
Mushrooms are a type of fungi, which is a separate kingdom from plants and animals. While mushrooms are commonly referred to as vegetables in a culinary context, they are not legumes. Legumes are a family of plants that produce edible seeds, whereas mushrooms are not collected from plants and do not contain seeds. Mushrooms have a unique nutrient profile, providing nutrients found in plant- and animal-derived food groups.
| Characteristics | Values |
|---|---|
| Are mushrooms legumes? | No |
| Are mushrooms vegetables? | No, but they are treated as vegetables in cooking and for nutritional purposes |
| Are mushrooms fruits? | No |
| Are mushrooms plants? | No |
| Are mushrooms fungi? | Yes |
| Are mushrooms nutrient-dense? | Yes |
| Are mushrooms a good source of vitamin D? | Yes |
| Are mushrooms a good meat substitute? | Yes |
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What You'll Learn

Mushrooms are a type of fungi
While the term "mushroom" is typically applied to the above structure, it is also used to describe a variety of other gilled fungi, with or without stems. These include the hydnums or hedgehog mushrooms, which have teeth, spines, or warts on the undersurface of the cap, and the polypores, shelf fungi, or bracket fungi, which have tubes under the cap.
Mushrooms are biologically distinct from plants and animals and are considered a separate kingdom. They lack chlorophyll and exist on decaying material in nature or on various substrates when commercially grown. They obtain the nutrients they require from decaying and dead materials or the roots of surviving plants. They also contain chitin, a polysaccharide derivative of glucose found in the exoskeletons of crustaceans and insects, and ergosterol, a unique sterol not found in plants or animals.
Mushrooms have been a staple of the human diet for a long time and are used in various recipes. They are a good source of nutrients and can be used as a meat alternative due to their savory flavor and meaty texture. They are also used for dyeing wool and other natural fibers, and in the development of new biological remediation and filtration technologies.
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Fungi are a separate kingdom
Mushrooms are not legumes. They are fungi, which are a separate kingdom from plants and animals.
Fungi are now recognised as a separate kingdom based on their cellular organisation. Fungi lack chlorophyll, which is found in plants, and instead exist on decaying material in nature and on various substrates when commercially grown. They also contain chitin, a polysaccharide derivative of glucose also found in the exoskeletons of crustaceans and insects, rather than cellulose found in plants.
Historically, fungi were considered primitive plants and were classified as part of the plant kingdom. However, taxonomists realised that a separate kingdom was needed to identify and distinguish fungi from plants due to their unique characteristics. The introduction of molecular methods for phylogenetic analysis revealed that fungi are distinct from plants and animals, having diverged from them around one billion years ago at the start of the Neoproterozoic Era.
The kingdom Fungi, also known as Eumycota, belongs to the domain Eukarya and encompasses an enormous diversity of taxa with varied ecologies, life cycle strategies, and morphologies. Fungi can range in size from simple yeast cells to large, complex fruiting bodies. They are characterised by their nonphotosynthetic nature, with cell walls containing chitin and β-glucans, and their wholly absorptive nutrition, acquiring food by secreting digestive enzymes into their environment.
Fungi reproduce through both sexual and asexual means, with some species utilising both methods. They release microscopic spores, which may be mobile and travel through air or water, or remain stationary and grow into new fungal mycelia.
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Mushrooms are not legumes
While mushrooms are not legumes, they are often treated as vegetables in culinary contexts. They are nutrient-dense, providing a lot of nutrition for very few calories, and are a good source of antioxidants, B vitamins, iron, and other minerals. They are also low in fat and contain small amounts of protein. In terms of macronutrient profile, they are similar to spinach or cauliflower.
Mushrooms have a unique nutrient profile that sets them apart from plant- and animal-derived foods. They are biologically distinct and have been classified as belonging to a separate kingdom from plants and animals. This kingdom is known as the “third food kingdom” and includes other fungi such as molds and yeasts.
The distinct characteristics of mushrooms, including their lack of chlorophyll and their ability to thrive without light, set them apart from legumes and other plant-based foods. Legumes, on the other hand, are a family of plants that produce edible seeds, often contained within pods, such as beans and peas. Mushrooms do not have seeds or pods and are not collected from plants.
While mushrooms may be treated as vegetables in culinary contexts, it is important to recognize their distinct biological classification as fungi. This classification highlights their unique characteristics and nutrient profile, which sets them apart from legumes and other plant-based food groups.
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Mushrooms are treated as vegetables
Mushrooms are a type of fungus, which is a separate kingdom from plants and animals. Fungi lack chlorophyll, which is used by plants to convert sunlight into carbohydrates. Instead, mushrooms obtain their nutrients from decaying and dead materials or the roots of surviving plants. They also lack other defining characteristics of vegetables, such as roots, leaves, and seeds.
Despite not being classified as vegetables, mushrooms are often treated as such in the kitchen due to their culinary and nutritional characteristics. They are frequently used as a vegetarian meat substitute and can be cooked in similar ways to vegetables. For example, they can be thinly sliced and sautéed over low heat in oil, or used as a beef patty substitute in the form of a Portobello mushroom cap.
Mushrooms are also considered a healthy food, providing various nutrients found in plant- and animal-based food groups. They are low in calories, high in fibre, and a potential source of vitamin D. Some studies have even suggested that consuming mushrooms may be associated with a lower risk of certain types of cancer, such as breast and stomach cancer.
While mushrooms are not technically vegetables from a scientific perspective, their increasing use in plant-based diets and unique nutritional profile have led to suggestions that food groupings and health benefits should be re-evaluated to include a "'third food kingdom' for fungi. This would allow for greater recognition of the nutritional benefits of mushrooms and encourage their inclusion in dietary guidance.
In conclusion, while mushrooms are not vegetables in the traditional sense, they are often treated as such in culinary contexts due to their versatility, nutritional value, and similarity to other plant-based foods.
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Mushrooms have unique nutritional characteristics
Mushrooms are not legumes, but rather fungi, which are separate from plants and animals. They are biologically distinct from plant- and animal-derived foods and have a unique nutrient profile. They have been eaten and used as medicine for thousands of years.
Mushrooms contain protein, vitamins, minerals, antioxidants, and other nutrients, all for minimal calories. They are low in calories and fat, and contain modest amounts of fibre. They also contain B vitamins, including thiamine, riboflavin, B6, and B12.
Mushrooms are a good source of folate, which is especially beneficial during pregnancy. They have been shown to have antioxidant, anti-inflammatory, and anti-cancer effects. They contain ergothioneine, a compound with a unique transport system in mammals, suggesting it is important for human health.
Lion's mane mushrooms, in particular, have been found to contain compounds that stimulate brain cell growth and improve memory. They also contribute to the flavour and texture of dishes, making them a suitable substitute for meat.
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Frequently asked questions
No, mushrooms are not legumes. They are a type of fungi and are biologically distinct from plant- and animal-derived foods.
Legumes are a family of plants that produce edible seeds, often in a pod, like peas.
Mushrooms are classified under the kingdom called fungi. They were previously considered a part of the plant kingdom but are now recognized as a separate kingdom.
While mushrooms are not technically vegetables, they are often treated and cooked as vegetables in the kitchen. They are nutrient-dense like most vegetables and share some characteristics with plants.
Examples of legumes include beans, peas, peanuts, and lentils.

























