# largeleaf pennywort (*Hydrocotyle bonariensis*)

Largeleaf pennywort is a fun plant with big, round leaves that float on water. It loves to grow in wet places and can be found in many gardens and ponds.

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Snaps:** 1
- **Habitat:** Wetlands

![largeleaf pennywort](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Hydrocotyle_bonariensis.jpg&width=800)

Photo: Franz Xaver, CC BY-SA 3.0 · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Hydrocotyle_bonariensis.jpg)

## Appearance

The largeleaf pennywort has bright green, circular leaves that are often described as coin-shaped, with the stem attached to the center. These smooth, glossy leaves can float on water or grow upright in moist soil, giving it a distinct, low-growing mat-like appearance.

## Taxonomy

- **Kingdom:** Plantae
- **Phylum:** Tracheophyta
- **Class:** Magnoliopsida
- **Order:** Apiales
- **Family:** Araliaceae
- **Genus:** Hydrocotyle

## Interesting facts

- Believe it or not, its name means 'water coin' because of its shape!
- It helps shoreline ecosystems by providing shelter for small aquatic creatures!
- Its round leaves float like tiny green lily pads!
- This plant can grow happily both on land and completely underwater!

## Special abilities

- **Water Wanderer:** Largeleaf pennywort can grow rooted in wet soil or float freely on water, helping it colonize diverse aquatic habitats.
- **Rapid Reacher:** Largeleaf pennywort has creeping stems (stolons) that help it quickly spread out and cover large areas of ground.
- **Erosion Protector:** Largeleaf pennywort forms dense mats of roots and leaves that help stabilize soil and prevent it from washing away.

## Measurements & details

- **Height:** 5-20 cm
- **Spread:** 30-100 cm
- **Flower Size:** 0.1-0.2 cm
- **Bloom Season:** Spring_to_fall
- **Edible:** Yes
- **Toxicity:** None
- **Lifecycle:** Perennial
- **Pollination Method:** Insect

## Ecological connections

- **Eaten by:** Mallard duck (*Anas platyrhynchos*) — Waterfowl graze on its leaves and stems.
- **Eaten by:** Great pond snail (*Lymnaea stagnalis*) — Aquatic snails often graze on its submerged parts.
- **Shelter:** Mosquitofish (*Gambusia affinis*) — Small fish hide among its dense aquatic growth.
- **Shelter:** Bloodworm midge (*Chironomus plumosus*) — Larvae find refuge among its roots.

## Traits

- [Flowering](https://www.snappit.app/explore/traits/flowering): Flowering plants are any plants that produce flowers as part of their reproductive cycle.
- [Broadleaf Tree](https://www.snappit.app/explore/traits/broadleaf-tree): Broadleaf trees are angiosperms characterized by flat, wide leaves that are typically shed annually in temperate climates.
- [Medicinal](https://www.snappit.app/explore/traits/medicinal): Medicinal plants possess chemical compounds that can be used for therapeutic purposes to treat illnesses or maintain health.
- [Edible](https://www.snappit.app/explore/traits/edible): Edible plants are those parts of a plant that are considered safe for human consumption.
- [Pollinator Magnet](https://www.snappit.app/explore/traits/pollinator-magnet): Describes plants that are particularly attractive and beneficial to a wide range of pollinating organisms.
- [Wetland](https://www.snappit.app/explore/traits/wetland): This habitat trait identifies species found in wetlands, which are areas of land saturated with water, either permanently or seasonally, including marshes, swamps, and bogs.
- [Aquatic](https://www.snappit.app/explore/traits/aquatic): Aquatic habitats encompass environments where organisms live predominantly in water, including oceans, rivers, lakes, and wetlands.
- [Pollinator](https://www.snappit.app/explore/traits/pollinator): Describes organisms that transfer pollen, enabling the fertilization and reproduction of plants.

## Collections

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

## Safety

**Danger:** 1/5 · Very low

Always wash your hands after touching plants, just to be safe!

## Frequently Asked Questions

### How to identify largeleaf pennywort?

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 largeleaf pennywort?

5-20 cm

### How wide does largeleaf pennywort spread?

30-100 cm

### How big are the flowers on largeleaf pennywort?

0.1-0.2 cm

### When does largeleaf pennywort bloom?

Spring_to_fall

### Is largeleaf pennywort edible?

Yes

### Is largeleaf pennywort toxic?

None

### What is largeleaf pennywort's lifecycle?

Perennial

## Where to spot

- [Moultrieville Historic District](https://www.snappit.app/guides/places/moultrieville-historic-district) — US · Historic District
- [St. Catherines Island](https://www.snappit.app/guides/places/st-catherines-island) — Georgia, US · Natural Landmark
- [Sullivan's Island Historic District](https://www.snappit.app/guides/places/sullivans-island-historic-district) — US · Historic District
- [Sandsprit Park](https://www.snappit.app/guides/places/sandsprit-park) — Florida, US · Park

[View all places to see largeleaf pennywort](https://www.snappit.app/guides/where-to-see/largeleaf-pennywort)

## 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: [Largeleaf Pennywort: Facts & Places to See — Snappit](https://www.snappit.app/explore/largeleaf-pennywort)
