Aa maderoi
Aa maderoi
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Overview
Aa maderoi为兰科高山地生兰,原产南美安第斯帕拉莫及普纳草原。植物学指南。
Aa maderoi为兰科(Orchidaceae)天门冬目(Asparagales)南美Aa属地生兰。种加词maderoi用以纪念一位姓Madero的人士,此人可能是与安第斯山区植物学野外考察相关的采集者、植物学家或资助人。与Aa属所有物种相同,Aa maderoi为紧凑型地生多年生草本,适应安第斯高海拔生态系统的严苛环境条件,分布区涵盖委内瑞拉、哥伦比亚、厄瓜多尔、秘鲁、玻利维亚及阿根廷西北部的帕拉莫及普纳草原。植株贴地丛生质地坚实、披针形至椭圆形的基生叶莲座丛,以减少受安第斯高海拔生境常见的强风及霜冻(尤以夜间为甚)影响。叶莲座丛中央抽出纤细直立的花序轴,顶端着生密集的小花穗。Aa maderoi单朵花虽小,结构却颇为精巧,具三枚萼片、两枚花瓣、特化唇瓣及愈合的合蕊柱,均为兰科的定义性特征。唇瓣在兰花传粉生物学中尤为重要,充当来访昆虫的着陆平台与导向结构。Aa maderoi生长于安第斯草原土层浅薄、常呈酸性的土壤中,依赖与土壤真菌形成的菌根共生关系有效吸收养分。兰花种子缺乏胚乳、养分储备极少,其萌发完全依赖这类真菌联合体的建立。保护完整的安第斯高山生态系统对该物种的存续至关重要。
Taxonomy
| 目 | Asparagales |
| 科 | Orchidaceae (Orchid family) |
| Species | Aa maderoi |
常见问题
What family does Aa maderoi belong to?
Aa maderoi (Aa maderoi) belongs to the family Orchidaceae in the order Asparagales.
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