Tianfu Nature calendar | "disappear" for more than a hundred years, and meet you again (July 11, 2022)

Author:Chuanguan News Time:2022.07.11

The edge of the leaves has spikes, and the petiole is close to the branches and stems -this is the appearance characteristics of a plant specimen called a sharp -toothing spear collected by the famous "plant hunter" Wilson in western Sichuan. However, since the publication of the species, it has no message in the botanical world, a collection record recorded by "Chinese Botanicals", neither related pictures nor the venues stored in specimens.

In August 2021, he experienced hard search. In a canyon in the south slope of Gongga, Sichuan, and a canyon in Kowloon County, this mysterious plant "reunited" with Hu Jun, assistant researcher of the Chengdu Institute of Biology of the Chinese Academy of Sciences. (Previously reported → "Reunion" across the century! Plants that disappeared for more than a hundred years reappeared from Gongga Mountain in Sichuan)

It is particularly precious that this time the scientific examination was also collected for the first time to get the flower of the sharp -toothed spear -humid and dark cliffs, and on the parts of the spiked spear, the purple -red flowers are open. According to the form of flowers and molecular evidence, the scientific and molecular evidence belongs to the belonging to the somanic spear, and discussed and determined its correct scientific name words in accordance with relevant naming regulations.

Due to the small number of newly inspected spiked spear living groups, the distributed area is also vulnerable to the threat of natural disasters. According to the latest classification and standards, they still evaluate the sharp dental spear as extremely endangered species (CR).

This time, it is exciting -in the future, botanists will no longer need to meditate on three old specimens stored abroad. The beautiful plants of sharp -toothed spear will also be well known by more people.

Species small file

Skin -dental spear, the family of the dental spear family, its flower is obviously 5 bases, with 5 sepals, 5 petals, and 5 stamens. It is divided into 5 rooms in the well -developed sub -rooms.

In August 2021, the scientific research staff of the Chengdu Institute of Biology of the Chinese Academy of Sciences discovered the fresh dental spear in the Gongga Mountain area of ​​Sichuan. Evidence support will be attributed to the belonging to the Spear.

Main creators in this issue:

Written article/Wen Lumin

Photography/Hu Jun

Poster design/Shen Xiaoying Zhangzhen

Special support:

Sichuan Forestry and Grassland Bureau

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