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Rattan. Calamus thwaitesii in southwestern India. Juvenile Calamus oblongus subsp. mollis in a forest understory in the Philippines. Rattan, also spelled ratan (from Malay: rotan), is the name for roughly 600 species of Old World climbing palms belonging to subfamily Calamoideae. The greatest diversity of rattan palm species and genera are in ...
Korthalsia. Blume [ 1] Species. See text. Synonyms. Calamosagus Griff. Korthalsia is a clustering genus of flowering plant in the palm family spread throughout Southeast Asia. It is a highly specialized rattan with some species known to have an intimate relationship with ants, hence the common name ant rattan. [ 2]
Calamus deerratus is a clustering palm that can climb up to 20 m, it grows in clumps with stems that are sometimes encircled by sheaths, the stems are between 15 and 20 cm in length and 3–4 cm in diameter. [1] The leaves are pinnately compound in arrangement with tubular leaf sheaths that can reach up to 20 cm long, the sheaths are covered in ...
Plectocomiopsis wrayi Becc. Plectocomiopsis is a dioecious genus of flowering plant in the palm family found in Indochina, Malaysia, Borneo and Sumatra. [2] Hapaxanthic and armed with spines, they are a climbing rattan, closely related to the Myrialepis palms. [3] The name is Greek for "similar to Plectocomia ", another close relative.
Cluster analysis or clustering is the task of grouping a set of objects in such a way that objects in the same group (called a cluster) are more similar (in some specific sense defined by the analyst) to each other than to those in other groups (clusters). It is a main task of exploratory data analysis, and a common technique for statistical ...
Ceratolobus was a dioecious genus of flowering plants in the palm family found in Southeast Asia, commonly called rotan. Its species are now included within the genus Calamus. [1] They were only differentiated from Calamus and close relatives like Korthalsia by leaf sheath appendages or inflorescence variations. [2]
A wide range of methods have been developed to assess the structure of human populations with the use of genetic data. Early studies of within and between-group genetic variation used physical phenotypes and blood groups, with modern genetic studies using genetic markers such as Alu sequences, short tandem repeat polymorphisms, and single nucleotide polymorphisms (SNPs), among others. [11]
The origin and evolution of metabolic gene clusters have been debated since the 1990s. [11] [12] It has since been demonstrated that metabolic gene clusters can arise in a genome by genome rearrangement, gene duplication, or horizontal gene transfer, [13] and some metabolic clusters have evolved convergently in multiple species. [14]