drupeletとは 意味・読み方・使い方

語源

The outer layer of a blackberry is made up of little drupelets

A diagram of an aggregated fruit, showing drupelets

From drupe (“stone fruit”) +‎ -let (diminutive suffix). Compare Late Latin drupella (“small ripe olive”).^[1]

発音

• (Received 発音) IPA^(key): /ˈdɹuːplɪt/, /-lət/
  • (General American) IPA^(key): /ˈdɹuplɪt/, /-lət/
  • ハイフネーション: drupe‧let

名詞

drupelet (複数形 drupelets)

1. (botany) One of the small drupe-like subdivisions which compose the outer layer of certain fruit such as blackberries or raspberries. [from mid 19th c.]

   Synonym: drupel

   It is best to pick the berries while all drupelets are of a consistent, dark red coloration.

   The passengers on the chock-full boat were packed across the deck like drupelets.

   • 1858, Asa Gray, “How Plants are Propagated or Multiplied in Numbers”, in Botany for Young People and Common Schools. How Plants Grow, a Simple Introduction to Structural Botany. […], New York, N.Y.: Ivison, Blakeman, Taylor, & Co., OCLC 505717616, section IV (Fruit かつ Seed), § 1 (Seed-vessels), paragraph 244, page 81:

     Aggregated Fruits are close clusters of simple fruits all of the same flower. The raspberry and blackberry are good examples. In these, each grain is a drupelet or stone-fruit, like a cherry or peach on a very small scale.

   • 1931, A[lbert] S[pear] Hitchcock, “Fruits and Seeds”, in Field Work for the Local Botanist, Washington, D.C.: Published by the author […]; composed and printed at the Waverley Press, Inc. […], OCLC 1131468420, page 22:

     The fruits of the genus Rubus (blackberry, raspberry) are aggregates of small drupes (drupelets) upon the receptacle of a single flower, each drupelet from a single pistil.

   • 2017, Bernadine C. Strik, “Growth and Development”, in Harvey K. Hall and Richard C. Funt, editors, Blackberries and Their Hybrids (Crop Production Science in Horticulture; 26), Wallingford, Oxfordshire; Boston, Mass.: CABI, →ISBN, page 29:

     Each fertilized pistil/ovule will develop into a fleshy drupelet containing one seed (a pyrene). Erect and semi-erect blackberry cultivars produce fruit with relatively large pyrenes compared to those of trailing blackberries.

別の表記

• druplet

関連する語

• drupaceous
• drupe
• drupel
• drupelike

参照