Hydrastis canadensis (aerial parts)

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=Macroscopic Characteristics=
 
=Macroscopic Characteristics=
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{{Macroscopy | source=United States Dispensatory (1918)
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| description=Hydrastis canadensis is a small, herbaceous, perennial plant, with a thick, fleshy, yellow (rhizome, from which numerous long roots arise, and an erect, simple, pubescent stem, from six inches to a foot in height. There are usually but two leaves, which are unequal, one sessile at the top of the stem, the other attached to the stem, a short distance below by a thick roundish footstalk, causing the stem to appear as if bifurcate near the summit. The leaves are pubescent, roundish-cordate, with from three to seven, but generally five, lobes, which are pointed and unequally serrate. A solitary flower stands upon a peduncle rising from the basis of the upper leaf. It is without corolla, but with a greenish white calyx, the sepals of which closely resemble petals, and are very caducous, falling very soon after the flower has expanded. The fruit is a globose, compound, red or crimson berry, half an inch or more in diameter, composed of many fleshy carpels, each tipped with a short curved beak, and containing one or rarely two seeds. }}
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=Microscopic Characteristics=
 
=Microscopic Characteristics=
 
{{Media2 |cat=Microscopy | source=Elan M. Sudberg, Alkemist Laboratories
 
{{Media2 |cat=Microscopy | source=Elan M. Sudberg, Alkemist Laboratories

Revision as of 02:57, 25 March 2015

AHPA recognizes other valuable resources exist regarding the identity of Hydrastis canadensis.

To submit a suggestion or contribution, please contact Merle Zimmermann.

Contents

Nomenclature

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

Botanical Voucher Specimen

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Hydrastis canadensis Tropicos 100105541.jpg
Source: MOBOT, Tropicos.org[1]


Organoleptic Characteristics

Macroscopic Characteristics

Hydrastis canadensis is a small, herbaceous, perennial plant, with a thick, fleshy, yellow (rhizome, from which numerous long roots arise, and an erect, simple, pubescent stem, from six inches to a foot in height. There are usually but two leaves, which are unequal, one sessile at the top of the stem, the other attached to the stem, a short distance below by a thick roundish footstalk, causing the stem to appear as if bifurcate near the summit. The leaves are pubescent, roundish-cordate, with from three to seven, but generally five, lobes, which are pointed and unequally serrate. A solitary flower stands upon a peduncle rising from the basis of the upper leaf. It is without corolla, but with a greenish white calyx, the sepals of which closely resemble petals, and are very caducous, falling very soon after the flower has expanded. The fruit is a globose, compound, red or crimson berry, half an inch or more in diameter, composed of many fleshy carpels, each tipped with a short curved beak, and containing one or rarely two seeds.

Source: United States Dispensatory (1918) [2]

bottomright bottomright

PlantaPhile - 264.jpg
Source: PlantaPhile[3]

PlantaPhile - 3163.jpg
Source: PlantaPhile[4]

Microscopic Characteristics

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Hydrastis - Alkemist Laboratories.jpg
Unicellular covering trichome observed at 400x with Acidified Chloral Hydrate Glycerol Solution.
Source: Elan M. Sudberg, Alkemist Laboratories[5]

Hydrastis-1 - Alkemist Laboratories.jpg
Lower epidermis showing sinuous cell walls observed at 400x with Acidified Chloral Hydrate Glycerol Solution.
Source: Elan M. Sudberg, Alkemist Laboratories[6]

High Performance Thin Layer Chromatographic Identification

Supplementary Information

Sources

  1. MOBOT, Tropicos.org http://www.tropicos.org/Image/100105541
  2. United States Dispensatory (1918)
  3. PlantaPhile http://plantaphile.com/
  4. PlantaPhile http://plantaphile.com/
  5. Elan M. Sudberg, Alkemist Laboratories http://www.alkemist.com
  6. Elan M. Sudberg, Alkemist Laboratories http://www.alkemist.com
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