By Admin, on January 19th, 2012
Cascara Picture from Wikimedia Commons
Rhamnus purshianus
Common Name: Cascara Sagrada.
Family: Rhamnaceae.
Known Hazards: There is the suggestion that this species could be mildly poisonous.
Habitats: Rich bottom lands and sides of canyons, usually in coniferous forests.
Range: Western N. America - British Columbia to California.
Physical Characteristics . . . → Read More: Cascara
By Admin, on January 19th, 2012
Buckthorn Photo From US National Park Service invasive plants factsheet.
Rhamnus cathartica
Common Name: Common Buckthorn.
Family: Rhamnaceae.
Known Hazards: The fruit is purgative but not seriously poisonous. Other parts of the plant may also be poisonous.
Habitats: Fen peat, scrub, hedges, ash and oak woods, on calcareous often dry . . . → Read More: Buckthorn
By Admin, on January 19th, 2012
Rehmannia Photo by Shizhao http://commons.wikimedia.org/wiki/File:Rehmannia.JPG
Rehmannia glutinosa
Common Name: Chinese Foxglove.
Family: Gesneriaceae.
Synonyms: R. chinensis.
Habitats: Well-drained stony ground along roadsides and in woods. Mountain slopes and trail-sides from near sea level to 1100 metres.
Range: E. Asia - N. China, Korea.
Physical Characteristics
Rehmannia glutinosa is a . . . → Read More: Rehmannia
By Admin, on January 19th, 2012
Lesser Celandine by H. Zell on Wikimedia Commons
Ranunculus ficaria
Common Name: Lesser Celandine.
Family: Ranunculaceae.
Known Hazards: All parts of the plant are poisonous. The toxins are unstable and of low toxicity, they are easily destroyed by heat or by drying. The sap can cause irritation to the skin.
. . . → Read More: Lesser Celandine
By Admin, on January 19th, 2012
Oak Photo by Jorchr http://commons.wikimedia.org/wiki/File:Svaneholm,_ek.jpg
Quercus robur
Common Name: Pedunculate Oak.
Family: Fagaceae.
Habitats: Often the dominant woodland tree, especially on clay soils and in the eastern half of Britain, but avoiding acid peat and shallow limestone soils.
Range: Europe, including Britain, from Scandanavia south and east to Spain, the . . . → Read More: Oak
By Admin, on January 19th, 2012
Wild Cherry Bark Photo from http://commons.wikimedia.org/wiki/File:Amerikaanse_vogelkers_bessen_Prunus_serotina.jpg
Prunus serotina
Common Name: Wild Cherry, Rum Cherry.
Family: Rosaceae.
Known Hazards: The seeds and leaves of this species contain high quantities of hydrogen cyanide, a poison that gives almonds their characteristic flavour. This toxin is readily detected by its bitter taste. Usually present . . . → Read More: Wild Cherry
|
|