Weed, Plant, and Seed Identification

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Questions and Answers

Which weed is characterized by smooth leaves, white flowers, blackberries, and is known to be toxic?

  • Bull Thistle
  • Black Nightshade (correct)
  • Silverleaf Nightshade
  • Common Mallow

Which of these weeds has flat leaves, green spiky seed heads, and grows as a tufted grass?

  • Barnyard Grass (correct)
  • Foxtail
  • Crabgrass
  • Wild Oats

Which characteristic is unique to Common Lambsquarters?

  • Arrow-shaped leaves
  • Hairy stems
  • Powdery leaf coating (correct)
  • Spiny seed pods

Which weed features heart-shaped leaves and trumpet-shaped flowers?

<p>Morning Glory (A)</p> Signup and view all the answers

Which weed has lantern-like seed pods and small yellow flowers?

<p>Ground Cherry (C)</p> Signup and view all the answers

Curly Dock is most easily identified by which of the following?

<p>Wavy-edged leaves and red seeds (B)</p> Signup and view all the answers

Which of these crops is characterized by leaves in threes, purple flowers, and slender stems?

<p>Alfalfa (A)</p> Signup and view all the answers

What are the key identifiers of barley?

<p>Hollow stem and long awns (B)</p> Signup and view all the answers

Which crop plant is known for its large lobed leaves and green-striped fruit?

<p>Cantaloupe (B)</p> Signup and view all the answers

Which crop has underground tubers and can have white or purple flowers?

<p>Potato (B)</p> Signup and view all the answers

Which plant presents with spiny leaves and orange flowers producing oil-rich seeds?

<p>Safflower (D)</p> Signup and view all the answers

What distinguishes Kentucky Bluegrass from other grasses?

<p>Fine texture and dense growth habit (A)</p> Signup and view all the answers

Which crop is characterized by trailing vines, heart-shaped leaves, and an orange root?

<p>Sweet Potato (B)</p> Signup and view all the answers

Which of the following weeds has reddish stems and small green flower clusters?

<p>Redroot Pigweed (A)</p> Signup and view all the answers

Which crop features large green leaves, pink flowers, and tall stems?

<p>Tobacco (C)</p> Signup and view all the answers

Which weed is distinguished by long stems, oval leaves, and pink spiky flower clusters?

<p>Smartweed (C)</p> Signup and view all the answers

Which grass-like crop has slender leaves and drooping seed heads?

<p>Rice (D)</p> Signup and view all the answers

What characterizes Bermuda Grass?

<p>Fine leaves, dense mats, spreads via stolons (C)</p> Signup and view all the answers

Which crop has green stalks and clustered flower buds?

<p>Broccoli (C)</p> Signup and view all the answers

Which crop has tall stalks, jointed stems and narrow leaves?

<p>Sugarcane (A)</p> Signup and view all the answers

Flashcards

Barnyard Grass

Tufted grass with flat leaves and green spiky seed heads.

Black Nightshade

Smooth leaves, white flowers, blackberries, toxic.

Buckhorn Plantain

Lance-shaped leaves, tall stalk, clustered flowers.

Bull Thistle

Spiny leaves, hairy stems, purple flowers

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Cheat (Downy Brome)

Hairy leaves, drooping seed heads, long awns.

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Common Cocklebur

Rough leaves and spiky seed pods.

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Common Lambsquarters

Powdery leaf coating, triangle-shaped leaves.

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Common Mallow

Round leaves, purple flowers, low-growing habit.

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Common Milkweed

Broad leaves, milky sap, pink flower clusters.

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Common Ragweed

Feather-like leaves, tall stems, green spikes.

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Common Sunflower

Large yellow flowers, rough hairy leaves.

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Crabgrass

Spreading grass, flat leaves, finger-like seed heads.

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Curly Dock

Wavy-edged leaves, tall stems with red seeds.

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Dandelion

Yellow flowers, serrated leaves, fluffy seed heads.

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Alfalfa

Leaves in threes, purple flowers, slender stems.

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Barley

Hollow stem, long awns, smooth seed heads.

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Bermuda Grass

Dense mats, spreads via stolons.

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Broccoli

Green stalks, clustered flower buds.

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Cabbage

Tightly packed round heads, green/purple/white leaves.

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Watermelon

Long trailing vines, lobed leaves, striped fruit.

