Spiranthes sunii Boufford & Wen H.Zhang 2008
Photo by © David Boufford and Sun Hang and the Biodiversity of the Hengduan Mountains Orchid Website
TYPE Drawing by © Boufford & Wen H.Zhang and Flora of China Vol 25 Illustrations Zhengyi, Raven & Deyuan 2010
Common Name Suni's Spiranthes - In China Song Shi Shou Cao [Chinese Professor Sun Xuegang director of the herbarium at Gansu Agricultural University current]
Flower Size .6" [1.5 cm]
Found in Gansu province of China in remnant mixed deciduous forests in hard packed soil in pockets and crevices on ledges along streams, grasslands and mixed forests at elevations of 800 to 900 meters a miniature to small sized, warm growing terrestrial with 5 to 7, spreading, spathulate, elliptic to narrowly lanceolate, acute, basally contracted into the petiolate base leaves that blooms in the spring on an erect, peduncle 2.4 to 6" [6 to 15 cm] long, basally sparsely glandular pubescent, distally densely so, rachis 1 to 2.4" [2.5 to 6 cm] long, spirally arranged, 1.5 to 2.5 turns, several to many flowered inflorescence with obovate, elliptic to rhombic, sparsely glandular pubescent, acuminate apically, longer than the ovary floral bracts and carrying fragrant flowers.
"Similar to Spiranthes sinensis but S sunii has tubular-cylindrical flowers that are white with the sepals and petals equally as long and erect, with the lip not recurved to slightly recurved." Boufford & Wen H.Zhang 2008
Synonyms
References W3 Tropicos, Kew Monocot list , IPNI ;
* Harvard Pap. Bot. 13: 261 Boufford & Wen H.Zhang 2008 Drawing
Flora of China Vol 25 Zhengyi, Raven & Deyuan 2009;
Flora of China Vol 25 Illustrations Zhengyi, Raven & Deyuan 2010 drawing fide
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