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. |