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Lumnitzera racemosa Willd.
Evergreen tree, height upto 10 m. deliquiscent
and diffused, erect and much branched
Pneumatophores occasionally developed
as looping lateral roots
Leaf simple cyclic or alternate, exstipulate,
petiolate, apex rounded to emarginate, flattened, green , glabrous, pulvinous,
Lamina subulate, entire or slightly wavy,
obtuse or slightly notched in apex, green, dorsiventral, unicostate, reticulate
venation, vein inconspicuously present.
Inflorescence spike, 2-3 cm long, terminal
or axillary
Flowers pedicellate, pedicel short, bracteate,
ovate, entire, acute, green, coriaceous, hermophrodite, actinimorphic,
complete, erect, pentamerous, epigynous.
Sepals 5, gamosepalous, forming a tube
like structure, from the base to half portion of calyx tube
Petals 5, polypetalous, oblong lanceolate,
entire, acute, white, coriaceous, deciduous, superior, imbricate, alternate
to sepals
Stamens 10, free, arranged in two
whorls, 5 stamens develop at the base of petal and other 5 stamens at the
base of the sepal teeth
Filament 0.5 cm in length, basifixed,
round, soft, white, anther bilobed, extrose, exerted, superior
Carpels 1, ovary inferior, 1.0 cm long,
one chambered, 3 ovules, hanging from upper end of the ovarian chamber,
style one terminal, white, gradually tapering , glabrous, soft, stigma
absent.
Fruit 1 seeded oblong ovoid, 1-2 cm long
, yellowish green in colour, glossy surface, vase-shaped with hard corky
coa, buoyant, dispersed by current..
Seed germination hypogeal or modified
epigeal
Evergreen tree, 20 m tall, fibrous fissured
bark, with spreading branches
Pneumatophores occasionally developed
as looping lateral roots
Leaves spirally arranged, leaf blades
hairy, when young, cordate at the top of the branches, oblong obovate or
oblanceolate, fleshy
Flowers in dense terminal and axillary
spike, 1-2 cm, white, sessile actinomorphic.
Fruit 1 seeded oblong ovoid, 1-2 cm long
with hard coat.
Seed germination hypogeal or modified
epigeal
Economic Importance :Stem bark contains
19% tannin, stem juice is said ti be useful for herpes and itches.
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