Biomass is fuel that is developed from organic materials, a renewable and sustainable source of energy used to create electricity or other forms of power. Some examples of materials that make up biomass fuels are: 1  scrap lumber; 2  forest debris; 3  certain crops;
At most, some flowers linger into part of the following day. A large cereus cactus may have several blooms, but the plant's entire bloom season may last only two days. Some genera bloom in spring or summer, while others flower in early fall.
Some cactus flowers bloom only at night. Ethnologists once mapped the country by means of regional words for common objects. While plant taxonomy seeks accuracy, some popular plants collect a plethora of botanically based names as well as local nicknames.