Hydrangea arborescens (root)
From AHPA Botanical Identity References Compendium
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=Botanical Voucher Specimen= | =Botanical Voucher Specimen= | ||
=Organoleptic Characteristics= | =Organoleptic Characteristics= | ||
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+ | {{Organolepsy | source=United States Dispensatory (1918) | ||
+ | | description=Inodorous; taste sweetish, becoming slightly acrid. }} | ||
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=Macroscopic Characteristics= | =Macroscopic Characteristics= | ||
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+ | {{Macroscopy | source=United States Dispensatory (1918) | ||
+ | | description=Rhizome cylindrical, usually cut into pieces from 3 to 10 cm. in length and from 3 to 20 mm. in diameter; externally light brown to yellowish brown with a pinkish tinge, longitudinally wrinkled, marked by few elliptical lenticels and occasional prominent buds, short branches or stem scars; from the lower surface arise a few coarse fibrous roots; fracture tough, splintery; internally yellowish-white or light brown, bark thin, easily separable from the distinctly radiate wood which surrounds a prominent whitish pith. Roots attaining a length of 25 cm. and a thickness of 2 mm., irregularly bent and branching, otherwise resembling the rhizome with the exception of the pith being absent. }} | ||
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=Microscopic Characteristics= | =Microscopic Characteristics= | ||
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+ | {{Macroscopy | source=United States Dispensatory (1918) | ||
+ | | description=Under the microscope, sections of the rhizome of Hydrangea show a gray cork of a few rows of tabular cells, a cortex made up chiefly of parenchyma containing starch, large cells containing raphides and small isolated groups of stone cells or sclerenchymatous fibers; a woody cylinder composed of slender wedges made up of prominent tracheae with reticulate thickenings and tracheids separated by medullary rays one to three cells wide, the cells of which are filled with small starch grains; pith of large polygonal cells with prominent simple pores. The powder is light yellowish-brown, containing irregular fragments consisting of strongly lignified tracheae, tracheids and medullary ray cells; stone cells and sclerenchymatous fibers from 0.05 to 0.2 mm. in length, strongly lignified, the walls marked by simple and branching pores; raphides numerous, from 0.07 to 0.13 mm. in length; starch grains mostly single, more or less ellipsoidal, occasionally with a prominent central cleft and varying from 0.002 to 0.01 mm. in diameter. }} | ||
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{{Media2 |cat=Microscopy | source=Elan M. Sudberg, Alkemist Laboratories | {{Media2 |cat=Microscopy | source=Elan M. Sudberg, Alkemist Laboratories | ||
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| reference=British Herbal Pharmacopoeia, 1996 | | reference=British Herbal Pharmacopoeia, 1996 | ||
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=High Performance Thin Layer Chromatographic Identification= | =High Performance Thin Layer Chromatographic Identification= |
Revision as of 03:42, 25 March 2015
Contents |
Nomenclature
Hydrangea arborescens L. Hydrangeaceae
Standardized common name (English): hydrangea
Botanical Voucher Specimen
Organoleptic Characteristics
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Macroscopic Characteristics
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Microscopic Characteristics
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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