File:EB1911 Paleobotany - Calamostachys.jpg
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EB1911_Paleobotany_-_Calamostachys.jpg (388 × 541 pixels, file size: 107 KB, MIME type: image/jpeg)
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DescriptionEB1911 Paleobotany - Calamostachys.jpg |
English: Drawing of Calamostachys: diagrammatic longitudinal section of the cone, showing the axis (ax) bearing alternate whorls of bracts (br) and peltate sporangiophores (sp) with their sporangia (sm). The upturned tips of the bracts are only shown in every alternate verticil. |
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Date | published 1911 | ||||
Source | “Palaeobotany,” Encyclopædia Britannica (11th ed.), v. 20, 1911, p. 527, fig. 2. | ||||
Author | Unknown authorUnknown author | ||||
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 15:23, 6 September 2017 | 388 × 541 (107 KB) | Bob Burkhardt (talk | contribs) | {{Information |Description ={{en|1=Drawing of ''Calamostachys'': diagrammatic longitudinal section of the cone, showing the axis (''ax'') bearing alternate whorls of bracts (''br'') and peltate sporangiophores (''sp'') with their sporangia (sm). The... |
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