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Arthropods ( / ˈɑːrθrəpɒd / ARTH-rə-pod) [20] are invertebrates in the phylum Arthropoda. They possess an exoskeleton with a cuticle made of chitin, often mineralised with calcium carbonate, a body with differentiated ( metameric) segments, and paired jointed appendages. In order to keep growing, they must go through stages of moulting ...
The phosphorus cycle is the biogeochemical cycle that involves the movement of phosphorus through the lithosphere, hydrosphere, and biosphere.Unlike many other biogeochemical cycles, the atmosphere does not play a significant role in the movement of phosphorus, because phosphorus and phosphorus-based materials do not enter the gaseous phase readily, as the main source of gaseous phosphorus ...
Rhubarb is the fleshy, edible stalks ( petioles) of species and hybrids (culinary rhubarb) of Rheum in the family Polygonaceae, which are cooked and used for food. [2] The plant is a herbaceous perennial that grows from short, thick rhizomes. Historically, different plants have been called "rhubarb" in English.
Pinus merkusii is a medium-sized to large tree, reaching 25–45 metres (82–148 feet) tall and with a trunk diameter of up to 1 m (3 ft 3 in). The bark is orange-red, thick and deeply fissured at the base of the trunk, and thin and flaky in the upper crown. The leaves ('needles') are in pairs, very slender, 15–20 centimetres (6–8 inches ...
Canellales. Canellales is the botanical name for an order of flowering plants, one of the four orders of the magnoliids. It is recognized by the most recent classification of flowering plants, the APG IV system. [4] It is defined to contain two families: Canellaceae and Winteraceae, which comprise 136 species of fragrant trees and shrubs.
Synedrella is a genus of flowering plants in the family Asteraceae. [2] [3] [4] It contains only one known species, Synedrella nodiflora, native to South America, Central America, Mexico, the West Indies, and Florida. It is naturalized in much of Asia, northern Australia, some Pacific Islands, and tropical Africa.
Etlingera elatior (also known as torch ginger, among other names) is a species of herbaceous perennial plant in the family Zingiberaceae; it is native to Indonesia, Thailand, Malaysia and New Guinea. [2] The showy pink flowers are used in decorative arrangements, and are an important ingredient across Southeast Asia .
The Piperaceae ( / ˌpɪpəˈreɪʃiː / ), also known as the pepper family, are a large family of flowering plants. The group contains roughly 3,600 currently accepted species in 5 genera. The vast majority of species can be found within the two main genera: Piper (2,171 species) and Peperomia (over 1,000 species). [4]