obpyriformとは 意味・読み方・使い方

発音

• 韻: -ɪɹɪfɔː(ɹ)m

形容詞

obpyriform (not comparable)

1. (botany) Having a shape that is in outline like that of a pear, with the base at the narrower end.
   • 1992, Rudolf M[athias] Schuster, The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, New York, N.Y.: Columbia University Press, →ISBN, page 5:

     On fertilization, the archegonia form obyriform calyptrae that are distinctly narrowed at base to form a stalk or peduncle; this does not occur in other Hepaticae.