question: Are Cymbidium and Pterocactus both in the Orchidaceae family?
answer: no
context: Title: Sudamerlycaste locusta
  Passage: Sudamerlycaste locusta is a species of flowering plant in the Orchidaceae family.
  Title: Cymbidium
  Passage: Cymbidium , or boat orchid, is a genus of 52 evergreen species in the orchid family Orchidaceae.  The new Latin genus name is derived from the Latin "cymba" meaning boat.  Its first known use was in 1815.
  Title: Cymbidium madidum
  Passage: The Northern Cymbidium (Cymbidium madidum) is a species of plant in the Orchidaceae family, also known as the Buttercup Orchid and Moist Forest Cymbidium.
  Title: Lycaste aromatica
  Passage: Lycaste aromatica, common name The Sweet Scented Lycaste, is a species of flowering plant in the genus "Lycaste", belonging to the Orchidaceae family.
  Title: Dendrobium taurinum
  Passage: Dendrobium taurinum, the bull orchid, is a species of flowering plant in the Orchidaceae family.  It is found in the Philippines and in the Indonesian Province of Maluku.  The size of the flower ranges from 5 to 6.5 cm.
  Title: Cymbidium angelica
  Passage: Cymbidium angelica, often referred to as the Christmas angel, is a member of the Orchidaceae family.
  Title: Symphyglossum sanguineum
  Passage: Symphyglossum sanguineum is a species of flowering plant in the Orchidaceae family.
  Title: Clowesia
  Passage: Clowesia is a genus of the Orchidaceae family.  Species of this genus are epiphytic and contain many pseudobulbs with several internodes.  The leaves of this plant are arranged alternatively in two vertical rows on opposite sides of the rachis.  The "Clowesia" has a simple gullet flower that allows for pollination by male euglossine bees.  The flowers are often unisexual and contain a viscidium.
  Title: Paphiopedilum acmodontum
  Passage: Paphiopedilum acmodontum is a species of plants in the Orchidaceae family.  It is endemic to the Philippines.
  Title: Pterocactus
  Passage: Pterocactus (from Greek "pteron", "wing", referring to the saucer-shaped seed of these plants) is a genus of the cactus family (Cactaceae), comprising 9 species.  All "Pterocactus" have tuberous roots and are endemic to South and Western Argentina.  The genus has been given its own tribe, the Pterocacteae.
citations: Cymbidium Pterocactus