All Floras      Advanced Search
Flora of Taiwan Login | eFloras Home | Help
Flora of Taiwan | Family List | Orchidaceae | Yoania

Yoania japonica Maxim., Bull. Acad. Imp. Sci. Saint-Petersburg. 18: 68. 1872; Mel. Biol. 8: 647. 1873; Chang & Lin, Bull. Taiwan Forest Res. Inst. new ser. 5(4): 260, pl. 1. 1990.


  • Yoania japonica var. squamipes Fukuy.
  • Yoania squamipes (Fukuy.) Masam.

    Plants ca. 20-25 cm long. Rhizomes terete, more than 10 cm long, 8-10 mm in diam., enclosed by sheaths at nodes, with many short branches, branches 1-4 cm long. Inflorescence 5-20 cm long, with few to more than 10 flowers; peduncle with scale-like sheaths near base; bracts ovate-triangular, ca. 8 mm long, pedicel and ovary 6-9 cm long, glabrous. Flowers pink to red, fleshy, ca. 4.5 cm in diam. when expanded; dorsal sepal elliptic, 2.2-2.8 cm long, 1.2-1.4 cm wide, obtuse to rounded at apex; 7nerved; lateral sepals oblong, 2.5-2.8 cm long, 1.1-1.3 cm wide, obtuse, slightly oblique; petals connivent, oblong, 2.1 cm long, 1 cm wide, 7-nerved; lip consisting of large forward-extending saccate spur and narrow limb above, ca. 2 cm long, 1.3 cm tall, spur pale yellow, apex rounded, limb with incurved lateral lobes merging into 2 oblong calli near apex, with pointed callus between them and protruding at apex of limb; column 8-10 mm tall, with 2 erect acute processes at apex; anther ovate, 4 mm long, long beak curved downwards; pollinia 4, 2 compressed ovoid pairs, attached to crescent viscidium. Capsules cylindric, 5 cm long.

    HUALIEN: Hoping logging road, Chang 001; Su 9333*; Lai s. n. May 2000.

    China and Japan. Taiwan, broadleaved and mixed broadleaved and coniferous forests at middle elevations, rare.


    Related Objects  

    Flora of China  
  • Illustration
  • Illustration
  • Illustration
  • Illustration

  •  |  eFlora Home |  People Search  |  Help  |  ActKey  |  Hu Cards  |  Glossary  |