春天麻，中国大陆天麻属一新记录种

Gastrodia fontinalis, A Newly Recorded Species of Gastrodia to Mainland China

摘要:

报道了在广西姑婆山自治区级自然保护区发现的中国大陆兰科（Orchidaceae）天麻属（Gastrodia R. Br.）一新记录种春天麻（G. fontinalis T. P. Lin）。该种花期植株高可达17.0 cm，果期植株高达85.0 cm，有花1~7朵，花被筒钟形，长约2.1 cm，基部略膨大，唇盘具6~8条脊，中间2条延伸至舌状先端。提供了春天麻的形态描述和彩色图版，并讨论了该发现的生物地理学意义。

Abstract:

Gastrodia fontinalis T. P. Lin, discovered in Guposhan Nature Reserve of Guangxi, is reported as a newly recorded species to Mainland China. Its flowering plants up to 17.0 cm tall with 1-7 flowers, fruiting plants up to 85.0 cm tall, perianth tube campanulate, ca. 2.1 cm long, base slightly enlarged, and lip disc with 6-8 longitudinal ridges, 2 of which in the middle extending to the lingual apex. Detailed morphological description and color pictures of G. fontinalis are provided, and biogeographic implication of the new discovery are discussed in the present paper.