# Bladderwort (*Utricularia L.*)

Bladderwort is a unique underwater plant that catches tiny insects and small aquatic creatures in its bladders. It has no roots and floats freely in water, using its bladders as traps for food.

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Habitat:** Aquatic
- **Also known as:** Utricularia

![Bladderwort](https://inaturalist-open-data.s3.amazonaws.com/photos/158883179/medium.jpg)

Photo: Under the same moon..., CC BY 4.0 · [iNaturalist](https://www.inaturalist.org/photos/158883179)

## Appearance

The Bladderwort is a rootless plant, often submerged or floating, with delicate green stems and finely divided leaves. Its small, often bright yellow or purple flowers emerge on slender stalks above the water, while tiny, balloon-like bladders dot its submerged parts.

## Taxonomy

- **Kingdom:** Plantae
- **Phylum:** Tracheophyta
- **Class:** Magnoliopsida
- **Order:** Lamiales
- **Family:** Lentibulariaceae
- **Genus:** Utricularia

## Interesting facts

- Bladderwort traps are among the most complex mechanical structures found in the plant kingdom.
- Scientists once thought bladderworts were just simple algae because of their rootless, basic form.
- Some bladderwort species can live entirely on land, thriving in wet, boggy soils!
- Tiny air bubbles inside bladderwort traps help keep the plant buoyant and floating in water.

## Special abilities

- **Vacuum Snatcher:** Bladderwort can quickly suck in tiny prey like water fleas using specialized bladders, making it a lightning-fast hunter.
- **Free Floater:** Bladderwort has no true roots, allowing many species to drift freely in water or colonize very wet, boggy soils.

## Measurements & details

- **Height:** 5-50 cm
- **Spread:** 10-100 cm
- **Flower Size:** 0.5-2 cm
- **Bloom Season:** Late spring to fall
- **Edible:** No
- **Toxicity:** None
- **Lifecycle:** Perennial
- **Pollination Method:** Insect

## Ecological connections

- **Pollinates:** honey bee (*Apis mellifera*) — Visits flowers for nectar, aiding reproduction.
- **Eaten by:** water flea (*Daphnia pulex*) — Tiny aquatic crustacean caught in vacuum traps.
- **Symbiotic with:** feathery bog-moss (*Sphagnum fallax*) — Often shares acidic bog habitats, intertwined.

## Traits

- [Deciduous](https://www.snappit.app/explore/traits/deciduous): Deciduous plants periodically shed all their leaves, typically during autumn or dry seasons.
- [Rapid Growing](https://www.snappit.app/explore/traits/rapid-growing): Rapid growing plants exhibit accelerated growth rates, quickly increasing in size and biomass within a short period.
- [Ancient Lineage](https://www.snappit.app/explore/traits/ancient-lineage): This trait signifies organisms belonging to a very old evolutionary group with ancestors dating back millions of years.
- [Carnivorous Plant](https://www.snappit.app/explore/traits/carnivorous-plant): Carnivorous plants are predatory flowering plants that derive some or most of their nutrients from trapping and consuming animals or protozoans.
- [Aquatic](https://www.snappit.app/explore/traits/aquatic): Aquatic habitats encompass environments where organisms live predominantly in water, including oceans, rivers, lakes, and wetlands.

## Collections

- [Aquatic Plants](https://www.snappit.app/explore/collections/aquatic-plants)
- [Plants](https://www.snappit.app/explore/collections/plants)

## Safety

**Danger:** 1/5 · Very low

Avoid touching or disturbing bladderwort in its natural habitat to protect its delicate ecosystem.

## Frequently Asked Questions

### How to identify Bladderwort?

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 tall is Bladderwort?

5-50 cm

### How wide does Bladderwort spread?

10-100 cm

### How big are the flowers on Bladderwort?

0.5-2 cm

### When does Bladderwort bloom?

Late spring to fall

### Is Bladderwort edible?

No

### Is Bladderwort toxic?

None

### What is Bladderwort's lifecycle?

Perennial

## 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: [Bladderwort: Facts & Places to See — Snappit](https://www.snappit.app/explore/bladderwort)