双蕊兰分布区域及物候观测新发现

The Distribution of Diplandrorchis sinica S.C. Chen and the New Discovery of Phenological Observation

孑遗植物双蕊兰,是老秃顶子独有物种。1964年至2014年,老秃顶子保护区共发现4处,分别在高压线1处,象鼻沟2处,抚顺管理局大东沟1处,而且均分布在海拔600—700米的天然林内。2015年8月27日,在老秃顶子保护区森林博物馆后山日本落叶松人工林内,又发现了1处双蕊兰,通过对其物候观测,发现和以往4处双蕊兰有所区别。

The precious plant -- Diplandrorchis sinica S. C. Chen, is the world＇s only Laotudingzi National Nature Re- serve unique species, from 1964 to 2014, four places were found in Laotudingzi National Nature Reserve. Respectively, one is in the high tension line, two in trunk channel, and another one in administration of fushun dadonggou. They are distribu- ted within the natural forest in 600-700 meters above sea level. On August 27, 2015, a new Diplandrorchis sinica S. C. Chert was found in Larix kaempferi artificial forest behind the Laotudingzi National Nature Reserve forest museum, Through the phenology observed, it has differences with the other four.