连香树种子高效繁育技术

连香树,又名山白果、紫荆叶木,双子叶植物纲金缕梅亚纲—连香树科—连香树属—连香树种,落叶乔木,雌雄异株,数量极少,属国家Ⅱ级保护珍贵树种。在中国自四川西部向东分布达安徽、浙江,向北到山西中条山。星散分布于皖、鄂、赣、浙、川、陕、甘及晋东南地区。喜湿,多生于海拔400~2 700 m的向阳山谷、沟旁低湿地或杂木林中。中性、酸性土壤中都能生长。

Paleocene Wuyun Flora in Northeast China: Amersinia and Beringiaphyllum of Cornaceae sensu

Specimens of Amersinia obtrullata and Beringiaphyllum pseudoantiquum in Paleocene Wuyun flora, Heilongjiang Province, Northeast China, were described and assigned to Cornaceae sensu. Infructescences formally allocated in Trochodendron sp. were reviewed and assigned to Amersinia obtrullata. Leaves described as Populus carneosa, Celastrophyllum subprotophyllum, Viburnum antiquum, V. asperum, Viburniphyllum finale, Protophyllum wuyunense, P. cf. haydenii, P. ovatifolium, Credneria inordinata were also restudied and assigned to Beringiaphyllum pseudoantiquum.

连香树

连香树(Cercidiphyllum japonicum)名五君树、山白果，系连香树科落叶大乔木，属古老孑遗植物之一，由于连香树分布地域较窄，现存数量有限，加之人类破坏十分严重，已近濒危边缘。现被列为国家二级保护树种，并列入《中国植物红皮书》。该树寿命长，材质优良，树干高耸。

名贵干果话榛子

榛子,别名棰子、山板栗,属于桦木科落叶灌木或小乔木野生干果,有＂坚果之王＂的美誉,是人们喜食的＂四大坚果＂（榛子、核桃、杏仁、腰果）之一。榛子在我国主要产于东北、华北和内蒙古东部山区。《诗经》中早就有食用榛子的记载，明清年问曾为宫廷所专享。采榛子的最佳季节大致是在白露前后，由树的上层先熟，中、下层后熟，熟透的榛子一碰就落，需要使劲才能摘下的榛子大多没成熟。