æ°´ææï¼
æ°´æï¼å¦åï¼Metasequoia glyptostroboides Hu & W. C. Chengï¼ï¼è£¸åæ¤ç©æç§ãè½å¶ä¹æ¨ï¼å°æ对çï¼ä¸åãå¶çº¿å½¢ï¼äº¤äºå¯¹çï¼åäºåæç¾½ç¶å¤å¶ç¶ï¼é¿1-1.7åç±³ï¼ä¸é¢ä¸¤ä¾§æ4-8æ¡æ°å线ãééåæ ªãçæä¸åï¼è¿çå½¢ï¼å¾®å ·4棱ï¼é¿1.8-2.5åç±³ï¼æé¿æï¼ç§é³æ¨è´¨ï¼ç¾å½¢ï¼æ¯ç§é³å ·5ï½9ç§åï¼ç§åæå¹³ï¼å¨å´å ·çªç¿ ãæ°´æå±å¨ä¸ç代ç½å©çºªåæ°ç代约æ6ï½7ç§ï¼è¿å»è®¤ä¸ºæ©å·²ç»çï¼1941å¹´ä¸å½æ¤ç©å¦è å¨åå·ä¸å¿è°é溪ï¼ä»ç§°ç£¨å溪ï¼é¦æ¬¡åç°è¿ä¸é»åä¸å¤å¤èçç¨åéæ ç§ãæ®è¿å¹´è°æ¥ï¼åå·ä¸å¿ãç³æ±å¿ãæ¹åå©å·åæ¹åé¾å±±ãæ¡æ¤ååç°300ä½å¹´çå·¨æ ãæ°´æéåºæ§å¼ºï¼å湿润çé¿å¿«ï¼å京以ååå°åææ ½å¹ãæ质轻软ï¼å¯ä¾å»ºçãæ¿æãé 纸çç¨ï¼æ 姿ä¼ç¾ï¼ä¸ºåºåè§èµæ ã