Apocynaceae
Arabic Name : Ushar A large, branched bush or a small tree up to c. 5 m tall. Young branches clothed with cottony tomentum; old branches and main trunk with radially compressed, thick, styrofoam-like bark segments. Leaves subessile, opposite, decussate, broadly ovate to obvate, up to c. 15 (-20) x 8-10 cm, rather coriaceous, with cottony tomentum when young, later glabrescent to glabrous. Corolla cupulate, lobed down to c. 2/3 rd, waxy white outside, purplish-red-tipped on the inside, 10-20 mm across. Follicles large, spongy-inflated, subglobose, up to c. 12 cm long
of the plants that are used medicinally, and all its parts are poisonous, especially the milky juice found in all parts of the plant, and if the milky juice hits the eye, it may cause blindness. Slow pulse, blurred vision, and general weakness. If the amount is large, it leads to rapid, irregular heartbeat and delirium. Convulsions and heart failure may be followed by death
The poplar tree is a woody tree that bears lavender flowers. Its branches are coiled and with a cork-like structure, the color of the elm tree and its bark is covered with a light white fluff. Its large leaves are silver-green in color and grow in the opposite direction to the roots, while its flowers grow in the upper roots and produce fruits.
Normal growth rate and height from 2 to 5 m, dilation from 2 to 4 m and size from 7 to 10 cm
Cmmon names for the plant include Apple of Sodom, Sodom apple, stabragh ‚ king's crown, rubber bush, and rubber tree.
Its leaves are large, and their color is bluish-green without a neck, its branches are fragile, woody, and with spongy bark, and although it is a poisonous plant, and it has many risks to human health, its bark is used in many medical treatments
The plant is grayish-green in color. The leg is covered with a sunken white cork bark, The leaves are a little greasy
when scratching the leg a sticky milky liquid flows out
Its height is two or three meters and sometimes up to 5 meters, its dimensions are (8-15 * 4-10 cm) and its length may reach 20 cm
Al-Ashar is one of the plants found in the Kingdom of Saudi Arabia. It is a wild plant, but its original home is Southeast Asia and Africa. The tenth shrub grows from 3-5 m in height and is bumpy. The plant is poisonous. Its leaves are dark green, silvery greasy oval in shape, the flowers are gray on the outside and purple on the inside, and the flowers are gathered in axillary inflorescences, and large fruits open into dark seeds with hairs common in their spread. Helped with the use of dense natural areas. , Outward appearance trimming from time to time
واجب الطالبة رهف الوهيِّب لمادة تصنيف نبات نظري شعبة 1