2 Graines Ginkgo biloba, Arbre aux 40 écus

Ginkgo biloba, 40 ecus tree |

Ginkgo Biloba, a 40 ecus tree, has very decorated leaves, in the shape of a fan, green-tail that saw light yellow in the fall. Pushes quickly from seeds, is very rustic and extremely tolerant of pollution. Ideal for Bonsaï.

2 seeds - Medium germination: 60% scarification + cold stratification 2 months

The Ginkgo or Tree with forty ECUs or Tree with Apricots of silver2 (Ginkgo Biloba L., 1771) (银杏 Yínxìng in Chinese) is a species d 'trees and the The only current representative of family of Ginkgoaceae. It is also the only current species of Division of Ginkgophyta.

The ginkgo is a tree Dioic whose male individuals carry bouquets of pollen cones similar to kittens and whose female individuals have long peduncles bearing to Their end one ovule, naked (without being wrapped in an ovary), without petals.

In China, some specimens of this tree would have a lifespan exceeding the 3 000 years and more than 100 individuals would have more than 1 000 years3.

The ginkgoales appeared in Permian more than 270 Millions of years and have prospered worldwide to Mesozoic, in particular Jurassicn 1. But during the period of quaternary glaciations, the only species of phylum to subsist is ginkgo biloba which only survived in some rare refuges with the milder climate of the southern southern climate from China. It is considered a panchronic speciesn 2. In recent thousand years, it was cultivated for its ornamental interest and was transferred to Japan and in Korea around XII^e century.

In China, the old works of Pharmacopoeia ignore it since its medicinal use really started only after the publication in 1596 of the “ Compendium of medical matter ” by Li Shizhen. In East Asia, only ginkgo almonds were used in medicine and cooking. But while they are mainly used to treat various conditions of the respiratory and pulmonary routes in China, they are mobilized to solve digestion problems in Japan, and in the 2000s, it was the cognitive decline and the alteration of memory Elderly subjects which ensured the success of Ginkgo extracts in the West4.

Europe discovered the Ginkgo thanks to Engelbert Kaempfer, a German botanist doctor, in the service of Dutch Eastern India Company who stayed in Japan from 1690 to 1692 and who The first description in Amœnitatum Exoticarum, in 1712. He reported the first specimens of Ginkgo in Europe which were planted at Utrecht in the current Netherlands in 1730 , then the species was gradually dispersed in the major botanical gardens of Europe during the rest of the century. Particularly appreciated for its superb bright yellow foliage in the fall, the species is cultivated all over the world from XIX^e century.

In the West, the Ginkgo which fascinated by all its prodigious characteristics experienced a fabulous craze for the promises of its potential therapeutic profits at the end of the XX^e century. According to a survey carried out in 2007 on medicinal herbs, the Ginkgo and the Ginseng were the most popular in the world5.

Some interesting pharmacological properties of Ginkgo extract aroused the production of hundreds of publications, journals and research works, which after many efforts, ended up temperament the initial enthusiasm6.

Contents subject to the CC-BY-SA 3.0 license. Source : Article Ginkgo Biloba from Wikipedia in French (Authors)