Xyris difformis explained

Xyris difformis, the bog yelloweyed grass, is a North American species of flowering plant in the yellow-eyed-grass family. It is native to the eastern and southern United States, eastern and central Canada, and Central America.^[1]

Xyris difformis is a perennial herb up to 90 cm (3 feet) tall with grass-like leaves up to 50 cm (20 inches) long, and yellow flowers.^{[2] [3]}

Varieties^[2]

• Xyris difformis var. curtissii (Malme) Kral - Belize, coastal states of USA from Texas to Virginia
• Xyris difformis var. difformis - Nova Scotia, Ontario, USA (coastal states from Maine to Texas plus areas as far inland as Michigan, Oklahoma, Indiana, and Arkansas)
• Xyris difformis var. floridana Kral - Belize, Honduras, Nicaragua, USA (coastal states from Louisiana to the Carolinas)

External links

• Photo of herbarium specimen at Missouri Botanical Garden, collected in Virginia in 1980

Notes and References

1. http://bonap.net/MapGallery/County/Xyris%20difformis.png Biota of North America Program 2014 county distribution map
2. http://www.efloras.org/florataxon.aspx?flora_id=1&taxon_id=222000462Flora of North America, Xyris difformis Chapm. 1860.
3. https://www.biodiversitylibrary.org/page/24356418#page/544/mode/1up Chapman, Alvan Wentworth 1860. Flora of the southern United States 500