Ageratina altissima ‘Chocolate’ White snakeroot, tall boneset, white sanicle
White snakeroot is a member of the sprawling aster family, and a North American native. This cultivated variety, ’Chocolate,’ has darker-tinted foliage. Identification: Plants are 3-5' (91-152 cm) high, and up to 3' (91 cm) around, with single or multiple stems. Leaves are 2-5" (5-12 cm) long, lance-shaped, and tapering at both ends; lower leaves are broader, more heart-shaped. Each leaf has three prominent veins and serrated edges. Leaf stems (petioles) are ½-1½" (1.3-3.8 cm) long. Flowerheads are somewhat dome-shaped clusters, each with 10-30 white brushlike flowers with no petals. Each flower is about ⅛" (4 mm) around. Edibility: Poisonous Online References:
Ageratina altissima ‘Chocolate’ at the Missouri Botanical Garden Ageratina altissima ‘Chocolate’ at Illinois Wildflowers Ageratina altissima on Wikipedia References:
Newcomb, Lawrence, Morrison, Gordon (Illus.), Newcomb’s Wildflower Guide, Little, Brown and Company, 1977, p. 434 (listed as Eupatorium altissimum)
Ageratina altissima ‘Chocolate’ description by Thomas H. Kent, last updated 25 May 2020. © FloraFinder.org. All rights reserved. |
9/7/2010 · Tower Hill Botanic Garden, Boylston, Massachusetts Range: Zones 4a-8b:
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