# black mangrove (*Avicennia germinans*)

The black mangrove is a special tree that grows in muddy coastal areas. It has unique roots that stick up out of the ground to help it breathe and stay strong in the water.

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Snaps:** 3
- **Habitat:** Coastal areas

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

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

## Appearance

The black mangrove has distinctive dark, fissured bark and leathery, oval leaves that are shiny green above and silvery-white below. Its small, four-petaled flowers are creamy white, clustered at branch tips, offering a subtle contrast to the dark foliage.

## Taxonomy

- **Kingdom:** Plantae
- **Phylum:** Tracheophyta
- **Class:** Magnoliopsida
- **Order:** Lamiales
- **Family:** Acanthaceae
- **Genus:** Avicennia

## Interesting facts

- Fallen black mangrove leaves feed tiny creatures at the bottom of the food web!
- Indigenous peoples traditionally used parts of this tree for medicine and even dyes!
- Its bark is so dark it gives the tree its common name, making it easy to spot!
- This amazing tree creates new land by trapping sediment with its dense root system!

## Special abilities

- **Salt Sweaters:** Black mangrove can remove excess salt through glands on its leaves, making them appear silvery, helping it thrive in saltwater.
- **Breathing Roots:** Black mangrove has specialized, pencil-like root projections called pneumatophores that help its roots get oxygen in waterlogged soil.
- **Live Birthers:** Black mangrove can germinate its seeds while still attached to the tree, allowing seedlings to quickly establish in soft mud.

## Measurements & details

- **Height:** 500-1000 cm
- **Spread:** 300-800 cm
- **Flower Size:** 0.5-1 cm
- **Bloom Season:** Spring to Summer
- **Edible:** No
- **Toxicity:** None
- **Lifecycle:** Perennial
- **Pollination Method:** Insect

## Ecological connections

- **Pollinates:** Honey Bee (*Apis mellifera*) — Bees gather nectar and pollen from its flowers.
- **Eaten by:** Mangrove Tree Crab (*Aratus pisonii*) — This crab climbs the tree to graze on its leaves.
- **Shelter:** Fiddler Crab (*Uca pugnax*) — Crabs find shelter and food among its roots and leaf litter.
- **Shelter:** [Snowy Egret](https://www.snappit.app/explore/snowy-egret) (*Egretta thula*) — Birds nest and roost within its dense canopy and branches.

## 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.
- [Evergreen](https://www.snappit.app/explore/traits/evergreen): Evergreen plants retain their foliage throughout the year, never shedding all their leaves at once.
- [Salt Tolerant](https://www.snappit.app/explore/traits/salt-tolerant): Salt tolerant plants can withstand and grow in conditions with elevated salinity levels in the soil or water.
- [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.
- [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.
- [Longevous](https://www.snappit.app/explore/traits/longevous): This trait characterizes organisms with an exceptionally long lifespan compared to others of their kind.
- [Coastal](https://www.snappit.app/explore/traits/coastal): Coastal habitats are dynamic environments located along the interface between land and sea, influenced by tides, waves, and saltwater.
- [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.

## Collections

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

## Safety

**Danger:** 1/5 · Very low

Stay on paths and be careful near water when exploring mangroves.

## Frequently Asked Questions

### How to identify black mangrove?

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 black mangrove?

500-1000 cm

### How wide does black mangrove spread?

300-800 cm

### How big are the flowers on black mangrove?

0.5-1 cm

### When does black mangrove bloom?

Spring to Summer

### Is black mangrove edible?

No

### Is black mangrove toxic?

None

### What is black mangrove's lifecycle?

Perennial

## Where to spot

- [Boca Chita Key Historic District](https://www.snappit.app/guides/places/boca-chita-key-historic-district) — US · Historic District
- [Cedar Key Scrub State Reserve](https://www.snappit.app/guides/places/cedar-key-scrub-state-reserve) — Florida, US · State Park
- [McKee Botanical Garden](https://www.snappit.app/guides/places/mckee-botanical-garden) — Florida, US · Botanical Garden
- [Monroe Lake Archeological District](https://www.snappit.app/guides/places/monroe-lake-archeological-district) — Florida, US · Historic District
- [Palma Sola Botanical Park](https://www.snappit.app/guides/places/palma-sola-botanical-park) — Florida, US · Botanical Garden
- [Curry Hammock State Park](https://www.snappit.app/guides/places/curry-hammock-state-park) — Florida, US · State Park

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

## 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: [Black Mangrove: Facts & Places to See — Snappit](https://www.snappit.app/explore/black-mangrove)
