Poisonous Plant Seeds For Sale In Plano

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

* 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 species is commonly cultivated in temperate areas.

Dislikes dry soils, requiring cool, permanently moist conditions at the roots. Prefers almost full sun. Plants are very cold-hardy, tolerating temperatures down to about -30°c. A very ornamental plant.

Temperatures of 20–30 °C (68–86 °F) are best for adequate growth; an atmospheric humidity of 80 to 85% and soil without a high level of nitrogen are also optimal. * All parts of the plant contain nicotine, this has been extracted and used as an...

It blooms from April to May, with trusses of 6–12 flowers, campanulate, white to pink, and fragrant. * It is a shrub or small tree that grows to 3–12 metres (9.8–39.4 ft) in height, with leathery leaves that are oblong to oblong-elliptic, 8–14.5...

The plant is little used in modern herbalism but has been employed in the treatment of laryngitis and bronchitis. * The roots and the leaves are aphrodisiac, digestive, mildly expectorant and sedative.

* Ilex glabra is one of the very few evergreen shrubs (broadleaf or narrowleaf) to thrive in wet sites, noted for its evergreen foliage and upright, spreading, and suckering shrub growth habit when in species form.

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

Good results have also been achieved when the fruit has been used in treating respiratory tract infections, hypertension, Parkinson's disease and hepatitis. Extracts of the plant show antitumour activity.

The plant contains various toxic compounds, including daphnetoxin and mezerein, and these are currently being investigated (1995) for their anti-leukaemia effects. * Mezereum has been used in the past for treating rheumatism and indolent ulcers, but because...

* These open woodland plants grow 40 cm (16 in) to 80 cm (31 in) tall.The leaves that are coarsely toothed with deeply lobed margins. * Seeds In mid to late simmer, the berries turn bright red .

* Nicotiana alata is a species of tobacco . It is called Winged Tobacco , Jasmine Tobacco , tanbaku , and sometimes Persian Tobacco , though the latter name is also used for Nicotiana persica .

* All parts of the plant are poisonous, although mortality is very rare. In some cases, diarrhea is very severe, and at times the convulsions are markedly tetanic. The main toxin in the plant is cytisine, a nicotinic receptor agonist.

* With its white flowers it is beloved of bees in May and children in fall for the mahogany nuts. * It is in flower in May, and the seeds ripen in September. * A decidious Tree growing to 30 m.

The other herbs included in the formula are Arctium lappa, Ulmus rubra and Rumex acetosella. * The plant is part of a North American formula called essiac which is a popular treatment for cancer.

* Aralia spinosa is an aromatic spiny deciduous shrub or small tree growing 2–8 m tall, with a simple or occasionally branched stem with very large bipinnate leaves 70–120 cm long.

Wood - close grained, moderately hard. * Plants are sometimes grown as a hedge. * An evergreen shrub with dark green leaves, 2" golden-yellow bowl-shaped flowers in July; native to China, Japan.

The trees are beautiful in the spring with white blooms and in the fall the dark berries appear. Also known as The Common or European Privel, this tree is often used as a hedge. One thing to remember is a tree is grown indoors, it needs to acclimate to...

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

However it is commonly cultivated in gardens away from its native range. * 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 .

The bark fibres are also used in making paper. * Leatherwood was employed medicinally by a number of native North American Indian tribes who used it to treat a wide variety of ailments.

* It is native and endemic to Madagascar, but grown elsewhere as an ornamental and medicinal plant, a source of the drugs vincristineand vinblastine, used to treat cancer. * As an ornamental plant, it is appreciated for its hardiness in dry and nutritionally...

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

* Sheep laurel is a very poisonous narcotic plant the leaves of which were at one time used by some native North American Indian tribes in order to commit suicide. * The narrow evergreen leaves, pale on the underside, have a tendency to form groups of...

Maximum is an evergreen shrub growing to 4 m (13 ft), rarely 10 m (33 ft), tall. Succeeds in sun or shade, the warmer the climate the more shade a plant requires. The fruit is a dry capsule 15-20 mm (.60-.79 in) long, containing numerous small seeds .

Space plants 2' to 3' apart. Seed and tubers are poisonous. * 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...

It is also commonly planted as an ornamental, especially in xeriscapes. Ingestion of plant material can induce auditory and visual hallucinations similar to those of Datura stramonium, with the active compounds being concentrated in the seedpods and roots;...