Elymus repens (root)
(Various title corrections, Source additions) |
(new layout) |
||
Line 14: | Line 14: | ||
=Botanical Voucher Specimen= | =Botanical Voucher Specimen= | ||
=Organoleptic Characteristics= | =Organoleptic Characteristics= | ||
+ | {| border=1 | ||
+ | | | ||
+ | {{Macroscopy | source=United States Dispensatory (1918) | ||
+ | | description=[Couch Grass (rhizome) ...] odor slight, aromatic; taste sweetish. [...] | ||
+ | No odor; taste slightly sweet.}} | ||
+ | |} | ||
=Macroscopic Characteristics= | =Macroscopic Characteristics= | ||
+ | {| border=1 | ||
+ | | | ||
{{Macroscopy | source=United States Dispensatory (1918) | {{Macroscopy | source=United States Dispensatory (1918) | ||
− | | description=Couch Grass | + | | description=Couch Grass is the dried rhizome, freed from remains of leaves and rootlets. |
− | is the dried rhizome, freed from remains of leaves and rootlets. | + | |
− | It is specifically characterized by its creeping | + | It is specifically characterized by its creeping rootstock, the leaves being flat, thin and finely veined, and the flowering glumes being glabrous or scabrous. |
− | rootstock, the leaves being flat, thin and finely veined, and the | + | |
− | flowering glumes being glabrous or scabrous. | + | |
Usually in pieces from 4 to 12 mm. in length and from 1 to 2.5 mm. in diameter; | Usually in pieces from 4 to 12 mm. in length and from 1 to 2.5 mm. in diameter; | ||
Line 28: | Line 33: | ||
smooth, lustrous, nodes with circular leaf-scars, a few root-scars and | smooth, lustrous, nodes with circular leaf-scars, a few root-scars and | ||
occasional slender roots; fracture tough, fibrous; internally lemon-yellow | occasional slender roots; fracture tough, fibrous; internally lemon-yellow | ||
− | and with a large, hollow pith | + | and with a large, hollow pith. [...] Roots |
filiform, irregularly branching, attaining a length of about 5 cm. and | filiform, irregularly branching, attaining a length of about 5 cm. and | ||
not more than 0.5 mm. in thickness, light brown or yellowish-brown, | not more than 0.5 mm. in thickness, light brown or yellowish-brown, | ||
Line 36: | Line 41: | ||
diameter, usually in pieces from three to six millimetres long. Strongly | diameter, usually in pieces from three to six millimetres long. Strongly | ||
furrowed longitudinally, hollow except at the nodes. Contains no starch. | furrowed longitudinally, hollow except at the nodes. Contains no starch. | ||
− | |||
− | |||
}} | }} | ||
− | + | |} | |
=Microscopic Characteristics= | =Microscopic Characteristics= | ||
+ | {| border=1 | ||
+ | | | ||
{{Macroscopy | source=United States Dispensatory (1918) | {{Macroscopy | source=United States Dispensatory (1918) | ||
− | | description= | + | | description= |
− | Under the microscope, | + | Under the microscope, transverse sections of Triticum show a single layer of strongly lignified |
− | transverse sections of Triticum show a single layer of strongly lignified | + | |
epidermal cells; a hypodermis of from 3 to 6 rows of more or less | epidermal cells; a hypodermis of from 3 to 6 rows of more or less | ||
polygonal cells with strongly lignified walls; a cortex of from 10 to 16 | polygonal cells with strongly lignified walls; a cortex of from 10 to 16 | ||
Line 71: | Line 75: | ||
thin, porous walls. | thin, porous walls. | ||
}} | }} | ||
− | {{Microscopy | source=Elan M. Sudberg, Alkemist Laboratories | + | |
+ | {{Media2 |cat=Microscopy | source=Elan M. Sudberg, Alkemist Laboratories | ||
| companyimage= AP-LOGO-Laboratories Crop - Copy.jpg | | companyimage= AP-LOGO-Laboratories Crop - Copy.jpg | ||
− | | companyURL=http://www. | + | | companyURL=http://www.alkemist.com |
| mainimage= Elymus_repens_-_Alkemist_Laboratories.png | | mainimage= Elymus_repens_-_Alkemist_Laboratories.png | ||
| caption1=Epidermis of the stem showing long and short cells observed at 400x with Acidified Chloral Hydrate Glycerol Solution. | | caption1=Epidermis of the stem showing long and short cells observed at 400x with Acidified Chloral Hydrate Glycerol Solution. | ||
| description= Couch Grass (root) (''Elymus repens'') | | description= Couch Grass (root) (''Elymus repens'') | ||
+ | | source2=Elan M. Sudberg, Alkemist Laboratories | ||
+ | | companyimage2= AP-LOGO-Laboratories Crop - Copy.jpg | ||
+ | | companyURL2=http://www.alkemist.com | ||
| image2= Elymus_repens-1-_Alkemist_Laboratories.png | | image2= Elymus_repens-1-_Alkemist_Laboratories.png | ||
| caption2= Loose and free floating starch granules observed at 400x with EtOH + glycerin + IKI + chloral hydrate. | | caption2= Loose and free floating starch granules observed at 400x with EtOH + glycerin + IKI + chloral hydrate. | ||
| reference= British Pharmacopoeia, 2003 | | reference= British Pharmacopoeia, 2003 | ||
| }} | | }} | ||
− | + | |} | |
=High Performance Thin Layer Chromatographic Identification= | =High Performance Thin Layer Chromatographic Identification= | ||
Revision as of 19:54, 17 March 2014
Contents |
Nomenclature
Elymus repens (L.) Gould Poaceae
Syn. Agropyron repens (L.) P. Beauv.; Elytrigia repens (L.) Desv. ex B.D. Jackson; Triticum repens L.
Standardized common name (English): couch grass
Botanical Voucher Specimen
Organoleptic Characteristics
|
Macroscopic Characteristics
|
Microscopic Characteristics
|
High Performance Thin Layer Chromatographic Identification
Supplementary Information
Sources
- ↑ United States Dispensatory (1918)
- ↑ United States Dispensatory (1918)
- ↑ United States Dispensatory (1918)
- ↑ Elan M. Sudberg, Alkemist Laboratories http://www.alkemist.com
- ↑ Elan M. Sudberg, Alkemist Laboratories http://www.alkemist.com