amphitropous ovule

noun
a partly inverted ovule turned back 90 degrees on its stalk
Hypernyms: ↑ovule

Useful english dictionary. 2012.

Look at other dictionaries:

  • amphitropous — [am fi′trə pəs] adj. [ AMPHI + TROPOUS] having a flower ovule with an inverted structure, with the stalk attachment near the middle of the ovule and the opening near the bottom …   English World dictionary

  • ovule — [äv′yo͞ol΄, ō′vyo͞ol΄] n. [Fr < ModL ovulum, dim. < L ovum,EGG1] a small egg or seed, esp. one in an early stage of development; specif., a) Bot. a structure in seed plants consisting of a nucellus that contains an embryo sac: it develops… …   English World dictionary

  • Amphitropous — Amphitropal Am*phit ro*pal ( pal), Amphitropous Am*phit ro*pous ( p[u^]s), a. [Gr. amfi + tre pein to turn.] (Bot.) Having the ovule inverted, but with the attachment near the middle of one side; half anatropous. [1913 Webster] || …   The Collaborative International Dictionary of English

  • amphitropous — /am fi treuh peuhs/, adj. Bot. (of an ovule) inverted so that the funicle is in the middle of one side. [1835 45; AMPHI + TROPOUS] * * * …   Universalium

  • amphitropous — adjective (of a plant ovule) partly inverted; turned back 90 degrees on its stalk • Ant: ↑anatropous • Topics: ↑plant, ↑flora, ↑plant life …   Useful english dictionary

  • Glossary of botanical terms — Many of the terms used in Wikipedia glossaries (often most) are already defined and explained within Wikipedia itself. However, lists like the following indicate where new articles need to be written and are also useful for looking up and… …   Wikipedia

  • Seed — A seed Audio IPA|en us seed.ogg|/ˈsiːd/ (in some plants, referred to as a kernel) is a small embryonic plant enclosed in a covering called the seed coat, usually with some stored food. It is the product of the ripened ovule of gymnosperm and… …   Wikipedia

  • Amphitropal — Am*phit ro*pal ( pal), Amphitropous Am*phit ro*pous ( p[u^]s), a. [Gr. amfi + tre pein to turn.] (Bot.) Having the ovule inverted, but with the attachment near the middle of one side; half anatropous. [1913 Webster] || …   The Collaborative International Dictionary of English

  • Hemitropal — He*mit ro*pal, Hemitropous He*mit ro*pous, a. [See {Hemitrope}.] 1. Turned half round; half inverted. [1913 Webster] 2. (Bot.) Having the raphe terminating about half way between the chalaza and the orifice; amphitropous; said of an ovule. Gray.… …   The Collaborative International Dictionary of English

  • Hemitropous — Hemitropal He*mit ro*pal, Hemitropous He*mit ro*pous, a. [See {Hemitrope}.] 1. Turned half round; half inverted. [1913 Webster] 2. (Bot.) Having the raphe terminating about half way between the chalaza and the orifice; amphitropous; said of an… …   The Collaborative International Dictionary of English

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