''Maackia'' is a genus of

flowering plant Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (). The term angiosperm is derived from the Ancient Greek, Greek words (; 'container, vessel') and (; 'seed'), meaning that the seeds are enclosed with ...

s in the

legume Legumes are plants in the pea family Fabaceae (or Leguminosae), or the fruit or seeds of such plants. When used as a dry grain for human consumption, the seeds are also called pulses. Legumes are grown agriculturally, primarily for human consum ...

family,

Fabaceae Fabaceae () or Leguminosae,International Code of Nomen ...

. There are 9 species, all native to eastern

Asia Asia ( , ) is the largest continent in the world by both land area and population. It covers an area of more than 44 million square kilometres, about 30% of Earth's total land area and 8% of Earth's total surface area. The continent, which ...

, from China and Taiwan through Korea, Japan, and the Russian Far East. Six species are

endemic Endemism is the state of a species being found only in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also foun ...

China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...

.''Maackia''.
Flora of China. The generic name honors the botanist

Richard Maack Richard Otto Maack (; 4 September 1825 – 25 November 1886) was a Russian naturalist, geographer, and anthropologist. He is most known for his exploration of the Russian Far East and Siberia, particularly the Ussuri and Amur River valleys. ...

. They are

deciduous In the fields of horticulture and botany, the term deciduous () means "falling off at maturity" and "tending to fall off", in reference to trees and shrubs that seasonally shed Leaf, leaves, usually in the autumn; to the shedding of petals, aft ...

tree In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, e.g., including only woody plants with secondary growth, only ...

s and

shrub A shrub or bush is a small to medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees by their multiple ...

s. The alternately arranged leaves are divided into leaflets. The

inflorescence In botany, an inflorescence is a group or cluster of flowers arranged on a plant's Plant stem, stem that is composed of a main branch or a system of branches. An inflorescence is categorized on the basis of the arrangement of flowers on a mai ...

is a simple or compound

raceme A raceme () or racemoid is an unbranched, indeterminate growth, indeterminate type of inflorescence bearing flowers having short floral stalks along the shoots that bear the flowers. The oldest flowers grow close to the base and new flowers are ...

of many flowers. Each flower has an inflated

calyx CALYX, Inc. is a non-profit publisher of art and literature by women founded in 1976 based in Corvallis, Oregon. CALYX publishes both '' CALYX, A Journal of Art and Literature by Women'' twice a year and CALYX Books, which publishes one to three ...

with five teeth. The white or greenish corolla has a reflexed standard petal and keel petals that are fused at the bases. The fruit is a wide or narrow, flattened legume pod containing one to five flat seeds.

Species

''Maackia'' comprises the following species: * ''

Maackia amurensis ''Maackia amurensis'', commonly known as the Amur maackia, is a species of tree in the family Fabaceae that can grow 15 metres (49 ft) tall. The species epithet and common names are from the Amur River region, where the tree originated; it o ...

'' Rupr.—Amur maackia ** var. ''amurensis'' Rupr. ** var. ''buergeri'' (Maxim.) C.K.Schneid. * ''

Maackia australis ''Maackia'' is a genus of flowering plants in the legume family, Fabaceae. There are 9 species, all native to eastern Asia, from China and Taiwan through Korea, Japan, and the Russian Far East. Six species are endemic to China. ...

'' (Dunn) Takeda * ''

Maackia chekiangensis ''Maackia'' is a genus of flowering plants in the legume family, Fabaceae. There are 9 species, all native to eastern Asia, from China and Taiwan through Korea, Japan, and the Russian Far East. Six species are endemic to China. ...

'' S.S. Chien * ''

Maackia floribunda ''Maackia'' is a genus of flowering plants in the legume family, Fabaceae. There are 9 species, all native to eastern Asia, from China and Taiwan through Korea, Japan, and the Russian Far East. Six species are endemic to China. ...

'' (Miq.) Takeda * ''

Maackia hupehensis ''Maackia'' is a genus of flowering plants in the legume family, Fabaceae. There are 9 species, all native to eastern Asia, from China and Taiwan through Korea, Japan, and the Russian Far East. Six species are endemic to China. ...

'' TakedaSome sources give ''Maackia chinensis'' Takeda priority over ''Maackia hupehensis'' Takeda. * ''

Maackia hwashanensis ''Maackia'' is a genus of flowering plants in the legume family, Fabaceae. There are 9 species, all native to eastern Asia, from China and Taiwan through Korea, Japan, and the Russian Far East. Six species are endemic to China. ...

'' W.T. Wang ex C.W. Chang *''

Maackia taiwanensis ''Maackia taiwanensis'' is a species of legume in the family Fabaceae. It is a small tree up to tall found only in Yangmingshan area in northern Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia. The main g ...

'' Hoshi & Ohashi. * ''

Maackia tashiroi ''Maackia'' is a genus of flowering plants in the legume family, Fabaceae. There are 9 species, all native to eastern Asia, from China and Taiwan through Korea, Japan, and the Russian Far East. Six species are endemic to China. ...

'' (Yatabe) Makino * ''

Maackia tenuifolia ''Maackia'' is a genus of flowering plants in the legume family, Fabaceae. There are 9 species, all native to eastern Asia, from China and Taiwan through Korea, Japan, and the Russian Far East. Six species are endemism, endemic to China.

'' (Hemsl.) Hand.-Mazz.

References

Sophoreae Fabaceae genera Flora of Asia {{Sophoreae-stub