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

Lecanorchis Blume


Leafless saprophytic herbs lacking chlorophyll. Rhizomes creeping or ascending, scaly, bearing numerous pale roots. Stems scapose, erect, slender, black wiry, simple or branched, with distant nodes bearing scale-like sheaths. Inflorescence terminal, racemose, with few to many flowers. Flowers, with prominent denticulate calyculus and abscission layer between perianth and ovary, perianth often subspreading; sepals and petals similar, narrow; lip connate by lower canaliculate claw with column, not spurred, dilated toward apex into limb and more or less 3-lobed, disc often hairy especially on midlobe; column slender, base forming tube with lip, dilated upward, apex with deep clinandrium and tall wing; anther terminal, incumbent, distinctly 2-celled; pollinia 2, soft granular, without caudicle or vicidium; stigma 3-lobed with modification, lateral lobes sterile, connate and forming an erect plate on ventral side of column, median lobe fertile and receptive, hidden behind sterile plate; rostellum short or obscure. Capsules cylindrical or fusiform-cylindrical, 3-locular.

Fewer than 20 species, from Japan, the Philippines and Malaysia through Indonesia to Papua New Guinea. Three species in Taiwan


1 Apex of lip distinctly 3-lobed.   (2)
+ Apex of lip unlobed.   Lecanorchis nigricans
2 (1) Apex of sepals and petals acute; lip with triangular lateral lobes, midlobe undulate or erose-lacerate along margin.   Lecanorchis japonica
+ Apex of sepals and petals obtuse to rounded; lip with semiorbicular lateral lobes, midlobe entire.   Lecanorchis thalassica

Lower Taxa

Related Synonym(s):


Related Objects  

Flora of China  
  • Lecanorchis.pdf
  • PDF

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