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  • Hypsizygus Tessulatus Shimeji
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Last updated: Oct 20, 2026

Hypsizygus Tessulatus

"Shimeji, Beech Mushroom"

Hypsizygus Tessulatus Shimeji close up
Hypsizygus Tessulatus fruiting bodies

Scientific Classification

Kingdom:Fungi
Division:Basidiomycota
Class:Agaricomycetes
Order:Agaricales
Family:Lyophyllaceae
Genus:Hypsizygus
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Frequently Asked Questions

What is Shimeji?
Shimeji (Hypsizygus Tessulatus) is a mushroom species, belonging to the Lyophyllaceae family. It is studied for its biological characteristics and is documented in the ShroomSpy mycology database.
Is Shimeji edible?
edible
What is the scientific classification of Shimeji?
Shimeji belongs to the kingdom Fungi, division Basidiomycota, class Agaricomycetes, order Agaricales, family Lyophyllaceae, genus Hypsizygus. Its scientific name is Hypsizygus Tessulatus.

About

Hypsizygus tessulatus, commonly known as Shimeji, is a group of gourmet edible mushrooms native to East Asia, particularly Japan, where they are cultivated and consumed widely. Known for their nutty, umami-rich flavor and firm texture, Shimeji mushrooms are available in several varieties, including brown (buna-shimeji) and white (bunapi-shimeji), with both types frequently used in soups, stir-fries, and noodle dishes.

History

Shimeji mushrooms have been a staple in Japanese cuisine for centuries and are now cultivated around the world. Their popularity grew with the rise of Asian fusion cuisine, and they are prized for maintaining texture and flavor during cooking. Although naturally found growing on hardwood trees, most commercial Shimeji are grown indoors using controlled methods.

Shimeji mushrooms are not just culinary but also nutritionally beneficial, offering a source of beta-glucans, antioxidants, and essential amino acids.

Overview

Shimeji grows in tight clusters with long, slender stems and small, dome-shaped caps. The brown variety has a light to dark tan color, while the white variety is albino-cultivated and milder in taste. They must be cooked before eating, as raw Shimeji can be bitter.

They are ideal for sautéing, roasting, and adding to hotpots. Their chewy texture and mild nutty flavor complement meat, tofu, and rice dishes. Nutritionally, they are low in calories and rich in B vitamins, potassium, and polysaccharides that support immune health.

Flavors

Mild

Beech Mushroom has a mild flavor that makes it suitable for a variety of dishes.

Nutty

It possesses a subtle nutty taste, especially when sautéed or stir-fried.

Sweet

There's a hint of sweetness in its flavor profile, especially in the white variety.

Textures

Firm

The mushroom has a firm texture, holding its shape well during cooking.

Crunchy

When cooked, especially in stir-fries, it retains a pleasant crunchiness.

Smooth

The cap of the Beech Mushroom is smooth to the touch.

Fragrances

Fungus

Hypsizygus tessulatus has the typical earthy aroma associated with many mushrooms.

Fresh

When freshly harvested, it has a pleasant fresh scent.

Physical Characteristics

Caps:

Convex to flat, 5-10 cm wide. White to pale brown.

Gills:

Broad, white, attached to decurrent.

Pharmacology

Helps With

Immune System

Polysaccharides can enhance immune response

Inflammation

Anti-inflammatory effects shown in studies

Shimeji Products

Explore Shimeji products from independent vendors

Chemical Constituents

Medicinal Chemistry

Similar Species

Similar species Hypsizygus ulmarius

Species: Hypsizygus ulmarius

(Elm Oyster Mushroom)

Edibility: Edible - a choice edible mushroom, regarded by many experts as superior to common oyster mushrooms in flavor and firm texture. It is unrelated to true oysters (Pleurotus) despite a superficial resemblance.

Key Differences: Found on elm trees, larger cap size

Similar species Hypsizygus ulmarius

Species: Hypsizygus ulmarius

(Elm Oyster Mushroom)

Edibility: Edible - a choice edible mushroom, regarded by many experts as superior to common oyster mushrooms in flavor and firm texture. It is unrelated to true oysters (Pleurotus) despite a superficial resemblance.

Key Differences: Found on elm trees, larger cap size

Nutrition Facts

Serving Size
Amount Per Serving
Calories
% Daily Value*
Total Fat 0 g0%
Saturated Fat 0 g0%
Trans Fat 0 g
Cholesterol 0 mg0%
Sodium 0 mg0%
Total Carbohydrate 0 g0%
Dietary Fiber 0 g0%
Total Sugars 0 g
Protein 0 g0%
Vitamin A 0 µg 0%•Thiamin B1 0 mg 0%
Riboflavin B2 0 mg 0%•Niacin B3 0 mg 0%
Vitamin B6 0 mg 0%•Folate B9 0 µg 0%
Vitamin B12 0 mg 0%•Vitamin C 0 mg 0%
Vitamin D 0 µg 0%•Vitamin E 0 mg 0%
Vitamin K 0 µg 0%•Calcium 0 mg 0%
Copper 0 mg 0%•Iron 0 mg 0%
Magnesium 0 mg 0%•Manganese 0 mg 0%
Phosphorus 0 mg 0%•Potassium 0 mg 0%
Selenium 0 µg 0%•Zinc 0 mg 0%
Vit A 0 µg 0%•B1 0 mg 0%
B2 0 mg 0%•B3 0 mg 0%
B6 0 mg 0%•B9 0 µg 0%
B12 0 mg 0%•Vit C 0 mg 0%
Vit D 0 µg 0%•Vit E 0 mg 0%
Vit K 0 µg 0%•Calcium 0 mg 0%
Copper 0 mg 0%•Iron 0 mg 0%
Mg 0 mg 0%•Mn 0 mg 0%
Phosph. 0 mg 0%•Pot. 0 mg 0%
Selenium 0 µg 0%•Zinc 0 mg 0%
* Percent Daily Values are based on a 2,000 calorie diet.

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References

  1. Jung, M. Y. (2019). Characterization of Volatile Profiles of Six Popular Edible Mushrooms Using Headspace-Solid-Phase Microextraction Coupled with Gas Chromatography Combined with Chemometric Analysis. .
  2. Matsuzawa, T. (1997). EXTRACTION, CHARACTERIZATION AND ANTIOXIDANT ACTIVITY OF HYPSIZIGUS MARMOREUS POLYSACCHARIDES. .