Avicennia germinans
Black mangrove is a shrub or small tree to 12 meters. It grows in tropical and subtropical regions of the Americas. The seeds start germinating while still attached to the tree, but the embryo stays within the fruit until fruit fall. Seed - very subject to desiccation, the seed is best sown fresh, though they have been known to float in salt water for one year without rooting yet still be viable. Young seedlings grow best when they are in contact with fresh water, though older seedlings need contact with sea water.
Avicennia germinans
Black mangrove is a shrub or small tree to 12 meters. It grows in tropical and subtropical regions of the Americas. The seeds start germinating while still attached to the tree, but the embryo stays within the fruit until fruit fall. Seed - very subject to desiccation, the seed is best sown fresh, though they have been known to float in salt water for one year without rooting yet still be viable. Young seedlings grow best when they are in contact with fresh water, though older seedlings need contact with sea water.