Specification & Spread
Wutong tree leaves — folia firmianae simplicis
Wutong tree — firmiana simplex (l.) W.f. wight ( = sterculia platanifolia l.)
Chocolate family — sterculiaceae.
It is a deciduous tree with a rounded or umbrella-shaped head 15-20 (30) m tall.
The stock is straight with smooth greyish bark.
The leaves are large, 3-5 deep-fingered, with long petioles.
The dicate flowers are small, with a simple yellowish-green perianth, gathered in the final paniculate inflorescences up to 25 cm long. The staminate flowers are with 10-15 stamens, fused together in a column. The pistillate flowers are with 5 pistils, free at the base and fused at the top.
The fruit is a leathery polyleaf with a length of 3-10 cm.
The native country of the plant is subtropics of China and Indochina. In the CIS, it is cultivated as an ornamental tree throughout the southern coast of the Crimea, along the Black Sea coast of the Caucasus, in Turkmenistan, Uzbekistan and Tajikistan.
In the leaves of wutong tree nitrogenous bases are contained:
- choline and betaine (2.74-2.83%).
These substances are associated with the tonic effect of preparations by the trademarks.
There are also found:
- water-soluble polysaccharides (3.38-3.94%),
- ascorbic acid (0.9-1.14%),
- tannins mainly condensed groups (2.53-2.67%),
- flavonoids (rutin, quercetin),
- free amino acids (aspartic acid - 0.8%, etc.),
- organic acids,
- resinous substances (4.20-4.63%) and
- traces of alkaloids (caffeine and theobromine).
Harvesting and storage of raw materials
Harvesting. When harvesting, selective cutting of branches is done with secateurs, cutting cuts or knives. The leaves from cut branches are manually torn off along with the stalk.
Drying. Iy is dried in well-ventilated areas or in dryers with artificial heating at a temperature not exceeding 80 °C. When air-dried leaves are laid out in a thin layer. For uniform drying, it must be periodically inverted.
Security measures. The harvesting of the raw materials from the same trees is recommended to be carried out 1 time in 2 years.
External signs of raw materials
The leaves are petiolate, bare or slightly pubescent from the underside of the plate, rather large, broadly ovate in outline.
The blades are palmatilobate, up to 35 cm long, with 3-5 acuminate laminas, heart-shaped at the base.
The colour is green or light green. The smell is weak, peculiar.
Properties and application
The galenical preparations from the leaves have:
- adaptogenic and tonic effect,
- prevent or slow down the development of acute and chronic fatigue.
Application of wutong tree
From the leaves the tincture is got, which is applied
in asthenic syndrome, during activities associated:
- with major neuropsychic and physical stress,
- with overwork,
- decrease in muscle tone.
Pregnancy and lactation, child age, idiosyncrasy, insomnia.