The influence of environmental pollution in plants can be seen from stomata in the leaves. Family - Meliaceae. Also, the flowers are different and the fruit is bigger and more pear-shaped. Abstract. Swietenia macrophylla, aussi appelé acajou du Honduras ou acajou du Brésil, ou encore mahogany grandes feuilles, est une des espèces d'arbre de la famille des Meliaceae. Last Updated on September 19, 2012. in the research plot showed different leaf colors, 18 dark green, 12 green, and one yellowish green, respectively. The hairs of Asclepias begin to bend significantly at a wind speed of 0.5-0.9 m s-1, and have an angle of attack of almost 90° at wind speeds of 4.0-5.1 m s-1. The difference in stomata density in both locations was significant. Swietenia macrophylla, otherwise known as Big Leaf Mahogany or Honduras Mahogany, is a slow-growing, tall, tropical tree reaching a height of about 40-60 m. Often buttressed, the trunk is covered with gray and cracked bark. Photograph by: Gerrit Davidse. They are Swietenia mahagoni, Swietenia macrophylla, and Swietenia humilis. The crown is large, open, and round. Luster high and golden; texture rather fine to coarse; grain straight to roey, wavy, or curly, often with an attractive figure; odor and taste not distinctive. Swietenia macrophylla Country: Peru, Brazil and Bolivia Original Language - English BIG-LEAF MAHOGANY (SWIETENIA MACROPHYLLA) IN PERU, BOLIVIA AND BRAZIL AUTHORS: Elena Mejía1 Ximena Buitrón2 Marielos Peña-Claros3 James Grogan4 1 & 2: UICN SUR Regional Office for South America 3 Instituto Boliviano de Investigación Forestal, Bolivia Mahogany is a straight- grained, reddish-brown timber of three tropical hardwood species of the genus Swietenia, indigenous to the Americas and part of the pantropical chinaberry family, Meliaceae. The research was conducted in March to July 2019 in the Botanical Laboratory, Faculty of Mathematics and Science of Natural Sciences, Universitas Negeri Padang. Due to the past indiscriminate felling, the mahogany of this species is not any more commercialized, it is available only rarely and in limited quantities, mostly coming from small African plantations; presently, the mahogany utilized comes almost exclusively from the Swietenia macrophylla, native to continental America, from Mexico to Bolivia and Brazil. Seeds are winged and dark brown coloured. This has led many to believe that the wood was grown in Honduras. Symbol Key - SWMA. S. macrophylla is commonly grown in Singapore as an ornamental roadside tree and is one of the world's most valuable source of hardwood timber used to make furniture. The stomata density on Jl. Swietenia macrophylla. The ICAR has its headquarters at New Delhi. " The product yields were collected at an interval of 25 °C. USDA Plant Characteristics  Swietenia macrophylla. Common Name - Honduras mahogany. The Indian Council of Agricultural Research (ICAR) is an autonomous organisation under the Department of Agricultural Research and Education (DARE), Ministry of Agriculture, Government of India. The variation in seed weight, germination percentage and germination period could be due to provenance differences, size of capsules, crown size of parent trees, level of seed maturity, site fertility, health condition of parent trees and environmental factors of a locality. Atlantis Press is a professional publisher of scientific, technical and medical (STM) proceedings, journals and books. This study was aimed to determine the characteristic of the mahogany leaf stomata in a polluted environment. The selection of parent trees having larger capsules appears to be most promising for seed collection. Swietenia macrophylla. On another hand, young leaves have Botany. The fruit is a large (12.90-15.40 cm length x 8.74-10.64 em diameter, excluding the capsule stalk), erect woody capsule. Wood characteristics Swietenia macrophylla is a rather soft, medium-weight timber. Morphological characteristics of . We offer world-class services, fast turnaround times and personalised communication. This majestic tree can live upward of 350 years. Big Leaf Mahogany … King. ", "Structure of mahogany (Swietenia macrophylla King) fruit, seed and their characteristics". southwestern Mexico to Costa Rica; and Swietenia macrophylla King exists in regions of abundant rainfall from southern Mexico, through Central America, Colombia, Venezuela, the Amazon Basin, eastern Peru, and northern Bolivia. Color/Appearance: Heartwood color can vary a fair amount with Honduran Mahogany, from a pale pinkish brown, to a darker reddish brown. Meliaceae + Synonyms. Share: Facebook; Twitter; Linkdin; Email; Type. 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