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冬日限定!广州落羽杉进入最佳观赏期

  • 2026-02-26 09:51:55
冬日限定!广州落羽杉进入最佳观赏期

华南国家植物园

落羽杉最佳观赏期到啦

落羽杉依水而居

叶子轻盈飘逸

人们穿梭于

水边色彩斑斓的落羽杉林中

冬日暖阳洒在湖面波光粼粼

美如画卷

落羽杉为柏科落羽杉属高大落叶乔木,因其羽毛状枝叶而得名。

每年12月至翌年1月,随着天气转凉,落羽杉叶片中的叶绿素的合成受到抑制,低温促进花青素等色素的合成,落羽杉叶由绿转黄再变红,最后回归大地母亲的怀抱,其变色过程大约可持续一个多月。

落羽杉广泛种植在南粤水网

蓬勃而又亲近

其实落羽杉的起源非常古老

老家也相当遥远

落羽杉早在侏罗纪晚期就出现在地球上了,在3000万年前,曾广泛分布于北美洲和欧亚大陆北部,第四纪冰川之后,仅在北美洲保存下来,见证过地球沧海桑田的落羽杉,从漫长的历史中走来,活成了“活化石”。

落羽杉原产美国东南部等地的沼泽地区

它是怎么漂洋过海来到我们身边的呢?

它的引种、保育以及推广

还有一段鲜为人知的故事

关于落羽杉的引种,还得从华南国家植物园创始人陈焕镛教授说起,陈焕镛是中外著名的植物学家,我国现代植物分类学主要奠基人。他于1919 年从哈佛大学森林系获林学硕士学位,满怀报国之心,随即归国,自此开始从事祖国植物学研究和教育事业。作为专业人士,陈焕镛敏感的觉察到外来植物落羽杉,在国家发展经济,造林绿化等方面的潜力,他非常关注落羽杉。从华南国家植物园标本馆保存的落羽杉腊叶标本,可见一斑,此标本由陈焕镛于1928年从香港植物园采集并鉴定,此为我国馆藏最早的落羽杉标本。

1928年的落羽杉标本(华南国家植物园标本馆供图)

“求中国科学之独立,与各友邦并驾齐驱。” 陈焕镛一生与许多国内外同行及植物园,开展了密切交流与合作,对提升中国植物学研究事业发展具有重要作用,合作交流的重要方式之一就是国际种子交换。种子交换(Index Seminum)是植物园间及其与其他树木园和类似机构交流植物材料的独特渠道,被誉为现代植物园的界定性特征,目前依然是植物园引种收集和种质交换的重要手段。据华南农业大学蒋英教授回忆,落羽杉是1928-1929年间,中山大学农林植物研究所成立之时,陈焕镛由美国加利福尼亚大学交换种子而来。

受气候影响

今年入秋虽较往年早

但后续冷空气强度偏弱、来得也少

落羽杉的变色节奏显得从容不迫

红叶渐染

不妨抽空走走

去捕捉这份“不急不缓”的诗意美景

记者:杨嘉良

部分来源:华南国家植物园微信公众号

责编:田德楚

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  1. CONNECT:[ UseTime:0.000431s ] mysql:host=127.0.0.1;port=3306;dbname=c460;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000779s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000947s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000275s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000724s ]
  6. SELECT * FROM `set` [ RunTime:0.000245s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000807s ]
  8. SELECT * FROM `article` WHERE `id` = 464469 LIMIT 1 [ RunTime:0.000500s ]
  9. UPDATE `article` SET `lasttime` = 1773777345 WHERE `id` = 464469 [ RunTime:0.000892s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 65 LIMIT 1 [ RunTime:0.000258s ]
  11. SELECT * FROM `article` WHERE `id` < 464469 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.000579s ]
  12. SELECT * FROM `article` WHERE `id` > 464469 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.000481s ]
  13. SELECT * FROM `article` WHERE `id` < 464469 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.002064s ]
  14. SELECT * FROM `article` WHERE `id` < 464469 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.005361s ]
  15. SELECT * FROM `article` WHERE `id` < 464469 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.002289s ]
0.173856s