Carex ozarkana

Carex ozarkana, the Ozark sedge, is a species of flowering plant in the family Cyperaceae, native to the U.S. states of Oklahoma, Texas, Arkansas, and Louisiana.[2][3]

Carex ozarkana

Apparently Secure  (NatureServe)[1]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Cyperaceae
Genus: Carex
Species:
C. ozarkana
Binomial name
Carex ozarkana
P.Rothr. & Reznicek

Description

A perennial forming loose tufts and reaching 110 cm (43 in), it is found growing in permanently wet soils. The culms were between 45 to 95 centimeters in diameter. The vegetative culms are inconspicuous. The leaves sheaths are sometimes white mottled, green-veined near the collar, and Y-shaped. There are between 3 to 5 blades on culms. The inflorescence are either open or dense, yellowish-brown in color, and between 2.3 to 8.4 centimeters long and between 6 to 17 millimeters wide. The spikes are either conic or globose, between 8 to 19 millimeters long and 4.2 to 8.2 millimeters wide. The pistillate scales are either yellowish brown or reddish brown with a green mid-stripe, between 3 to 4 millimeters in diameter, and are shorter and narrower than the pergynia. The perigynia is either pale yellow or gold brown with green wings and beak. The achenes are elliptic, between 1.4 to 2 millimeters long, .9 to 1.2 millimeters wide, and 0.4 to 0.5 millimeters thick.[4] It is a grass-like perennial that could grow up to 3 or 3 and a half feet tall. The fruit type was an achene. The flower color ranged from yellow, to green, to brown. The fruiting period was between the months of May and June. The flowers are inconspicuous, and don't have an bloom time.[3]

References

  1. "NatureServe Explorer 2.0". explorer.natureserve.org. Retrieved 2023-10-20.
  2. "Carex ozarkana P.Rothr. & Reznicek". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 22 November 2022.
  3. "Carex ozarkana". Plant Database. Lady Bird Johnson Wildflower Center. 18 June 2015. Retrieved 22 November 2022.
  4. "147. Carex ozarkana P. E. Rothrock & Reznicek, Brittonia. 48: 104, figs. 1, 2. 1996". Flora of North America. efloras.org. 2022. Retrieved 22 November 2022.


This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.