File:EB1911 Flower - orthotropous ovule of Polygonum.jpg
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| Description |
English: Drawing of orthotropous ovule of Polygonum in section, showing the embryo-sac s, in the nucellus n, the different ovular coverings, the base of the nucellus or chalaza ch, and the apex of the ovule with its micropyle m. |
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| Date | published 1911 | |||
| Source | Encyclopædia Britannica (11th ed.), v. 10, 1911, “Flower,” fig. 108, p. 572. | |||
| Author | Unknown author | |||
| Permission (Reusing this file) |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 15:13, 17 July 2017 | | 180 × 252 (15 KB) | Bob Burkhardt | {{Information |Description ={{en|1=Drawing of orthotropous ovule of Polygonum in section, showing the embryo-sac s, in the nucellus n, the different ovular coverings, the base of the nucellus or chalaza ch, and the apex of the ovule with its micropy... |
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