Definition of distichous in English:

distichous

adjective

Botany
  • (of parts) arranged alternately in two opposite vertical rows.

    • ‘Castilla also has plagiotropic branches that are arranged continuously along monopodial trunks and bear distichous leaves.’
    • ‘Poaceae species present a conserved distichous phyllotaxy (leaf position along the stem) and share common properties with respect to leaf initiation.’
    • ‘Phyllotaxy ranges from distichous to having 56 rows of leaves and is not restricted to Fibonacci numbers.’
    • ‘The terms adaxial and abaxial are used conventionally, although there is no evidence of a shoot apex between the distichous leaves.’
    • ‘The rockweed shown at left, Fucus distichous, visible at low tide at the Berkeley Marina in California, is somewhat smaller.’

Origin

Mid 18th century via Latin from Greek distikhos (see distich) + -ous.

Pronunciation

distichous

/ˈdɪstɪkəs/