Query: what are some Flora of Henan or Orchids of Guizhou
Domain: plants
Relevant documents:
Vitis heyneana
Picea neoveitchii
Gastrodia elata
Tilia mandshurica
Fraxinus mandschurica
Paphiopedilum micranthum
Mazus gracilis
Paphiopedilum malipoense
Ulmus lamellosa
Galium rubioides
Itoa
Syringa reticulata
Syringa pubescens
Coriaria nepalensis
Alisma canaliculatum
Iris proantha
Typha davidiana
Paphiopedilum concolor