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amphitropal
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amphitropal
amphitropal, a. Bot. (æmˈfɪtrəpəl) [mod. f. Gr. ἀµϕί on both sides, about + -τρόπ-ος turning + -al1. Cf. mod.Fr. amphitrope.] Of an embryo: So curved as to have both apex and radicle presented to the hilum.1847 in Craig. 1870 Hooker Stud. Flora 64 Portulaceæ..ovules 2 or more..amphitropal, ascending...
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peritropal
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.1819 Lindley Richard's Observ. Fruits & Seeds 22 If it [the seed] be attached to the axis, or to an axile trophospe...
Oxford English Dictionary
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chalazal
chalazal, a. (kəˈleɪzəl) [f. prec. + -al1.] Pertaining to the chalaza.1835 Lindley Introd. Bot. (1848) I. 398 The amphitropal ovule, whose foraminal and chalazal ends are traverse with respect to the hilum. 1882 Vines Sachs' Bot. 580 The cells at its lower (chalazal) end.
Oxford English Dictionary
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semi-
semi-, prefix (ˈsɛmɪ, U.S. ˈsɛmaɪ) Also 4–7 semy-, 5–6 seme-, 6–7 semie-. [repr. L. sēmi- (whence F., It., Sp., Pg. semi-) = Skr. sāmi-, Gr. ἡµι-, OHG. sâmi-, OS. sâm-, cogn. w. OE. sam- (see sam-):—Indogerm. *sēmi-.] = half-; cf. demi-, hemi-. L. sēmi- (occas. shortened to sēm- before a vowel, e.g....
Oxford English Dictionary
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