate and staminate spikelets borne on the same plant
Fruit: Grain
Habitat:
Range: In very limited regions of highlands of Western Mexico
Group: Monocot
Family: Poaceae
Growth Habit: Graminoid
Duration: Perennial
U.S. Nativity: Introduced |

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Zea mays |
Common Name: Indian Corn
Leaves: Broad flat leaves
Flowers: Pistillate spikelets borne in several rows on a much-thickened cylindrical rachis (cob), the whole inflorescence covered with usually modified leaves (shucks) and the entire "ear" marked at the end by the termini of elongated styles (silk); Staminate spikelets borne in pairs on the spike-like racemes at the top of the plant
Fruit: Grain
Habitat: Incapable of survival outside of cultivation
Range: Texas, and much of the United States
Group: Monocot
Family: Poaceae
Growth Habit: Graminoid - Robust annual
Duration: Perennial
U.S. Nativity: Introduced |
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Fagopyrum esculentum |
Common Name: Buckwheat
Leaves:
Flowers:
Fruit:
Habitat:
Range:
Group: Dicot
Family: Polygonaceae
Growth Habit: Forb/Herb
Duration: Annual
U.S. Nativity: Introduced |
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Rumex occidentalis |
Common Name: Dock
Leaves: Alternate, flat undulate or crisped, narrowed to cordate or auricled at base
Flowers: Greenish on pedicels that are jointed to and terminate short peduncles
Fruit: Greatly increasing in size compared to their size at anthesis and erect and usually loosely coherent to the achene; ovary sessile; achene trigonous
Habitat:
Range: North America
Group: Dicot
Family: Polygonaceae
Growth Habit: Forb/Herb -
Duration: Annual
U.S. Nativity: Introduced |
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