Oleander grows to 2–6 metres (7–20 feet) tall, with erect stem. The leaves are light green and very glossy when young, maturing to a dull dark green. The flowers grow in clusters at the end of each branch; they are white, pink to red, 2.5–5 cm (1–2 in) diameter. They are often, but not always, sweet-scented. The fruit is a long narrow pair of follicles 5–23 cm (2–9 in) long, which splits open at maturity to release numerous downy seeds.
The tree is native to temperate and subtropical areas. 
 

It is a bushy, evergreen shrub or small tree growing 2.5–5 m (8–16 ft) tall and 1.5–3 m (5–10 ft) wide. The plant has a branched taproot. Its stem is aerial, erect, green, cylindrical, and branched. Its leaves are simple and petiolate, with alternate phyllotaxy. The leaf shape is ovate, the tip is acute, and the margin is serrated. Its flowers bloom in summer and autumn. 
The tree is native to the tropics and subtropics, but its native range is Vanuatu.
 

It is an herbaceous perennial plant, growing to 0.5–1 m tall. The leaves are spirally arranged, broadly lanceolate, 1–7 cm long and 2-2.5 cm broad. The opposite leaves are simple, elliptic or ovate to broad-lanceolate, sometimes linear and usually bleak. The flowers are zygomorphic, with two 'lips' closing the corolla tube
It is native to the Mediterranean region, from Morocco and Portugal north to southern France, and east to Turkey and Syria.
 

The plant is deciduous over part of its range, but evergreen in most locales. Growing from multiple trunks, it reaches a height of 4.6–9.1 meters (15–30 feet). The bark is whitish gray. The base of each leaf is accompanied by a pair of thorns on the branch. The dark brown fruit is a seed pod. 
The tree is native to tropical America.
 

the tamarind is a long-lived, medium-growth tree. The evergreen leaves are alternately arranged and pinnately lobed. The leaflets are bright green, elliptic-ovular, pinnately veined, and less than 5 centimeters in length. The pinnate leaves with opposite leaflets give a billowing effect in the wind. The tamarind flowers with red and yellow elongated flowers. Flowers are 2.5 cm wide, five-petalled, borne in small racemes, and yellow with orange or red streaks.  
It is native to  tropical and subtropical zones.
 

It is a perennial, erect sprawling or scandent, shrub. The leaves are broadly ovate, opposite, and simple and have a strong odour when crushed. L. camara has small tubular-shaped flowers, which each have four petals and are arranged in clusters in terminal areas stems. Flowers come in many different colours, including red, yellow, white, pink and orange. The flower has a tutti frutti smell with a peppery undertone. 

It is native to the American tropics

It is an erect, multi-branched shrub, that grows up to 1.5 m and has a spread of 1 m. The leaves are deeply incised, velvety and soft to the touch (due to glandular hairs). The flowers vary from pale pink to almost white and the plant flowers from August to January. The leaves may be strongly rose-scented, although the leaf shape and scent vary. 

It is native to the Cape Provinces and the Northern Provinces of South Africa, Zimbabwe and Mozambique.
 

It is an upright or scrambling shrub, normally growing to about 1 m in height. Its stems are succulent, hairy when young and becoming woody with age. The leaves often have a narrow, dark, zigzag "zone" of pigmentation, giving rise to both the scientific and common names. The flowers are borne in an umbel; individual flowers are markedly zygomorphic. The petals are narrow and a bright, deep pink, with reddish lines along the petals' length. Leaves are reniform and petiolate with an average diameter of 5 to 8 cm. 
it is native to southern Africa.