1. Constituting a tube; having hollow tubes (as for the passage of fluids)
   - tubular, tubelike, tube-shaped, vasiform

See also: cannula, hollow

• genus Neofiber
• genus Neohygrophorus
• genus Neolentinus
• genus Neomys
• genus Neophron
• genus Neotoma
• genus Nepa
• genus Nepenthes
• genus Nepeta
• genus Nephelium
• genus Nephrolepis
• genus Nephrops
• genus Nephthytis
• genus Nerita
• genus Neritina
• genus Nerium
• genus Nerodia
• genus Nesokia
• genus Nestor
• genus Neurospora
• genus Neurotrichus
• genus Nicandra
• genus Nicotiana
• genus Nidularia
• genus Nierembergia