Liverwort spore case, light micrograph

Liverwort spore case, light micrograph

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Credit: DR KEITH WHEELER/SCIENCE PHOTO LIBRARY

Caption: Liverwort spore case. Light micrograph of a vertical section through a spore case (sporophyte) from a liverwort (Pellia epiphylla). Numerous spores (small, round, brown) and their coiled elaters are in the capsule, the round area at centre right. This capsule is attached by a seta (stem) to the foot area (centre left). The whole structure of capsule, seta and foot is together called a sporophyte. The sporophyte is enclosed within the petal-like calyptra (across top and bottom) that protects the sporophyte until the spores are mature and ready to be released. This liverwort is commonly found on wet rocks by streams.

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Keywords: anatomical, anatomy, biological, biology, botanical, botany, calytra, capsule, elater, elaters, foot, hepaticeae, light micrograph, light microscope, liverwort, longitudinal, microscopy, nature, one, pellia epiphylla, plant, reproduction, reproductive, section, sectioned, seta, single, spore, spore capsule, spores, sporophyte

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