# pine-barren sandwort (*Mononeuria caroliniana*)

Pine-barren sandwort is a small, delicate plant that grows in sandy areas. It has tiny white flowers that bloom in the spring and is a special part of its habitat.

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

![pine-barren sandwort](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Southern_wild_flowers_and_trees_%28Page_161%252C_Plate_LII%29_BHL23630341.jpg&width=800)

Photo: Lounsberry, Alice.; Rowan, Marian Ellis Ryan, Public domain · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Southern_wild_flowers_and_trees_%28Page_161%252C_Plate_LII%29_BHL23630341.jpg)

## Appearance

The pine-barren sandwort is a small, delicate perennial herb with slender, often branched stems. It has narrow, needle-like leaves, typically clustered, and tiny white flowers, each with five deeply notched petals, giving them a star-like appearance.

## Taxonomy

- **Kingdom:** Plantae
- **Phylum:** Tracheophyta
- **Class:** Magnoliopsida
- **Order:** Caryophyllales
- **Family:** Caryophyllaceae
- **Genus:** Geocarpon

## Interesting facts

- It's like a pioneer, being one of the first plants to grow after a fire!
- Its tiny white flowers can look like a carpet of mini stars!
- Some scientists changed its name, it's that unique!
- This plant often grows where other plants struggle to survive.

## Special abilities

- **Sandy Soil Master:** Pine-barren sandwort can thrive in super sandy, dry soils thanks to special adaptations for nutrient uptake and water retention.
- **Fire Follower:** Pine-barren sandwort has seeds that can sprout quickly after a forest fire, helping it colonize freshly opened, sunny spaces.
- **Drought Defender:** Pine-barren sandwort has small, needle-like leaves that help it survive in very dry conditions by reducing water loss.

## Measurements & details

- **Height:** 5-30 cm
- **Spread:** 10-20 cm
- **Flower Size:** 0.4-0.7 cm
- **Bloom Season:** Late spring to early summer (April-July)
- **Edible:** No
- **Toxicity:** None
- **Lifecycle:** Perennial
- **Pollination Method:** Insect

## Ecological connections

- **Pollinates:** Viereck's sweat bee (*Lasioglossum vierecki*) — Visits its tiny flowers for nectar.
- **Pollinates:** Carolina mining bee (*Andrena caroliniana*) — Gathers pollen and nectar from blooms.
- **Symbiotic with:** mycorrhizal fungus (*Rhizophagus irregularis*) — Helps plant absorb nutrients from poor soil.

## Traits

- [Flowering](https://www.snappit.app/explore/traits/flowering): Flowering plants are any plants that produce flowers as part of their reproductive cycle.
- [Spring Blooming](https://www.snappit.app/explore/traits/spring-blooming): Spring blooming plants produce their flowers during the spring season, often signifying the end of winter and the start of new growth.
- [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.
- [Keystone Species](https://www.snappit.app/explore/traits/keystone-species): Describes a species whose presence and role have a disproportionately large effect on its environment.
- [Endangered](https://www.snappit.app/explore/traits/endangered): Endangered status indicates a species is at a very high risk of extinction in the wild in the near future.

## Collections

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

## Safety

**Danger:** 1/5 · Very low

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

## Frequently Asked Questions

### How to identify pine-barren sandwort?

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 pine-barren sandwort?

5-30 cm

### How wide does pine-barren sandwort spread?

10-20 cm

### How big are the flowers on pine-barren sandwort?

0.4-0.7 cm

### When does pine-barren sandwort bloom?

Late spring to early summer (April-July)

### Is pine-barren sandwort edible?

No

### Is pine-barren sandwort toxic?

None

### What is pine-barren sandwort's lifecycle?

Perennial

## Where to spot

- [Cheraw Historic District](https://www.snappit.app/guides/places/cheraw-historic-district) — South Carolina, US · Historic District
- [Singletary Lake State Park](https://www.snappit.app/guides/places/singletary-lake-state-park) — North Carolina, US · State Park

## 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*)

---

Source: [Pine-barren Sandwort: Facts & Places to See — Snappit](https://www.snappit.app/explore/pine-barren-sandwort)