ExplorePlants

mat rock spiraea

Petrophytum caespitosum

Mat rock spiraea is a small, beautiful shrub that grows in rocky places. Its tiny flowers bloom in clusters, making it a lovely sight in nature.

Habitat: Mountain regions

Appearance

The mat rock spiraea is a low-growing subshrub, forming dense, compact mats with small, oval, sage-green leaves. It produces abundant clusters of tiny, five-petaled white or pale pink flowers, which create a delicate contrast against its harsh, rocky habitat.

KingdomPlantaePhylumTracheophytaClassMagnoliopsidaOrderRosalesFamilyRosaceaeGenusPetrophytum
mat rock spiraea
deciduous trait badgeflowering trait badgecluster_flower trait badgeshrub trait badge
mat rock spiraea

Category

Plants

Rarity

Common

Danger

1/5 · Very low

Snaps

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Interesting facts

Despite its small size, some mat rock spiraea plants can live for over 100 years.

Its scientific name, *Petrophytum*, actually means 'rock plant' in Greek!

This amazing plant can grow directly out of cracks in solid rock with almost no soil!

Tiny bees and butterflies visit these tough plants, even on windy mountain cliffs.

Special abilities

Ability

Rock Anchor

Mat rock spiraea has an extensive, deep root system that can penetrate tiny rock crevices, anchoring it securely against strong winds and erosion.

Ability

Extreme Shield

This spiraea grows in a tight, cushion-like form, which helps it withstand severe temperatures and powerful winds on exposed mountain slopes.

Ability

Drought Fighter

It has small, thick, often hairy leaves that are adapted to minimize water loss, allowing the plant to thrive in very dry, rocky environments.

Measurements & details

Height
10-30 cm
Flower Size
0.3-0.5 cm
Bloom Season
Summer
Edible
No
Toxicity
None
Lifecycle
Perennial
Pollination Method
Insect
Cmc
30-60 C

Ecological connections

pollinates

European honey bee

Apis mellifera

Visits flowers for nectar.

pollinates

Two-form bumble bee

Bombus bifarius

Active pollinator in alpine areas.

pollinates

Painted Lady butterfly

Vanessa cardui

Sips nectar from blossoms.

Traits

Also known as

No aliases listed yet.

Collections

Safety

Danger

1/5 · Very low

Always look but don't touch plants unless you know they are safe.

Frequently Asked Questions

How tall is mat rock spiraea?

10-30 cm

How big are the flowers on mat rock spiraea?

0.3-0.5 cm

When does mat rock spiraea bloom?

Summer

Is mat rock spiraea edible?

No

Is mat rock spiraea toxic?

None

What is mat rock spiraea's lifecycle?

Perennial

How is mat rock spiraea pollinated?

Insect

Where is mat rock spiraea usually found?

Mountain regions

Snap Map

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Where to spot

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