Malpighiales

Malpighiales
source
Name	Malpighiales
Subdivision ranks	Families
Subdivision	Achariaceae, Balanopaceae, Bonnetiaceae, Calophyllaceae, Caryocaraceae, Chrysobalanaceae, Clusiaceae, Ctenolophonaceae, Dichapetalaceae, Elatinaceae, Euphorbiaceae, Euphroniaceae, Goupiaceae, Humiriaceae, Hypericaceae, Irvingiaceae, Ixonanthaceae, Lacistemataceae, Linaceae, Lophopyxidaceae, Malesherbiaceae, Medusagynaceae, Ochnaceae, Pandaceae, Passifloraceae, Phyllanthaceae, Picrodendraceae, Podostemaceae, Putranjivaceae, Rafflesiaceae, Rhizophoraceae, Salicaceae, Trigoniaceae, Violaceae

Malpighiales. The order Malpighiales is a diverse group of flowering plants that includes families such as Euphorbiaceae, Salicaceae, and Violaceae. This order is part of the larger rosid clade, which also includes orders like Fabales and Rosales. The Malpighiales order is named after the Italian botanist Marcello Malpighi, who is also known for his work on the anatomy of plants and his discovery of capillaries in animals, as recognized by the Royal Society and the University of Bologna.

Introduction

The Malpighiales order is one of the largest and most diverse groups of angiosperms, with over 700 genera and 16,000 species, including trees like Salix alba and Populus trichocarpa, as well as shrubs like Euphorbia pulcherrima and Hypericum perforatum. The order includes a wide range of plant families, such as Achariaceae, Balanopaceae, and Bonnetiaceae, which are found in various parts of the world, including the Amazon rainforest, the Congo Basin, and the Himalayan Mountains. Many species in the Malpighiales order have economic importance, such as Hevea brasiliensis, which is the primary source of natural rubber, and Linum usitatissimum, which is used to produce linseed oil and flaxseed. The study of Malpighiales has been supported by institutions like the New York Botanical Garden and the Royal Botanic Gardens, Kew.

Taxonomy

The taxonomy of the Malpighiales order is complex and has undergone significant changes in recent years, with contributions from botanists like Carolus Linnaeus and George Bentham. The order is part of the larger rosid clade, which also includes orders like Fabales and Rosales. The Malpighiales order is divided into several families, including Euphorbiaceae, Salicaceae, and Violaceae, which are characterized by distinct morphological and molecular features, such as the presence of stipules in Salicaceae and the absence of stamens in Rafflesiaceae. The classification of Malpighiales has been influenced by the work of taxonomists like Arthur Cronquist and Armen Takhtajan, who have worked at institutions like the Harvard University Herbaria and the Komarov Botanical Institute.

Phylogeny

Phylogenetic studies have shed light on the evolutionary relationships within the Malpighiales order, with research conducted by scientists like Peter Stevens and Mark Chase at institutions like the University of Cambridge and the Royal Botanic Gardens, Kew. The order is thought to have originated around 100 million years ago, during the Cretaceous period, and has since undergone significant diversification, with the emergence of distinct lineages like the Euphorbiaceae and Salicaceae. The phylogeny of Malpighiales has been reconstructed using molecular and morphological data, including DNA sequences from genes like rbcL and matK, and fossil records from deposits like the London Clay and the Green River Formation. The Malpighiales order is also closely related to other rosid orders, such as Fabales and Rosales, which are found in ecosystems like the Mediterranean forests and the temperate grasslands.

Distribution_and_Ecology

The Malpighiales order is widely distributed across the globe, with species found in almost every habitat, from the tropical rainforests of the Amazon Basin and the Congo Basin to the arctic tundras of the Arctic Circle. Many species in the order are trees or shrubs, such as Salix alba and Euphorbia pulcherrima, which are found in ecosystems like the riparian zones and the montane forests. The order also includes herbaceous species, such as Linum usitatissimum and Hypericum perforatum, which are found in grasslands and wetlands. The Malpighiales order plays an important role in many ecosystems, providing food and shelter for a wide range of animals, from insects like bees and butterflies to mammals like deer and elephants, in national parks like Yellowstone National Park and Kakadu National Park.

Characteristics

The Malpighiales order is characterized by a range of distinct morphological and molecular features, including the presence of stipules in Salicaceae and the absence of stamens in Rafflesiaceae. Many species in the order have simple leaves with entire margins, such as Euphorbia pulcherrima and Hypericum perforatum, while others have compound leaves with lobed margins, such as Salix alba and Populus trichocarpa. The order also includes species with showy flowers, such as Euphorbia pulcherrima and Passiflora edulis, which are found in gardens like the New York Botanical Garden and the Royal Botanic Gardens, Kew. The Malpighiales order is also characterized by a range of chemical compounds, including alkaloids and terpenoids, which are found in species like Euphorbia pulcherrima and Hypericum perforatum, and are used in medicine and industry by companies like Pfizer and Bayer. Category:Plant orders