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sorus |
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sorusIn ferns, a group of sporangia, the reproductive structures that produce spores. They occur on the lower surface of fern fronds. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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| Megalastrum crenulans is nearly unique in the region by having a large persistent indusium (Fig. Indusium absent; stem diameter 1-4 mm; rachis winged throughout 2. Sporangia borne from the costa to the margin, acrostichoid sorus, without indusium. |
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