Intro: Erect annual/perennial of seasonally wet areas, coastal swamps, beaver ponds, ditches and other freshwater wetlands.
Stems: Stems unbranched, purplish, hairy and gland-dotted, giving off unpleasant odor when bruised/crushed.
Leaves: Leaves alternate, sessile with clasping bases, oval or oblong to lance-shaped, blunt-tipped, to 4 1/2 in. long, thick, finely toothed, hairy and gland-dotted, giving off unpleasant odor when bruised/crushed.
Inforescence:
Flowers: Compound flowers (heads) in dense clusters at end of and upper axillary branches; heads about 1/4 in. tall and 1/3 in. wide, consisting of many tiny, creamy white, tubular disk florets (no ray florets) closely surrounded by several series of hairy, pinkish, gland-dotted, pointy bracts.
Fruits:
Comments:
Height: 1-3 ft.
plant sale text:
bloom table text:
description: Erect annual/perennial of seasonally wet areas, coastal swamps, beaver ponds, ditches and other freshwater wetlands.
stems: Stems unbranched, purplish, hairy and gland-dotted, giving off unpleasant odor when bruised/crushed.
leaves: Leaves alternate, sessile with clasping bases, oval or oblong to lance-shaped, blunt-tipped, to 4 1/2 in. long, thick, finely toothed, hairy and gland-dotted, giving off unpleasant odor when bruised/crushed.
inflorescence:
flowers: Compound flowers (heads) in dense clusters at end of and upper axillary branches; heads about 1/4 in. tall and 1/3 in. wide, consisting of many tiny, creamy white, tubular disk florets (no ray florets) closely surrounded by several series of hairy, pinkish, gland-dotted, pointy bracts.
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