介绍了泰国根茎(根茎科)的分类学修订。两个物种,R.apiculataBlume和R.mucronataPoir。,用更新的形态学描述枚举,插图和分类识别键,连同关于发行的注释,栖息地和生态,物候学,保护评估,词源,白话名字,uses,和标本检查。根草的三个名字,是原型化的:R.apiculata和R.mucronata的两个相关同义词(即,R.latifoliaMiq。和R.MacrorhizaGriff.).R.LongissimaBlanco,R.mucronata的同义词,是新定型的。所有两个根茎属物种都具有最小关注(LC)的保护评估。基于形态学鉴定,这两个物种可以通过叶片的形状和宽度以及叶片的末端硬点的长度来彼此区分;花序的类型和位置以及每个花序的花数;小片的特征和颜色;花梗的存在或不存在;成熟花蕾的形状;形状,颜色,和萼片的质地;形状,字符,和花瓣毛的存在或不存在;每朵花的雄蕊的数量;果实的大小;下胚轴的颜色和大小;子叶圆柱形管的颜色和直径;以及绒毛和渗出物的颜色。厚厚的角质层,凹陷的气孔,大皮下细胞,软木疣是生活在红树林环境中的根茎叶的适应性解剖特征。泰国根茎的花粉粒是三酚酸盐,长球形或扁球形,小尺寸,和网状的外部雕刻。
A taxonomic revision of Rhizophora L. (
Rhizophoraceae) in Thailand is presented. Two species, R. apiculata Blume and R. mucronata Poir., are enumerated with updated morphological descriptions, illustrations and a taxonomic identification key, together with notes on distributions, habitats and ecology, phenology, conservation assessments, etymology, vernacular names, uses, and specimens examined. Three names in Rhizophora, are lectotypified: R. apiculata and two associated synonyms of R. mucronata (i.e., R. latifolia Miq. and R. macrorrhiza Griff.). R. longissima Blanco, a synonym of R. mucronata, is neotypified. All two Rhizophora species have a conservation assessment of Least Concern (LC). Based on the morphological identification, these two species can be distinguished from one another by the shape and width of the leaf laminae and the length of a terminal stiff point of the leaf laminae; the type and position of the inflorescences and the number of flowers per inflorescence; the character and color of the bracteoles; the presence or absence of the flower pedicels; the shape of the mature flower buds; the shape, color, and texture of the sepals; the shape, character, and the presence or absence of hairs of the petals; the number of stamens per flower; the size of the fruits; the color and size of the hypocotyls; the color and diameter of the cotyledonous cylindrical tubes; and the color of the colleters and exudate. The thick cuticles, sunken stomata, large hypodermal cells, and cork warts are adaptive anatomical features of leaves in Rhizophora that live in the mangrove environments. The pollen grains of Thai Rhizophora species are tricolporate, prolate spheroidal or oblate spheroidal shapes, small-sized, and reticulate exine sculpturing.