''Luma'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

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 myrtle

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Myrtaceae, described as a genus in 1853. It is

native Native may refer to: People * '' Jus sanguinis'', nationality by blood * '' Jus soli'', nationality by location of birth * Indigenous peoples, peoples with a set of specific rights based on their historical ties to a particular territory ** Nat ...

to the

Valdivian temperate rain forests The Valdivian temperate forests (NT0404) is an terrestrial ecoregion, ecoregion on the west coast of southern South America, in Chile and Argentina. It is part of the Neotropical realm. The forests are named after the city of Valdivia, Chile, Val ...

Chile Chile, officially the Republic of Chile, is a country in western South America. It is the southernmost country in the world and the closest to Antarctica, stretching along a narrow strip of land between the Andes, Andes Mountains and the Paci ...

and

Argentina Argentina, officially the Argentine Republic, is a country in the southern half of South America. It covers an area of , making it the List of South American countries by area, second-largest country in South America after Brazil, the fourt ...

.Kew World Checklist of Selected Plant Families
/ref> They are

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 or small

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 with

evergreen In botany, an evergreen is a plant which has Leaf, foliage that remains green and functional throughout the year. This contrasts with deciduous plants, which lose their foliage completely during the winter or dry season. Consisting of many diffe ...

foliage and smooth red or orange

bark Bark may refer to: Common meanings * Bark (botany), an outer layer of a woody plant such as a tree or stick * Bark (sound), a vocalization of some animals (which is commonly the dog) Arts and entertainment * ''Bark'' (Jefferson Airplane album), ...

, typically reaching tall and up to in trunk diameter. The

leaves A leaf (: leaves) is a principal appendage of the stem of a vascular plant, usually borne laterally above ground and specialized for photosynthesis. Leaves are collectively called foliage, as in "autumn foliage", while the leaves, stem, ...

are opposite, oval, 1–5 cm long and 0.5–3 cm broad, entire, glossy dark green, with a spicy scent if crushed. The

flower Flowers, also known as blooms and blossoms, are the reproductive structures of flowering plants ( angiosperms). Typically, they are structured in four circular levels, called whorls, around the end of a stalk. These whorls include: calyx, m ...

s are 2 cm diameter with four white

petal Petals are modified leaves that form an inner whorl surrounding the reproductive parts of flowers. They are often brightly coloured or unusually shaped to attract pollinators. All of the petals of a flower are collectively known as the ''corol ...

s and numerous

stamen The stamen (: stamina or stamens) is a part consisting of the male reproductive organs of a flower. Collectively, the stamens form the androecium., p. 10 Morphology and terminology A stamen typically consists of a stalk called the filament ...

s; the

fruit In botany, a fruit is the seed-bearing structure in flowering plants (angiosperms) that is formed from the ovary after flowering. Fruits are the means by which angiosperms disseminate their seeds. Edible fruits in particular have long propaga ...

is a small purple or black

berry A berry is a small, pulpy, and often edible fruit. Typically, berries are juicy, rounded, brightly colored, sweet, sour or tart, and do not have a stone or pit although many pips or seeds may be present. Common examples of berries in the cul ...

1 cm diameter. The genus name derives from the

Mapuche The Mapuche ( , ) also known as Araucanians are a group of Indigenous peoples of the Americas, Indigenous inhabitants of south-central Chile and southwestern Argentina, including parts of Patagonia. The collective term refers to a wide-ranging e ...

(Native American) name for a related species, ''

Amomyrtus luma ''Amomyrtus luma'', known as luma, is a species of tree in the family Myrtaceae. It is native to Chile and Argentina. It grows from Colchagua to Aysen (34 to 45°S). This species occurs in rainforests, near streams, and in other moist sites ...

''. Though it grows slowly, luma wood is very dense and durable.

Species

;formerly includedBurret, (Maximilian) Karl Ewald. 1941. Notizblatt des Botanischen Gartens und Museums zu Berlin-Dahlem 15: 518-542 A long list of over 100 other names have been proposed in the genus, nearly all of them now regarded as members of other genera: ''

Blepharocalyx ''Blepharocalyx'' is a genus of plant in family Myrtaceae first described as a genus in 1854. It is native to South America and the West Indies.McVaugh, R. 1989. Myrtaceae. In: Dicotyledoneae - Part 2. Flora of the Lesser Antilles, Leeward and Wi ...

Eugenia ''Eugenia'' is a genus of flowering plants in the myrtle family Myrtaceae. It has a worldwide, although highly uneven, distribution in tropical and subtropical regions. The bulk of the approximately 1,100 species occur in the New World tropics, ...

Myrceugenia ''Myrceugenia'' is a genus of evergreen woody flowering trees and shrubs belonging to the myrtle family, Myrtaceae, first described as a genus in 1855.

,'' etc.

References

Myrtaceae Myrtaceae genera Flora of Southern America Flora of the Valdivian temperate forests {{Fruit-tree-stub