pappus

听听怎么读
英 ['pæpəs]
美 ['pæpəs]
是什么意思
  • n.

    冠毛;

  • 变形

    复数:pappi

    英英释义

    pappus[ 'pæpəs ]

    • n.calyx composed of scales or bristles or featherlike hairs in plants of the Compositae such as thistles and dandelions
    学习怎么用

    权威例句

    Pappus in optical space
    Bol quasi-fields and Pappus' theorem
    The defensive role of pappus in heads of Compositae
    Pappus Part Number in Annual Species of Microseris (Compositae, Cichoriaceae)
    Commentaires de Pappus et de Théon d'Alexandrie sur l'Almageste. Tome III
    Inheritance of Seed Weight, Pappus, and Striped Hull in Safflower Species1
    The Commentary of Pappus on Book X of Euclid's Elements by Gustav Junge; William Thomson
    Within and among plant variation in seed mass and pappus size in Trago...
    Four additive genes determining pappus part numbers in Microseris annual hybrid C34 ( Asteraceae/Lactuceae )
    Genetic and Nongenetic Factors Influencing Deviations from Five Pappus Parts in a Hybrid between Microseris douglasii and M. bigelov...