Platanthera densa Freyn 1896

Photo by © Bing Liu and Kew's Orchids of the World Website

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Common Name The Dense Platanthera - in China Duo Ye She Chun Lan

Flower Size

Found in southeastern Siberia, Korea and Xizang province of China in alpine meadows as a small sized, cold growing terrestrial with a narrowly fusifom, shortly 2 lobed rootstock giving rise to an erect stem provided with 2 tubular, basal sheaths and carrying 2, cauline, elliptic, obtuse, contracted and clasping base leaves that blooms in the late spring on an erect, peduncle provided with a single lanceolate bract, rachis 2.4" [6 cm] long, subdensely 15 flowered inflorescence with ovate-lanceolate almost twice as long as the ovary floral bracts.

Related to P chlorantha but differs in the long stems and decurrent stamens, located in the middle of the stem.

Synonyms Habenaria subulifera W.W.Sm. 1921; Platanthera chlorantha var. densa (Freyn) Soó 1929; Platanthera densa subsp. orientalis (Schltr.) Efimov 2006; Platanthera freynii Kraenzl. 1913; Platanthera sigmoidea F.Maek. 1935; Platanthera subulifera (W.W.Sm.) Schltr. 1924

References W3 Tropicos, Kew Monocot list , IPNI ;

* Oesterr. Bot. Z. 46: 96 Freyn. 1896

Russk. Bot. Zhurn. 1913: 37 Kraenzlin 1913 as Platanthera freynii nom. superfl.

Notes Roy. Bot. Gard. Edinburgh 13: 210 W W Sm. 1921 as Habenaria subulifera

Repert. Spec. Nov. Regni Veg. 20: 381 Schlechter 1924 as P subulifera

Ann. Hist.-Nat. Mus. Natl. Hung. 26: 358 Soo 1929 as Platanthera chlorantha var. densa

J. Jap. Bot. 11: 379 F Maek. 1935 as P sigmoidea

Bot. Zhurn. (Moscow & Leningrad) 91: 1723 Efimov 2006 as P densa subsp. orientalis

Flora of China Vol 25: 109 Orchidaceae Zhengyi, Raven and Duyuan 2009;

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