Horsetail cone, light micrograph

Horsetail cone, light micrograph

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Caption: Horsetail cone, polarised light micrograph. Transverse section through a mature cone (strobilus) of the common horsetail (Equisetum arvense). The central axis (round, lower left) is surrounded by numerous sporophylls which consist of a stalk bearing numerous sack-like hanging sporangia containing spores (yellow). The spores are surrounded by elater-like coils (thought to help the release of spores). Magnification: x45 when printed at 10 centimetres wide.

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Keywords: anatomical, biological, biology, botanical, botany, cell, cells, cellular, close-up, common horsetail, cone, cross-section, detail, elater, elaters, equisetum arvensis, flora, horsetail, internal structure, light micrograph, light microscope, lm, nature, part, parts, plant, plant anatomy, plm, polarised, polarized, pteridophyte, pteridophytes, reproduction, reproductive, reproductive part, reproductive parts, section, sectioned, sporangia, sporangium, spore, spores, sporophyll, sporophylls, strobilus, structural, tissue, transverse

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