''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. 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 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'' Rupr.—Amur maackia ** var. ''amurensis'' Rupr. ** var. ''buergeri'' (Maxim.) C.K.Schneid. * '' Maackia australis'' (Dunn) Takeda * '' Maackia chekiangensis'' S.S. Chien * '' Maackia floribunda'' (Miq.) Takeda * '' Maackia hupehensis'' TakedaSome sources give ''Maackia chinensis'' Takeda priority over ''Maackia hupehensis'' Takeda. * '' Maackia hwashanensis'' W.T. Wang ex C.W. Chang *'' Maackia taiwanensis'' Hoshi & Ohashi. * '' Maackia tashiroi'' (Yatabe) Makino * '' Maackia tenuifolia'' (Hemsl.) Hand.-Mazz.

References

Sophoreae Fabaceae genera Flora of Asia {{Sophoreae-stub