> While some are sensational, complex, and cost ten thousand euros per kilo, others are merely decorative, tasteless, and worthless tubers. > There is also the

> While some are sensational, complex, and cost ten thousand euros per kilo, others are merely decorative, tasteless, and worthless tubers. > There is also the notorious tuber indicum, the Chinese black truffle, which has flooded the European and American market. Maybe this is common in truffle circles, maybe it's a joke, but truffles are not tubers, even when speaking of multiple species. While the word "genus" can be pluralized, actual genera are always singular. You would never try what the author did there with "Homo sapiens," which may appear plural but is always a singular genus species. Tubers are storage organs in some plants used to provide energy through winter and for growth the following season. Truffles are fruiting bodies of the fungus of genus Tuber. Like all genera, Tuber can not be pluralized and is always capitalized.