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2026-01-27

“peritropal”的英文意思

单词 peritropal
释义 peritropal, a. Bot. rare.|pəˈrɪtrəpəl|
[f. mod.L. peritrop-us (Jussieu) + -al1. In F. péritrope (Richard 1808).]
Of an embryo or ovule: = amphitropal, hemitropous. Also peˈritropous a.
1819Lindley Richard's Observ. Fruits & Seeds 22 If it [the seed] be attached to the axis, or to an axile trophosperm, by an hilum equi-distant from the two ends or occupying the whole length of the inner edge, it is called peritropal.Ibid. 86 Peritropal..directed from the axis towards the sides of the pericarp.1835― Introd. Bot. (1848) II. 378 Peritropal, directed from the axis to the horizon,..only applied to the embryo of the seed.1880Gray Struct. Bot. viii. 313 Centrifugal (or peritropous), when [the radicle is] turned toward the sides.
⁋Erroneously explained by Worcester:
1846Worcester, Peritropal, turning around; rotary. Hooker. (Hence in some later Dicts.)
“peritropal”的英文意思

　

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