单词 | Eustigmatophyceae |
释义 | Eustigmatophyceae [´yüs·tig´ma·dǝ`fī·sē·ē] BOTANY A small class of mostly nonmotile, photosynthetic, unicellular algae in the division Chromophycota, characterized by the unique organization of motile cells, photosynthetic pigments including chlorophyll a, beta-carotene, and violaxanthin, and a single parietal yellow-green chloroplast; live chiefly in fresh water but also in marine and soilhabitats. |
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