Asian Mazus

mazus pumilus

Asian Mazus (Mazus pumilus) is a diminutive, low-growing annual herb native to East and South Asia. Despite its small size, this resilient plant has successfully naturalized in many temperate and subtropical regions globally, often establishing itself in lawns, gardens, and disturbed soils. It is recognized by its charming, tiny purplish-blue or white flowers that resemble miniature orchids. This opportunistic species thrives in moist, sunny to partially shaded environments, spreading rapidly to form dense mats. It serves as an important early-season food source for small pollinating insects and is highly regarded for its ability to tolerate heavy foot traffic and frequent mowing, making it a common sight in urban turfgrasses. Learn to recognize Asian Mazus in the wild using the Snappit field guide app.

Habitat: Found in moist, disturbed environments such as lawns, gardens, agricultural fields, and wet ditches.

Appearance

This low-lying herb reaches heights of only 5 to 15 cm. Its leaves are obovate or spatulate, arranged oppositely along the stems, with coarsely toothed margins. The flowers, measuring roughly 1 cm in length, are two-lipped; the upper lip is short and purplish-blue, while the larger lower lip is three-lobed, pale purple or white, and features two prominent yellow-ridged swells covered in fine hairs that act as a nectar guide.

KingdomPlantaePhylumTracheophytaClassMagnoliopsidaOrderLamialesFamilyMazaceaeGenusMazus

Asian Mazus

Interesting facts

Because it tolerates heavy foot traffic, some gardeners use it as a 'step-able' alternative to traditional grass lawns in damp areas.

In its native East Asian range, it is sometimes used in traditional herbal remedies to treat simple ailments like fevers.

The genus name 'Mazus' comes from the Greek word 'mazos', which means 'breast', referring to the two prominent ridges on the flower's lower lip.

Special abilities

Adapts its growth form to hug the ground extremely closely, allowing it to survive, photosynthesize, and bloom even under frequent mowing.

Features raised, yellow-and-white hairy ridges on its lower petal that physically steer tiny insect pollinators toward its reproductive organs.

Completes its entire life cycle from germination to seed dispersal in a matter of weeks, enabling swift colonization of newly disturbed soil.

Measurements & details

Length: 5-15 cm
Weight: 0.001-0.02 kg
Lifespan: 0-1 years

Diet & Feeding

As a photoautotrophic plant, it synthesizes its own organic compounds using sunlight, carbon dioxide, water, and essential mineral nutrients absorbed from the soil.

Primary Foods

Sunlight
Carbon dioxide
Water
Soil nitrogen
Phosphorus
Potassium

Ecological connections

mutualism

Sweat Bee

Lasioglossum

Provides nectar and pollen to small wild bees in exchange for pollination.

competitor

Common Dandelion

Taraxacum officinale

Competes for space, light, and soil nutrients in urban lawns and fields.

eaten by

Garden Snail

Cornu aspersum

The tender leaves and stems are occasionally consumed by foraging terrestrial gastropods.

Traits

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Also known as

No aliases listed yet.

Collections

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Safety

Danger

1/5 · Very low

No special safety notes yet.

Frequently Asked Questions

How to identify Asian Mazus?

The easiest way to identify Asian Mazus is to use the Snappit nature identifier app.

How long is Asian Mazus?

5-15 cm

How much does Asian Mazus weigh?

0.001-0.02 kg

How long does Asian Mazus live?

0-1 years

What does Asian Mazus eat?

As a photoautotrophic plant, it synthesizes its own organic compounds using sunlight, carbon dioxide, water, and essential mineral nutrients absorbed from the soil.

Where is Asian Mazus usually found?

Found in moist, disturbed environments such as lawns, gardens, agricultural fields, and wet ditches.