Why does Xinhua Full Media+丨 Skill Spear Spear attracted much attention?
Author:Xinhuanet Time:2022.09.18
Flowers, fruits, leaves (taken on August 10, 2021) shooting spiked spears in the wild. Xinhua News Agency (Photo by Hu Jun)
In 1908, sharp dental monopoly was discovered in western Sichuan Province
But for more than 110 years, no one has discovered the species
Until August 2021
Hu Jun, assistant researcher at the Chengdu Institute of Biological Research, Chinese Academy of Sciences
When leading the team to conduct inspection tasks
On a cliff on a canyon in the south slope of Gongga Mountains
About 15 species of suspected sharp -toothing spear are found
Observation, molecular experiments, etc.
The final confirmation is that this is a century -old spiked spear!
Researchers also entrusted painting teachers to draw scientific hand -drawn drawings for the species
Skin Spear hand -painted. Interviewee confidence
The picture shows a photo of the sharp -toothing spear wax leaf leaf. On the left is the main mode specimen collected in 1908, and on the right is the new specimen collected by Hu Jun and others in 2021. Interviewee confidence
When discovering, some plants are blooming
This makes the inspector feel very excited
Because all previous information about this species describes "flowers have not seen"
Hu Jun showed his spiked spear specimen (taken on August 17). Xinhua News Agency reporter Liu Kun
Currently
According to the classification and standard of the Red List of the International Nature Protection (2022)
Skin -dental spear is evaluated as extreme endangered species
Hu Jun introduced that there are very little distribution zone and population volume of sharp dental governments
Mainly grow on cliffs
It is more sensitive to light and humidity environment
Human interference may have a adverse effect on its growth
This discovery
For the first time describing and clarifying the characteristics of the flower parts of the sharp -toe spear
Filled and fixed a number of wrong morphological features recorded attribute information
"In October, we plan to go to the sharp -toothing spear again to discover the land,
Collect its seeds,
Put it in the seed library to save the germ resources,
Subsequent development, artificial breeding and other tasks,
To better protect it. "Hu Jun said.
Hu Jun observed the specimen with a magnifying glass (taken on August 17). Xinhua News Agency reporter Liu Kun
For ten years
Scientific researchers of Chengdu Institute of Biological Research, Chinese Academy of Sciences
I also found it in western Sichuan
Nearly 20 new species such as the serpentine vine, Wolong basin, brown and white bead tree, etc.
Reporter: Xiao Lin, Liu Kun, Zhang Hailei
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