In ferns, the gametophyte is called a 'prothallus'. It is a free-living, heart-shaped structure but small - about the size of a finger-nail.
The antheridia are clustered amongst the rhizoids; the archegonia are near the cleft of the heart.
| Gametophytes | |
| This is the mature haploid plant. At maturity, it will produce gametes. | |
In ferns, the gametophyte is called a 'prothallus'. It is a free-living, heart-shaped structure but small - about the size of a finger-nail. The antheridia are clustered amongst the rhizoids; the archegonia are near the cleft of the heart. |
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