No, flowers do not take oxygen from a room. In fact, they actually increase the oxygen levels in an interior space. During the day, most plants, including flowers, undergo photosynthesis which is the process through which they convert carbon dioxide into oxygen. This means that they are actually releasing oxygen into the air, thereby increasing oxygen levels in the room.
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However, it’s important to note that this only happens during daylight hours. At night, photosynthesis ceases and plants undergo respiration, just like humans. During respiration, plants absorb oxygen and release carbon dioxide. However, there are some plants, such as orchids, succulents, and epiphytic bromeliads, that continue to release oxygen at night. These plants have a unique ability to take in carbon dioxide and release oxygen even in the absence of sunlight.
So, while some plants may absorb oxygen at night, the overall effect of having flowers in a room is still an increase in oxygen levels. Therefore, adding flowers to an interior space can actually contribute to better air quality and increased oxygen supply.