Bidens trichosperma

Standard Cyclopedia of Horticulture

Bidens coronata, Fisch. (Coreopsis aurea, Ait.). St. 1-4 ft. high, branched above, glabrous or nearly so: Lvs. ternately or pinnately divided: outer involucre about equaling the dark-dotted inner: achenes dark, very small, 1-2 lines long, narrowly cuneate, 3-angled, margin firm and glabrous; pappus of 2-4 minute awns and some chaff. 8. E. U. S.—Very variable. The above text is from the Standard Cyclopedia of Horticulture. It may be out of date, but still contains valuable and interesting information which can be incorporated into the remainder of the article. Click on "Collapse" in the header to hide this text.