The botanical name of the tree is Alstonia scholaris and is locally known as Saptaprani or Indian Devil Tree. It was named after Professor C. Alston, a botanist of Edinburgh. It has a cluster of white conical flowers which emanates this devilish smell.Jan 6, 2017
Alstonia longifolia is the only species growing in Central America (mainly shrubs, but also trees 20 m high). The leathery, sessile, simple leaves are elliptical, ovate, linear or lanceolate and wedge-shaped at the base.
Toxicity. This is a toxic plant. At high doses, an extract of the plant exhibited marked damage to all the major organs of the body in both rats and mice.
AlstoniaAlstonia / Scientific name
According to officials, Alstonia Scholaris — commonly called Blackboard tree or the Indian Devil tree — would be replaced by trees that don't affect people. "If asthma patients stand near the tree for a longer time, they could develop breathing problems. We want to make the city people and environment friendly.Nov 29, 2010
It is of two types; (a) opposite and superposed, (b) opposite and decussate. Ocimum, guava and Calotropis have opposite decussate phyllotaxy.
Saptaparni (Alstonia) for healing wounds Alstonia plant is known to be highly effective in the treatment of wounds.Dec 15, 2020
The pollen from Peltophorum (Paccha Turai Mokka) causes the bronchitis among the children and 'Alstonia Scholaris' causes asthma, sinusitis, eye related issues and skin allergies also.Nov 29, 2017
However, it thrives well in areas where annual rainfall is about 100–150 cm, as it prefers a fairly moist habitat. The species grows well in the red alluvial soil having proper aeration. It can thrive in black cotton soils as well, but the growth is slow due to prevailing moist soil conditions during rainy season.
The flowers are small and greenish-yellow in color. The fruits are thin pods that can grow up to 20 inches long. The sap of the tree is sticky and bitter.
whorled phyllotaxyIn whorled phyllotaxy more than two leaves arise from the node. It is seen in Alstonia. It also shows simple reticulate venation. Thus, the correct answer is 'Alstonia.
Special Character: Indigenous (native to India) Fragrant flowers or leaves.