Basichlamys
Template:Short description Template:Speciesbox
Basichlamys is a monotypic genus of colonial green algae in the family Tetrabaenaceae.[1] The sole species is Basichlamys sacculifera. It is rare, but cosmopolitan in freshwaters.[2]
Basichlamys sacculifera consists of four-celled colonies of cells in a square, which are attached by their bases to a parental cellular sheath or sac. The cells are ovoid and asymmetrical, and each have two flagella, two contractile vacuoles, and a cup-shaped chloroplast containing a pyrenoid and a stigma.[3] The ultrastructure of the cell wall is similar to those of Tetrabaena and Gonium.[4] Its overall morphology is most similar to Tetrabaena, but the cells are not connected to each other directly but are instead connected by a common cellular sheath.[3]
Asexual reproduction occurs by autocolony formation,[2] or occasionally akinetes or hypnospores (dormant cells).[3] Sexual reproduction is isogamous and results in walled aplanozygotes.[2] The zygote walls are reticulate, a feature that it shares with Tetrabaena.[4]
References
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External links
- Basichlamys - Description with pictures