ExplorePlants

screwbean

Strombocarpa pubescens

The screwbean is a special plant with curly, twisty seed pods that look like little spirals! It grows in warm places and is great for helping the soil stay healthy.

Habitat: Desert

Appearance

The screwbean is a thorny shrub or small tree with silvery-green leaves. It features distinctive, yellow-green flowers and uniquely twisted, corkscrew-shaped seed pods that ripen to beige. Its appearance helps it stand out in arid desert landscapes.

KingdomPlantaePhylumTracheophytaClassMagnoliopsidaOrderFabalesFamilyFabaceaeGenusProsopis
screwbean
flowering trait badgenitrogen_fixing trait badgedrought_tolerant trait badgeedible trait badge
screwbean

Category

Plants

Rarity

Common

Danger

1/5 · Very low

Snaps

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Interesting facts

Even its tough wood was used to make tools and sturdy buildings!

Its sweet, twisty pods were a super important food for many desert people!

The plant’s name comes from its amazing, corkscrew-shaped seed pods!

This resilient desert dweller can survive for more than 100 years!

Special abilities

Ability

Drought Master

Screwbean can grow incredibly deep roots to find precious water in dry deserts, helping it survive long periods without rain.

Ability

Soil Builder

Screwbean has special root nodules that add valuable nitrogen to the soil, making it richer for other plants.

Ability

Twisty Traveler

Screwbean has uniquely twisted pods that break apart slowly, dropping seeds over time and allowing them to spread far.

Measurements & details

Height
200-700 cm
Spread
150-600 cm
Flower Size
0.5-1 cm
Bloom Season
Summer
Edible
Yes
Toxicity
None
Lifecycle
Perennial
Pollination Method
Insect

Ecological connections

eaten by

Bighorn sheep

Ovis canadensis

eats its leaves and pods

pollinates

Honey bee

Apis mellifera

gathers nectar from its flowers

symbiotic with

Rhizobium bacteria

Rhizobium leguminosarum

fixes nitrogen in its roots

eaten by

Mule deer

Odocoileus hemionus

browses its foliage and seed pods

shelters

Phainopepla

Phainopepla nitens

nests within its thorny branches

Traits

Also known as

No aliases listed yet.

Collections

Safety

Danger

1/5 · Very low

Always look but don't touch plants unless an adult says it's okay.

Frequently Asked Questions

How tall is screwbean?

200-700 cm

How wide does screwbean spread?

150-600 cm

How big are the flowers on screwbean?

0.5-1 cm

When does screwbean bloom?

Summer

Is screwbean edible?

Yes

Is screwbean toxic?

None

What is screwbean's lifecycle?

Perennial

How is screwbean pollinated?

Insect

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