# Illinois Bundleflower (*desmanthus illinoensis*)

The Illinois Bundleflower is a deep-rooted, perennial legume native to the prairies, grasslands, and open woodlands of North America, particularly the central United States. Highly valued for its ecological benefits, this plant plays a crucial role in soil health through its symbiotic relationship with nitrogen-fixing bacteria, which enriches the surrounding soil. It is an incredibly resilient plant, adapted to survive droughts and fires thanks to its deep taproot.

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Snaps:** 3
- **Habitat:** Typically found in native prairies, open woodlands, glades, riverbanks, and disturbed environments such as roadsides, thriving in moist, well-drained soils.

![Illinois Bundleflower](https://inaturalist-open-data.s3.amazonaws.com/photos/49502327/medium.jpg)

Photo: Brand R, CC BY 4.0 · [iNaturalist](https://www.inaturalist.org/photos/49502327)

## Appearance

Growing between 60 to 150 cm tall, this plant features erect, smooth stems adorned with delicate, fern-like bipinnately compound green leaves. In mid-summer, it produces small, fluffy, round white-to-cream flower heads resembling tiny powder-puffs. These flowers develop into highly distinctive, dense, spherical clusters of dark brown, curved, flat seed pods that persist into the winter, giving the plant its 'bundle' name.

## Taxonomy

- **Kingdom:** Plantae
- **Phylum:** Tracheophyta
- **Class:** Magnoliopsida
- **Order:** Fabales
- **Family:** Fabaceae
- **Genus:** Desmanthus

## Interesting facts

- Because the seed pods cluster tightly together in a spherical shape, they visually resemble a small pinecone or a miniature, segmented ball.
- Its leaves show 'sleep movements' (nyctinasty), folding closed at night and opening up again in response to daylight.
- The plant's seeds are exceptionally rich in protein—containing up to 38% protein, which is comparable to soybeans.

## Special abilities

- **Nitrogen Fixation:** Formulates a symbiotic relationship with subterranean Rhizobium bacteria to convert atmospheric nitrogen into plant-accessible nutrients, enriching the soil.
- **Nyctinastic Leaf Movement:** Folds its delicate, fern-like leaflets together in response to touch, intense midday heat, or darkness to conserve moisture.
- **Drought-Resistant Taproot:** Develops a deep, woody taproot that penetrates far into the earth to access water reserves during dry spells.

## Measurements & details

- **Length:** 60-150 cm
- **Lifespan:** 3-10 years

## Diet & Feeding

As a primary producer, the Illinois Bundleflower generates its own energy from sunlight via photosynthesis, drawing water and essential minerals from the soil.

- **Primary Foods:** Sunlight, Water, Carbon dioxide, Soil minerals

## Ecological connections

- **Eaten by:** [Northern Bobwhite](https://www.snappit.app/explore/northern-bobwhite) (*Colinus virginianus*) — The highly nutritious, protein-rich seeds are a crucial winter food source for Bobwhite Quails.
- **Host plant:** [Cloudless Sulphur](https://www.snappit.app/explore/cloudless-sulphur) (*Phoebis sennae*) — The foliage serves as a vital host food source for the caterpillars of the Cloudless Sulphur butterfly.
- **Mutualism:** Rhizobium bacteria (*Rhizobium leguminosarum*) — Root nodules house symbiotic bacteria that capture atmospheric nitrogen for the plant in exchange for carbohydrates.

## Safety

**Danger:** 1/5 · Very low

No special safety notes yet.

## Frequently Asked Questions

### How to identify Illinois Bundleflower?

Start with the whole plant, then compare leaf arrangement, leaf edges, stems and any flowers or fruit. Opposite leaves grow in pairs; alternate leaves come one at a time along the stem. These details tell you far more together than a single green leaf does. Plant Identifier: upload a photo and compare the visible details.

### How long is Illinois Bundleflower?

60-150 cm

### How long does Illinois Bundleflower live?

3-10 years

### What does Illinois Bundleflower eat?

As a primary producer, the Illinois Bundleflower generates its own energy from sunlight via photosynthesis, drawing water and essential minerals from the soil.

### Where is Illinois Bundleflower usually found?

Typically found in native prairies, open woodlands, glades, riverbanks, and disturbed environments such as roadsides, thriving in moist, well-drained soils.

## Where to spot

- [Botanical Research Institute of Texas](https://www.snappit.app/guides/places/botanical-research-institute-of-texas) — Texas, US · Botanical Garden
- [Paseo Arts District](https://www.snappit.app/guides/places/paseo-arts-district) — Oklahoma, US · Historic District
- [Shaw Nature Reserve](https://www.snappit.app/guides/places/shaw-nature-reserve) — Missouri, US · Botanical Garden
- [Eugene Field Park](https://www.snappit.app/guides/places/eugene-field-park) — Illinois, US · Park

[View all places to see Illinois Bundleflower](https://www.snappit.app/guides/where-to-see/illinois-bundleflower)

## More Plants

- [white snakeroot](https://www.snappit.app/explore/white-snakeroot) (*Ageratina altissima*)
- [tree-of-heaven](https://www.snappit.app/explore/tree-of-heaven) (*Ailanthus altissima*)
- [western sword fern](https://www.snappit.app/explore/western-sword-fern) (*Polystichum munitum*)
- [common milkweed](https://www.snappit.app/explore/common-milkweed) (*Asclepias syriaca*)

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Source: [Illinois Bundleflower: Facts & Places to See — Snappit](https://www.snappit.app/explore/illinois-bundleflower)