Poisonous Plant Seeds For Sale In District Of Columbia

They are often used in the treatment of certain heart complaints. * An easily grown plant, succeeding in ordinary garden soil, especially if it is rich in organic matter. * Yellowish flowers marked with rusty red, particularly on the inside; in spikes;...

* Aristolochia manshuriensis Komarov, Trudy Imp. S.-Peterburgsk. Guan mu tong Hocquartia manshuriensis (Komarov) Nakai; Isotrema manshuriense (Komarov) H.

* he plant contains calcium oxalate crystals in all parts, and because of this consumption of the raw plant material results in a powerful burning sensation. * The leaves are trifoliate, with groups of three leaves growing together at the top of one long...

* Threats to this species include habitat loss. The leaves are oval with pointed tips and serrated edges. * Ilex collina is a species of holly known by the common name longstalk holly.

A homeopathic remedy is made from the plant. Caution is advised since this is a poisonous plant. * Clematis recta , the Erect Clematis or Ground virginsbower , is a species of Clematis unusual in that it is a free-standing shrub rather than a climbing...

* All parts of these plants are considered toxic to humans, causing severe digestive discomfort if ingested, and also skin irritation. The main flowering stem is erect. * The leaves are deeply lobed with 3 to 7 toothed, pointed lobes in a palmate shape.

It was much used by the North American Indians and acquired a reputation as a heal-all amongst the earlier white settlers. * Asclepias tuberosa is a species of milkweed native to eastern North America .

These last two compounds have been shown to have potent anti-retroviral activity without serious side effects and they are being researched in the treatment of AIDS. In clinical trials about 67% of patients with mild to moderate depression improved when...

The dried leaves can also be used, they remain effective for 6 months after drying. * In their great first voyage to the New World, Christopher Columbus and his expedition were introduced to a plant whose smoke was called tobacco by the natives of Hispaniola.

* Perennial with small yellow flowers throughout the summer; makes a nice bluish mound of delicate foliage; will grow in deep shade; can seed itself about rather freely; native to southern Europe.

Extracts of the plant show antitumour activity. * Modern research has shown that the plant increases the white blood cell count and is of value when used to prevent bone marrow loss in cancer chemotherapy patients, it also has potential in the treatment...

Miyabeanum , and P. Papaver croceum, P. * The Iceland Poppy ( Papaver nudicaule syn. They were first described by botanists in 1759. Native to subpolar regions of northern Europe and North America, Iceland poppies are hardy but short-lived perennials...

* The whole plant, but especially the root, is analgesic, antirheumatic, galactogogue and rubefacient.The plant was often used medicinally by North American Indian tribes, though modern users should be aware of the plants potential toxicity.

* All parts of the plant contain nicotine, this has been extracted and used as an insecticide. It is called Winged Tobacco , Jasmine Tobacco , tanbaku , and sometimes Persian Tobacco , though the latter name is also used for Nicotiana persica .

* The fruit can be made into jams and preserves.

Devil's walkingstick ARSP2 Summary Duration Perennial Growth Habit Tree, Shrub Native Status L48 (N) Federal T/E Status National Wetland Indicator FAC, FACW- Morphology/Physiology Active Growth Period Spring and Summer After Harvest Regrowth Rate Bloat...

* Veratrum nigrum ( Black Hellebore ) is a medicinal plant and poisonous plant native to Asia and Europe . In China, it, and other false hellebore species are collectively called "li lu".

* Profuse scarlet fruit in early fall; leaves pale yellow in fall; sun or part shade; native to northeastern Asia. * The white inner bark is used in making string shoes.

It works by doubling the chromosome number. * The poisonous alkaloid 'colchicine' is extracted from this plant and used to alter the genetic make-up of plants in an attempt to find new, improved varieties.

The root is diaphoretic, diuretic and emetic. * Celastrus scandens , commonly called American Bittersweet or Bittersweet , is a species of staff vines that blooms mostly in June and is commonly found on rich, well-drained soils of woodlands .

Miyabeanum , and P. Papaver croceum, P. * The Iceland Poppy ( Papaver nudicaule syn. They were first described by botanists in 1759. Native to subpolar regions of northern Europe and North America, Iceland poppies are hardy but short-lived perennials...

When the plant is bruised, this smell becomes more like fine balsam. Its leaves resemble those of an Ash tree. * A good border plant with white or pinkish flowers on a vertical stalk; a long-lived plant, makes a substantial clump in the garden.

* Habitats: Woodland Garden Sunny Edge; Dappled Shade; Shady Edge. * Securinega suffruticosa (Pall.) Rehder = Flueggea suffruticosa (Pall.) Baill. * This plant is commonly used in Chinese herbalism, where it is considered to be one of the 50 fundamental...

Division after flowering or in autumn. * Helleborus niger is an evergreen plant with dark, leathery, pedate leaves carried on stems to 9–12 in (23–30 cm) tall. * In antiquity the most famous place for the black hellebore was the Phokian city of Antikyra...

* Many plants in this genus contain compounds of interest for their antitumour activity Petiole 1.5-3 cm, strong; leaf blade ovate to orbicular, 7-18 × 5-14 cm, leathery, light green, glabrous, base cuneate, margin crenate, apex acute to shortly acuminate;...

Crocea is a beautiful and stately plant, probably the most striking of all spurias. * Flora of Pakistan states: According to B. It thrives well in heavy loam in England (Bowley, l.c.).

It is little used in modern herbalism and any use should be carried out with caution since even minute doses can cause salivation and burning of the tongue. The stems are harvested in summer, the leaves are removed and the stems steamed until the fibres...