Poisonous Plant Herbaceous Plant For Sale In District Of Columbia

* Mostly identical to the species, which see, but with white flowers.

Seeds with whitish elaiosomes are borne in long pods .The plant often goes dormant in summer after blooming. * The plant most of us think of as Bleeding Heart; extremely popular, and for good reason; each arching spike, often held horizontally, is lined...

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

* The young leaves can be eaten raw or cooked as a potherb, added to soups etc. They make an attractive garnish to salads, and can also be used as a cookedvegetable or in conserves etc.

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. * The plant contains many biologically active compounds including rutin, pectin, choline,...

Division after flowering or in autumn. * This species produces flowering plants in 2 - 3 years from seed. * In antiquity the most famous place for the black hellebore was the Phokian city of Antikyra in Greece.

The leaves are long-stalked and uniquely divided into two leaflets about 1 1/2 inches long. Named for Ferdinand Roemer, a German geologist who collected specimens in the New Braunfels, Texas, area from 1845-47.

* Grown as a garden flower due to its unique flower shape. Care should be taken however, because all parts of the plant are poisonous.

* 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".

The leaves are spirally arranged, simple, 10–35 cm long and 5–12 cm broad, and are covered with gray-white pubescent and glandular hairs, imparting a woolly texture. It is also used in allopathic medicine in the treatment of heart complaints.

), is a medicinal plant of the Liliaceae (lily family) or Melanthiaceae which is native to Europe . * Upright stems topped by 1/2-1" flowers in a branched flower head, white, green, or yellowish; grows in wet, grassy subalpine meadows and open woods;...

* In Eurasia, some authorities distinguish between cultivated and wild versions of parsnip by using subspecies sylvestris for the latter, or even elevating it to species status as Pastinaca sylvestris.

Its effectiveness has never been reliably proven or disproven since controlled studies have not been carried out. * The plant is part of a North American formula called essiac which is a popular treatment for cancer.

Hardy to at least -15°c. A very ornamental plant. Succeeds in full sun so long as the soil does not dry out in the summer, otherwise it should be grown in partial shade in any moderately fertile well-drained soil.

* Soapwort's main medicinal use is as an expectorant. Its strongly irritant action within the gut is thought to stimulate the cough reflex and increase the production of a more fluid mucus within the respiratory passages[

Grows well in heavy clay soils. * Aconitum napellus (Monkshood, "aconite", "Wolf's Bane", Fuzi , "Monk's Blood", or "Monk's Hood") is a species of Aconitum in the family Ranunculaceae , native and endemic to western and central Europe .

A very ornamental plant. Succeeds in open woodland or along the woodland edge. Mountain-laurel is the state flower of Connecticut and Pennsylvania . Dislikes dry soils, requiring cool, permanently moist conditions at the roots.

* 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. It works by doubling the chromosome number.

* A sprawling plant unless staked, perhaps best for romping through a semi-wild border; small blue flowers in considerable numbers in midsummer; full sun or part shade, persistent once established; native to China.

The root is analgesic, antibacterial, antiviral, depurative, diaphoretic, diuretic, febrifuge, sedative, tonic. * The common name of bugbane is in reference to the odoriferous insect repellant properties of this plant.

* A very ornamental plant, it is hardy to about -20°c. * Plants seem to be immune to the predations of rabbits. * Bergenia crassifolia is an evergreen Perennial growing to 0.3 m (1ft) by 0.8 m (2ft 7in).

Caution should be used as parts of this tree are poisonous and should not be around small children. Taxus cuspidata can do any size pot or style of bonsai but do not like soggy soils and need good drainage to thrive.

It merits consideration for cultivation in forest areas. * The Virginia snakeroot is attracting increasing interest for its medicinal virtues and as a result is becoming uncommon in the wild.

* The plants flower from late spring to late summer, and are pollinated by butterflies and bumble bees. * All parts of these plants are considered toxic to humans, causing severe digestive discomfort if ingested, and also skin irritation.

* Primula denticulata , commonly known as Drumstick primrose or the Himalayan Primrose is a species of primrose that is native to moist alpine regions and Afghanistan to China . However it is commonly cultivated in gardens away from its native range.

It is obtained from the flowers according to other reports. * A yellow dye is obtained from the whole plant. * This is considered a noxious weed in some areas. A tea made from the plant has been used as an insecticide.

Tips of older shoots are cooked like spinach. Young seed pods, harvested when 3 - 4 cm long - cooked. Typically, its stems are branched and the clump forming plants emerge in late spring after most other plants have begun growth for the year.