Polyedriopsis
Polyedriopsis is a genus of green algae in the order Sphaeropleales. As of February 2022, it contained a single species, Polyedriopsis spinulosa. It is found worldwide in freshwater habitats as phytoplankton, but is rare.
| Polyedriopsis | |
|---|---|
| Scientific classification | |
| (unranked): | Viridiplantae |
| Division: | Chlorophyta |
| Class: | Chlorophyceae |
| Order: | Sphaeropleales |
| Family: | incertae sedis |
| Genus: | Polyedriopsis Schmidle |
| Species: | P. spinulosa |
| Binomial name | |
| Polyedriopsis spinulosa (Schmidle) Schmidle | |
Polyedriopsis spinulosa consists of solitary or sometimes clustered cells, 12–25 μm in diameter. They are four- or five-sided with concave sides; the corners are rounded off and bear a tuft of 3-10 thin tapering spines, 25–50 μm long. Cells are uninuclate (with one nucleus and contain a single parietal chloroplast with one pyrenoid.
Polyedriopsis spinulosa reproduces asexually via the formation of zoospores, of which 4 to 8 are produced per cell. Zoospores are ovate, with two flagella and a stigma.
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