Poisonous Plant Seeds For Sale In Pomona

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.

* A very ornamental plant, it should be planted into its permanent position as soon as possible because it dislikes root disturbance. Its leaves resemble those of an Ash tree. * This essential oil is emitted from the plant in hot weather and, on a still...

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

It is also used in allopathic medicine in the treatment of heart complaints. 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.

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

* Small, delicate plant forms a rounded mound, often loose and open; evergreen; 3" flowers in May, parents of this strain have flowers in variations of pink and purple; acid soil, good drainage; in the U.S. needs light shade in the North, more shade in...

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. It fell out of favour in the nineteenth century but recent research has brought it back...

* Small, delicate plant forms a rounded mound, often loose and open; evergreen; 3" flowers in May, parents of this strain have flowers in variations of pink and purple; acid soil, good drainage; in the U.S. needs light shade in the North, more shade in...

* The foliage was burned by the Cherokee as a natural insecticide, to smoke out gnats. * Native Americans used it for respiratory and muscle disorders, as a purgative, and as a ceremonial medicine.The plant was used as a traditional medicinal plant by...

* The plant most of us think of as Bleeding Heart; extremely popular, and for good reason; each arching spike, often held horizontally, is lined with an elegant row of pink and white "hearts"; flowers in May in New York; may die back to the ground in...

Description It is a dense, suckering shrub or small tree growing to 5 m tall, rarely 8 m. Baeticum (Boiss. The flowers are 3.5-5 cm diameter, violet-purple, often with small greenish-yellow spots or streaks.

It is taken internally in the treatment of complaints associated with weak kidney and liver energy such as menopausal problems (especially premature menopause), blurred vision, cataracts, tinnitus, rheumatic pains, palpitations, backache and insomnia.

The dried leaves can also be used, they remain effective for 6 months after drying. 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.

* Clump-forming tree or shrub, stems extremely prickly, lacy white flower panicles; leaves to 2-6' (that's feet, not inches)!! * The leaves usually have a number of slender prickles, they must be gathered before the prickles harden and are then chopped...

They are taken both internally and externally in the treatment of syphilitic, cancerous and other foul ulcers. Growing usually on the margins of woodland areas, it is native to Eastern, Southern and Central Europe .

* The foliage was burned by the Cherokee as a natural insecticide, to smoke out gnats. * Native Americans used it for respiratory and muscle disorders, as a purgative, and as a ceremonial medicine.The plant was used as a traditional medicinal plant by...

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 contain nicotine, this has been extracted and used as an insecticide.

It is dioecious, with male and female reproductive parts on separate plants. The leaves are oval with pointed tips and serrated edges. There are about 37 occurrences for an estimated total of 4000 individuals.

* A very ornamental and variable plant. * Requires an acid humus-rich soil, succeeding in part shade or in full sun in cooler areas. * It has attractive small, deep crimson-pink flowers that occur early summer.

Used for stamps, printing blocks, mosaics etc. * Wood - hard, elastic, very fine grained.

Wood - close-grained, soft, brittle. It is often found in recently disturbed areas, open woods, on nutrient-rich soil. It has been used to make baskets, mats, ropes and as an ornament on bows, arrows etc.

Used for stamps, printing blocks, mosaics etc. * Wood - hard, elastic, very fine grained.

Macounii ) is a boreal flowering plant. Miyabeanum , and P. Papaver croceum, P. In particular, P. It contains some opium. * The seed is very agreeable to the taste. Nudicaule has been shown to contain the benzophenanthidine alkaloid, chelidonine .

* 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 . * This is the red flowered form.

* Upright when young, broadening later; dark green leaves; fall color reddish purple, yellow green, or yellow; attractive pink or red capsule splits to reveal orange seed. * Euonymus europaeus , known as spindle , and also as European spindle and common...

* Upright when young, broadening later; dark green leaves; fall color reddish purple, yellow green, or yellow; attractive pink or red capsule splits to reveal orange seed. * Euonymus europaeus , known as spindle , and also as European spindle and common...

* Wormwood is a very bitter plant with a long history of use as a medicinal herb. The active ingredient Thujone is said to create a clear headed intoxication and is also reputed to be dangerous in excess.