Hydrastis canadensis (aerial parts)

Nomenclature

Hydrastis canadensis L.   Ranunculaceae  
Standardized common name (English): goldenseal

Introduction

Introduction from Wikipedia, the free encyclopedia (http://en.wikipedia.org/wiki/Hydrastis_canadensis, retrieved 02/27/2012).

Goldenseal (Orange-root, Orangeroot; Hydrastis canadensis) is a perennial herb in the buttercup family Ranunculaceae, native to southeastern Canada and the northeastern United States. It may be distinguished by its thick, yellow knotted rootstock. The stem is purplish and hairy above ground and yellow below ground where it connects to the yellow rhizome. The plant bears two palmate, hairy leaves with 5–7 double-toothed lobes and single, small, inconspicuous flowers with greenish white stamens in the late spring. It bears a single berry like a large raspberry with 10–30 seeds in the summer.

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Microscopic Entries

Unicellular covering trichome observed at 400x with Acidified Chloral Hydrate Glycerol Solution.cellular structures identified in this botanical specimen are the unicellular covering trichome and the lower epidermis showing sinuous cell walls when observed at 400x with Acidified Chloral Hydrate Glycerol Solution. Source: Elan M. Sudberg, Alkemist Laboratories