Centaurea solstitialis

{
  "id": "MLC-T-ENV-004518",
  "term": "Centaurea solstitialis",
  "field": "Environment",
  "definition": "Yellow starthistle is an annual herbaceous plant. Plants are gray-green to blue-green, grow from 6 in. to 5 ft. (15 cm to 15 dm) in height, and have deep taproots. Flowers are bright yellow with sharp spines surrounding the base, giving the plant a particularly menacing appearance and a painful response if touched. Stems and leaves are covered with cottony wool. Basal leaves are 2 to 3 in. (6 - 7 cm.) long and deeply lobed . Upper leaves are short (0.5 to 1.0 in.; 1 to 2.5 cm) and narrow, with few lobes.",
  "references": [
    "National Park Service Plant Conservation Alliance at http://www.nps.gov/plants/alien/fact/ceso1.htm"
  ],
  "url": "https://mlchart.com/terminology/environment/centaurea-solstitialis/"
}