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Study Notes

Weed/Plant/Seed Identification

  • Barnyard Grass features tufted growth, flat leaves, and green spiky seed heads.
  • Black Nightshade has smooth leaves, white flowers, and blackberries, and is toxic.
  • Buckhorn Plantain displays lance-shaped leaves, a tall stalk, and clustered flowers.
  • Bull Thistle is characterized by spiny leaves, hairy stems, and purple flowers.
  • Cheat (Downy Brome) has hairy leaves, drooping seed heads, and long awns.
  • Common Cocklebur is identified by its rough leaves and spiky seed pods.
  • Common Lambsquarters is distinguished by a powdery leaf coating and triangle-shaped leaves.
  • Common Mallow presents round leaves, purple flowers, and exhibits a low-growing habit.
  • Common Milkweed shows broad leaves, milky sap, and pink flower clusters.
  • Common Ragweed has feather-like leaves, tall stems, and green spikes.
  • Common Sunflower features large yellow flowers and rough hairy leaves.
  • Crabgrass has a spreading growth, flat leaves, and finger-like seed heads.
  • Curly Dock is known for its wavy-edged leaves, tall stems, and red seeds.
  • Dandelion displays yellow flowers, serrated leaves, and fluffy seed heads.
  • Field Bindweed has arrow-shaped leaves and small white/pink flowers.
  • Foxtail (Yellow, Green, Giant) is a grass that has dense, fuzzy seed heads.
  • Ground Cherry produces lantern-like seed pods and small yellow flowers.
  • Horse Nettle possesses spiny stems, star-shaped white/purple flowers.
  • Jimsonweed features large trumpet-shaped flowers and spiky seed pods.
  • Johnson Grass, a tall grass, has broad leaves and loose flower clusters.
  • Morning Glory exhibits heart-shaped leaves and trumpet-shaped flowers.
  • Nutsedge, a grass-like plant, has triangular stems and yellow seed heads.
  • Puncturevine is low-growing, has spiky seed pods, and small yellow flowers.
  • Purslane is known for its thick, succulent leaves and yellow flowers.
  • Redroot Pigweed presents reddish stems and small green flower clusters.
  • Russian Thistle is a spiny, bushy plant with pink-striped stems.
  • Shepherd's Purse has tiny white flowers and heart-shaped seed pods.
  • Smartweed displays long stems, oval leaves, and pink spiky flower clusters.
  • Wild Mustard features yellow flowers, tall stems, and small round seed pods.
  • Wild Oats, a grass, has elongated seed heads and hairy leaf bases.
  • Silverleaf Nightshade is characterized by silver leaves, purple flowers, and yellow berries.
  • Broadleaf Plantain is identified by its flat leaves and tall stalks with green seeds.

Crop Plant/Seed Identification

  • Alfalfa presents leaves in threes, purple flowers, and slender stems.
  • Barley features a hollow stem, long awns, and smooth seed heads.
  • Bermuda Grass exhibits fine leaves, forms dense mats, and spreads via stolons.
  • Broccoli has green stalks and clustered flower buds.
  • Cabbage forms tightly packed round heads with green/purple/white leaves.
  • Canola produces yellow flowers, tall stems, and small round seed pods.
  • Cantaloupe features large lobed leaves, a vine habit, and green-striped fruit.
  • Carrot has lacy leaves, an orange root, and a tall flowering stem.
  • Cauliflower has a white head surrounded by green leaves.
  • Corn (Dent) grows tall stalks, broad leaves, and kernels in rows.
  • Cotton is a bushy plant, producing fluffy white seed fibers and pink flowers.
  • Cucumber grows long trailing vines, lobed leaves, and green fruit.
  • Kentucky Bluegrass has fine textured grass and a dense growth habit.
  • Lettuce has broad soft leaves of various colors, growing in heads.
  • Oats is a tall grass featuring loose seed clusters and smooth leaves.
  • Onion has hollow tubular leaves, a bulb at the base, and white flower clusters.
  • Orchard Grass is a tall grass with folded leaves and loose seed clusters.
  • Peanut is a small bushy plant that produces underground pods and yellow flowers.
  • Pinto Bean develops oval pods, exhibits vine-like growth, and has spotted seeds.
  • Potato presents green leaves, underground tubers, and white/purple flowers.
  • Red Clover has three-lobed leaves and small purple flower heads.
  • Rice, a grass-like plant, has slender leaves and drooping seed heads.
  • Safflower has spiny leaves, orange flowers, and produces oil-rich seeds.
  • Sorghum is a tall plant with broad leaves and dense seed heads.
  • Soybean is a bushy plant with oval leaves and small round pods.
  • Squash has large lobed leaves, trailing vines, and yellow flowers.
  • Strawberry presents three-lobed leaves, red fruit, and white flowers.
  • Sudan Grass, a tall grass, has narrow leaves and loose seed heads.
  • Sugarbeet is characterized by broad leaves, a large root, and white flowers.
  • Sugarcane shows tall stalks, jointed stems, and narrow leaves.
  • Sunflower features large yellow flowers, tall stems, and large seeds.
  • Sweet Potato has trailing vines, heart-shaped leaves, and an orange root.
  • Sweet Clover exhibits lobed leaves and small white/yellow flowers.
  • Tall Fescue presents broad leaves, dense growth, and loose seed heads.
  • Timothy is a tall grass with narrow leaves and cylindrical seed heads.
  • Tobacco features large green leaves, pink flowers, and tall stems.
  • Tomato is a bushy plant that produces red fruit and yellow flowers.
  • Watermelon is characterized by trailing vines, lobed leaves, and striped green fruit.
  • Wheat (Red) is a grass that has elongated seed heads and reddish seeds.
  • White Clover has three-lobed leaves and small white flower heads.

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