Definition of distichous in English:

distichous

adjective

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

    • ‘The rockweed shown at left, Fucus distichous, visible at low tide at the Berkeley Marina in California, is somewhat smaller.’
    • ‘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.’

Origin

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

Pronunciation:

distichous

/ˈdistikəs/