Mimosa

Source: Wikipedia, the free encyclopedia.
For other uses, see Mimosa (disambiguation).
Not to be confused with Acacia dealbata and Albizia julibrissin, also known as "mimosa".

Mimosa
Mimosa flower heads
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Subfamily: Caesalpinioideae
Clade: Mimosoid clade
Genus: Mimosa
L. (1753)
Type species
Mimosa pudica
Species

About 600 species

Synonyms[1]
  • Acanthopteron Britton (1928)
  • Eburnax Raf. (1836)
  • Haitimimosa Britton (1928)
  • Leptoglottis DC. ex Raspail (1827)
  • Lomoplis Raf. (1838)
  • Mimosopsis Britton & Rose (1928)
  • Morongia Britton (1894)
  • Neomimosa Britton & Rose (1928)
  • Pteromimosa Britton (1928)
  • Schranckiastrum Hassl. (1919)
  • Schrankia Willd. (1806), nom. cons.
  • Sensitiva Raf. (1838)

Mimosa is a genus of about 600[2] species of herbs and shrubs, in the mimosoid clade of the legume family Fabaceae. Species are native to the Americas, from North Dakota to northern Argentina, and to eastern Africa (Tanzania, Mozambique, and Madagascar) as well as the Indian subcontinent and Indochina.[1] The generic name is derived from the Greek word μῖμος (mimos), an "actor" or "mime", and the feminine suffix -osa, "resembling", suggesting its 'sensitive leaves' which seem to 'mimic conscious life'.[3][4]

Two species in the genus are especially notable. One is

dimethyltryptamine
found in its root bark.

Taxonomy

The taxonomy of the genus Mimosa has gone through several periods of

splitting and lumping, ultimately accumulating over 3,000 names, many of which have either been synonymized under other species or transferred to other genera. In part due to these changing circumscriptions, the name "Mimosa" has also been applied to several other related species with similar pinnate or bipinnate leaves, but are now classified in other genera. The most common examples of this are Albizia julibrissin (Persian silk tree) and Acacia dealbata
(wattle).

Description

Mimosa pudica leaves closing when touched

Members of this genus are among the few plants capable of

telegraph plant, Aldrovanda, some species of Drosera and the Venus flytrap. The leaves of the Mimosa pudica close quickly when touched. Some mimosas raise their leaves in the day and lower them at night, and experiments done by Jean-Jacques d'Ortous de Mairan on mimosas in 1729 provided the first evidence of biological clocks.[5]

Mimosa can be distinguished from the large related genera,

heptanoic acid
.

Species

Main article: List of Mimosa species
Mimosa pudica
Mimosa diplotricha in Kerala, India
Mimosa scabrella in London
Mimosa pigra in Bogor, West Java, Indonesia

There are about 590 species including:[6]

References

  1. ^ a b "Mimosa L." Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 6 September 2023.
  2. ^ "Caesalpinoideae". Legume Data Portal. Retrieved 9 September 2023.
  3. ISBN 978-0-521-86645-3
    .
  4. ISBN 9780203491881
    .
  5. ^ Neuroscience; Bear, Connors, Paradiso
  6. ^ "Mimosa L." Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 31 August 2022.

External links

Wikimedia Commons has media related to Mimosa.
Wikispecies has information related to Mimosa.
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