Century Dictionary and Cyclopedia
- n. A genus of polypetalous trees, the mangroves, type of order Rhizophoraceæ, and of the tribe Rhizophoreæ. It is characterized by a four-parted calyx, surrounded with a cupule or involucre of partly united bractlets, by its four petals and eight to twelve elongated and nearly sessile anthers, which are at first many-celled, and by a partly inferior ovary which is prolonged above into a fleshy cone and bears two pendulous ovules in each of its two cells. There are 2 (or, as some regard them. 5) species, frequent on muddy or coral shores in the tropics, there forming dense and almost impassable jungles known as mangrove-swamps. They are trees with thick cylindrical and scarred branchlets, bearing opposite thick and smooth coriaceous leaves, which are ovate or elliptical and entire. Their large rigid flowers are borne in axillary clusters, followed by a nut-like one-seeded fruit. The seed is remarkable for germinating while yet in the longpersistent fruit. It contains a large embryo with a very long club-shaped radicle, which soon pierces the point of the hard pericarp and lengthens till it reaches the mud, or becomes a foot long before falling. The mangrove is also remarkable for spreading by aërial roots. The ordinary species is R. mucronata, which reaches to semitropical Florida, the delta of the Mississippi, and Texas. See
GNU Webster's 1913
- n. (Bot.) A genus of trees including the mangrove. See mangrove.
- n. type genus of the Rhizophoraceae; a small genus of tropical trees and shrubs
“Species such as Rhizophora mangle, Avicennia shaueriana, and Laguncularia racemosa compose mixed or mono-specific formations with heights varying from 5 to 15 meters (m).”
“Along the coast, there are stretches of halophytic vegetation, and the few sheltered creeks are fringed with stands of mangroves such as Rhizophora mucronata, Ceriops tagal, and Avicennia marina.”
“Protected coves and lagoons are dominated by red, white, black and button mangrove swamps of Rhizophora mangle, Avicennia germinans, Laguncularia racemosa and Conocarpus erecta with the halophytic herbs Sesuvium spp., which are rich nursery and breeding grounds for fish, invertebrates and birds.”
“Mangroves along the Pacific coast comprise Rhizophora mangle, Avicennia nitida, Laguncularia racemosa, Mora oleifera (V) and Pterocarpus officinalis.”
“Mangrove forest, which is at its northern limit in the North Pacific, comprises Rhizophora mangle, Zostera marina and Salicornia bigelowii (IK).”
“In the mangroves fringing the coastal lagoons Rhizophora mangle is characteristic.”
“Mangrove forests contain red mangrove Rhizophora mangle, black mangrove Avicennia nitida, and white mangrove Laguncularia racemosa.”
“Both types of mangroves house the same tree species: Rhizophora mangle, Laguncularia racemosa and a few individuals of Avicennia germinans, which are scarce because they are relatively intolerant of high salinity and persistent floods.”
“In addition there are four coastal vegetation types: shoreline with coconut Cocos nucifera and wild almond Terminalia catappa, Mora mangrove Mora oleifera forest transitional between mangroves and the coast, mangrove swamp with Rhizophora mangle dominating four other species, and brackish water Prioria copaifera (cativa) forest. 130 lichen species and 148 fungi have been recorded There is also some successional vegetation and secondary forest on old penal colony pastures.”
“Mangrove species such red mangrove (Rhizophora mangle), black mangrove (Avicennia germinans), white mangrove (Laguncularia racemosa) and button mangrove (Conocarpus erectus) grow along the calm lagoons.”
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