Checklist of Mangrove species of South East India and Sri Lanka

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Sonneratia apetala Buch. - Ham. - SONNERATIACEAE - Dicotyledon

Common name in Tamil : Marama maram
Common name in Telugu : Kalinga, kyalanki

Habit - © Pierre GRARD - IFP Trunks - © Pierre GRARD - IFP Pneumatophores - © Pierre GRARD - IFP Stems - © Pierre GRARD - IFP Stem and flowers - © Pierre GRARD - IFP Leaves - © Pierre GRARD - IFP Opposite leaves - © Pierre GRARD - IFP Flowers - © Pierre GRARD - IFP Non mature fruits - © Pierre GRARD - IFP Bark - © Pierre GRARD - IFP Botanical line drawing - © Rapinat Herbarium - Trichy

Diagnostic characters Botany & morphology Regeneration Reproductive biology Ecology Distribution Uses

Diagnostic characters :

Evergreen trees with black smooth bark, wood grey; pneumatophores erect. Flowers white; fruits large, depressed – globose.

Botany & morphology :

Leaves simple, opposite, short petiolate, decussate, elliptic - oblong, obovate, apex tapering, base attenuate, 4 - 10 x 2 - 3 cm, coriaceous, glaucous on both sides.

Inflorescence axillary, 3 - flowered cymes.

Flowers large, regular, bisexual, white or yellowish white, 1.5 - 5 cm across; calyx 4 - lobed, reflexed, slightly connate with ovary; petal absent; stamens numerous, filaments bent inwards in bud; ovary 2 - 20 celled, stigma large, umbrella shaped.

Fruits globose berry seated on the flattened calyx-tube, 2 - 2.5 cm across, many seeded.

Pneumatophores 60 – 150 cm long, arising from horizontal roots, corky, forked twice or thrice, associated with anchor roots and nutrition roots.

Regeneration :

Epigeal or modified epigeal germination.

Reproductive biology :

Pollination by bats and moths.

Ecology :

Gregarious along the intertidal estuarine regions of mangrove forests, often as a pioneer species on newly formed mudflats.

Distribution :

In India both the coast from Bombay to Sunderbans. In Sri Lanka, Koddiyarstem island. And in Myanmar, Moulmein.

Uses :

Stem is used for paper pulp, matches, and as poles, leaves as fodder. Its fruits are used as vegetable.

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