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Home / Greens
/ Colonial / Flagellated / Pyrobotrys
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Name derivation:
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Classification:
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Pyrobotrys Arnoldi 1916; 6 of 15 species descriptions arwe currently
accepted taxonomically (Guiry and Guiry 2013).
Order Chlamydomonadales; Family Spondylomoraceae
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Morphology:
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Colonies star- or mulberry-shaped, containing 4, 8 or 16 cells arranged in two or four tiers, without encompassing gelatinous matrix. Cells spherical, subspherical, ovoid, ellipsoidal, pear-shaped or irregularly pear-shaped, each with two equal flagella, two contractile vacuoles at the base of the flagella and a massive cup-shaped chloroplast without pyrenoids. A stigma may be present in each cell of the colony (Guiry and Guiry 2013).
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Similar genera:
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Habitat:
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Freshwater rich in dissolved organic carbon (DOC) (Pentecost 2002),
and soils (Guiry and Guiry
2013).
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References:
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Guiry, M.D. and G.M. Guiry 2013. AlgaeBase. World-wide
electronic publication, National University of Ireland, Galway. http://www.algaebase.org; searched on 17
May 2013. Pentecost, A. 2002.
Order Volvocales. In:
John, D.M., B.A. Whitton and A.J. Brook 2011
(Eds.). The freshwater algal flora of
the British Isles (2nd edition) (p. 381). |
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