dcsimg

portrait

Image of Hibberdiales

Description:

Chrysopyxis stenostoma, a solitary chrysophyte, epiphytic on filamentous algae, that occupies a clear vase-like lorica. The lorica may acquire a brownish color from iron and manganese salts with age. The Chrysopyxis attaches to filamentous algae by means of two fine basal projections of the lorica, which form a ring around the algal filament (seen well in this image). The cell is spherical with a single, distally branching rhizopodium that protrudes through an aperture in the lorica. Fine granules pass from the cell body to the branches of the rhizopodium. There are one or two gold-brown chloroplasts. There is no stigma. Division occurs within the lorica with one cell remaining and the other escaping as a flagellated swarmer that goes on to form its own lorica. From organically enriched standing freshwater near Boise, Idaho. Differential interference contrast.

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cc-by-nc
author
William Bourland
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micro*scope
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ID
27474452