Fern fronds. Fern fronds are tightly coiled when young, unwinding the coil as they expand. Ferns are spore-bearing plants and the spores are produced on the undersides of fronds in structures called sori which are clusters of spore-producing sacs. More than 7000 species are known. This image was taken in Hawaii.
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Creative#:
TOP10168035
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
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N/A
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N/A
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No
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