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Cone-cup spikerush facts for kids

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Cone-cup spikerush
Scientific classification
Genus:
Eleocharis
Species:
tuberculosa
Synonyms
  • Bulbostylis tuberculosa (Michx.) Steven
  • Chlorocharis tuberculosa (Michx.) Rikll
  • Eleocharis tuberculosa var. pubnicoensis Fernald
  • Eleocharis tuberculosa f. pubnicoensis (Fernald) Svenson
  • Eleocharis tuberculosa f. retrorsa Svenson
  • Megadenus tuberculatus (Elliott) Raf.
  • Rhynchospora monostachya Steud.
  • Scirpus tuberculatus Elliott
  • Scirpus tuberculosus Michx.
  • Trichophyllum tuberculosum (Michx.) House

Eleocharis tuberculosa, also known as the cone-cup spikerush, is a plant species. It is native to the United States and Canada. You can find it along the Gulf and Atlantic coasts. This includes states from Maine to Texas. It also grows in Kentucky, Tennessee, Arkansas, and Nova Scotia. This plant likes to grow in wet soil. You can often see it in meadows, woodlands, and near lakes and rivers.

What Makes This Plant Special?

The cone-cup spikerush is a perennial herb. This means it lives for more than two years. It often grows in dense clumps, like a thick bunch of grass.

Stems and Flowers

The stems of the plant are called culms. They can grow quite tall, up to 70 centimeters (about 28 inches). If you cut a stem, you would see it has an oval shape.

The flowers of the cone-cup spikerush are interesting. The female parts of the flowers have a special swollen base. This base is called a tubercule. It can be white or a light orange-brown color. Sometimes, it even has red spots. These tubercles can be up to 2.5 millimeters wide.

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