Query: what are some orchids of sichuan or some plats of north korea
Domain: plants
Relevant documents:
Ponerorchis dolichocentra
Ponerorchis gonggashanica
Ponerorchis compacta
Gastrodia elata
Malus komarovii
Goodyera yunnanensis
Astilbe simplicifolia
Pleione limprichtii
Tilia mandshurica
Ponerorchis amplexifolia
Ponerorchis papilionacea
Ponerorchis bifoliata
Pogonia japonica
Ponerorchis physoceras
Ponerorchis ovata