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Avicennia germinans (L.) L.
Synonym(s): Avicennia nitida
USDA Symbol: avge
Evergreen shrub or, in tropical regions, a tree with rounded crown of spreading branches. This tropical shrub bears thick, elliptic, evergreen leaves and small, white flowers with dark-spotted corollas. The 1 1/2-2 1/2 in. long leaves are dark-green above, pale-gray hairy beneath. Black mangrove can become tree-like and reach a height of 50 ft., but it is usually much shorter. The bark is dark gray and smooth at first, becoming scaly on larger trunks. Many upright, unbranched roots are exposed. Black Mangrove is the hardiest of the four species forming the mangrove swamp forests of southern Florida. It penetrates farthest inland into brackish water of rivers and farthest north along the Gulf Coast, where it becomes smaller and shrubby and is killed in cold winters. New seedlings, however, invade from seeds transported by currents and persist a few years. An important honey plant, it yields clear whitish honey of high quality. The other three native mangroves are tropical trees confined mostly to southern Florida but do extend northward along the coast to the central part of that state.
This species is a member of the verbena family (family Verbenaceae), which includes about 75 genera and 3,000 species of herbs, shrubs, and trees, mostly of tropical and warm temperate regions. Among them, teak is a highly prized furniture wood, and Vervain, Lantana, Lippia or Frog Fruit, and Chase Tree or Vitex are grown as ornamentals.
Plant CharacteristicsDuration: Perennial Habit: Shrub Leaf Complexity: Simple Leaf Shape: Lanceolate Leaf:
Grayish hue due to fine hairs Flower:
Flowers 10 mm across
3 cm Size Class:
Bloom InformationBloom Color: White
Bloom Time: Jul , Aug
, TX Native Distribution:
& sporadically along the Gulf to s. coastal TX Native Habitat:
Tidal marshes, behind the red mangrove fringe
Growing ConditionsWater Use: Medium
Light Requirement: Sun
Soil Moisture: Moist
Soil Description: Sandy, Sandy Loam, Medium Loam, Clay Loam, Clay, Saline tolerant, Saline to brackish water.
Conditions Comments: Can bloom occasionally during any part of the year. Useful for canal bank stabilization and as a hedge bordering bodies of salt water.
BenefitUse Ornamental: Attractive, Blooms ornamental, Erosion control
Use Wildlife: Nectar-insects, Seeds-granivorous birds, Seeds-Small mammals, Cover, Nesting site
Conspicuous Flowers: yes
May be propagated by seed. When the seed coat cracks, a pair of thick, green seed leaves and a tiny stem
are exposed, all ready to grow. Seed Collection:
Not Available Seed Treatment:
Not Available Commercially Avail:
National Wetland Indicator Status
|Status:|| OBL || OBL || OBL |
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
Record Last Modified: 2007-01-01
Research By: TWC Staff