| 释义 |
peltate, a. Bot. and Zool.|ˈpɛlteɪt|
[ad. L. peltāt-us armed with the pelta.]
Shield-shaped; usually of a leaf: Having the petiole joined to the under-surface of the blade at or near the middle (instead of at the base or end); hence, said of other stalked parts having similar attachment.
1760J. Lee Introd. Bot. iii. vii. (1765) 190 Peltate, Shield-fashioned, when the Petiole is inserted into the Disk of the Leaf, and not into its Base or Margin. 1830Lindley Nat. Syst. Bot. 10 Herbs, with peltate or cordate fleshy leaves. 1852Dana Crust. ii. 865 The large peltate plates on either side of the body posteriorly. 1875Bennett & Dyer tr. Sachs' Bot. 372 The pedicel of the hexagonal peltate scale.
So † ˈpeltated a. Obs. = peltate; ˈpeltately adv., in the manner of a peltate leaf; pelˈtation, peltate condition, or a peltate formation.
1753Chambers Cycl. Supp. s.v. Leaf, Peltated leaf,..the petiole of which is affixed to the disk. 1828–32Webster, Peltately, in the form of a target. Eaton. 1870Hooker Stud. Flora 254 Nutlets..peltately attached to a thickened conical receptacle. 1881Jrnl. Bot. X. 135 A similar peltation towards the extremity of the proximal expansion occurs in many of the leaves of Nepenthes phyllamphora. |