Northeastern Asian Flora
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Platanthera mandarinorum
Accepted Taxa
Platanthera komarovii
Platanthera mandarinorum
  • Japan Flora
  • Resources
Japan Flora: Roots somewhat thickened; stems 30-40 cm. long, 1-Ieaved below the middle; principal leaves lanceolate to oblong, sometimes linear-oblong, 6-12 cm. long, 1-3.5 cm. wide, ascending, obtuse, acute or rounded, rounded to abruptly narrowed at base, the upper reduced leaves 2-5, 1-2 cm. long, erect, lanceolate to narrowly so; racemes 5-12 cm. long; bracts lanceolate, 5-20 mm. long; flowers pale green; dorsal sepal broadly ovate to cordate- rounded, 3-nerved, 5-7 mm. long, the lateral sepals linear- lanceolate, 8-12 mm. long, gradually falcate, 3-nerved; petals obliquely ovate, obtuse, suddenly narrowed above the middle, the upper portion thickened; lip broadly linear, obtuse, 12-15 mm. long; spur rather obtuse, 2-3 cm. long; rostellum broad. Mountains and hills;

Honshu, Shikoku, Kyushu; highly variable. China.

var. maximowicziana (Schltr.) Ohwi. Stems 10-20 cm. longļ¼› leaves broadly lanceolate to narrowly oblong, obliquely spreading, the upper reduced leaves 1 or 2 or none; flowers smaller than in the typical phase, the spur shorter. July-Aug. High mountains; Hokkaido, Honshu (centr. and n. distr.) s. Kuriles.


Development supported by College of Agriculture and Life Sciences of Seoul
National University and Korea National Arboretum of Korea Forest Service.
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