5. IRESÌNE
   P. Br. Civ. & Nat. Hist. Jam. 358.  1756.  (2:8)

Anual or perrennial tall herbs, with opposite broad petioled thin leaves and very small polygamous perfect or dioceious 3-bracted white flowers, in large terminal panicles or panticled spikes.  Calyx 5-parted, the pistillate usually woolly-pubescent.  Stamens 5, rarely less ; filaments united by their bases, filiform ; anthers 1-celled.  Utricle very small, globulose, indehiscent.  [Greek, in allusion to the woolly pubescence.]

About 20 species, natives of warm and temperate regions.  Beside the following typical species, another occurs in the southwestern United States.

1. Iresine paniculàta.


Sources:

Nathanie1 L. Britton amd Addison Lord Brown,
An Illustrated Flora of the Northern United States, Canada, and the British Possessions from Newfoundland to the Parallel of the Southern Boundary of Virginia, and from the Atlantic Ocean Westward to the 102d Meridian, Charles Scribner's Sons, 1913

Wisconsin State Herbarium, University of Wisconsin - Madison, WISFLORA: Wisconsin Vascular Plant Specie
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