Palicourea

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Palicourea
Palicourea.JPG
Foreground: leaves and inflorescence of unidentified Palicourea species
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Gentianales
Family: Rubiaceae
Subfamily: Rubioideae
Tribe: Palicoureeae
Genus: Palicourea
Aubl. (1775)
Species [1]

694, see text

Synonyms [1]
  • ColladoniaSpreng. (1824)
  • MexocarpusBorhidi, E.Martínez & Ramos (2015)
  • NonateliaAubl. (1775)
  • OribasiaSchreb. (1789)
  • RhodostomaScheidw. (1842)
  • StephaniumSchreb. (1789)

Palicourea is a genus of flowering plants in the family Rubiaceae. It contains 694 species, [1] which range from shrubs to small trees, and is distributed throughout the New World tropics. [2]

Contents

These plants are closely related to Psychotria and in particular its subgenus Heteropsychotria. Indeed, it seems to be nothing else but a distinctively-flowered offshoot of Heteropsychotria; arguably, it would thus need to be merged into Psychotria to make that genus monophyletic. On the other hand, Psychotria is extremely diverse already, so it is probably more practical to move the more distantly related species out of this genus and merge Heteropsychotria with Palicourea. [2] By a Hungarian botanist Attila Borhidi, some of the Psychotria species have been transferred into this genus. [3]

The genus is not well studied. Most species are distylous, although a few on isolated Caribbean islands seem to have lost the trait. Flowers are in racemes, having no scent, and are normally pollinated by hummingbirds. Blue-black berries follow, and are thought to be distributed by birds. [2]

Almost one-tenth of the Palicourea species are considered threatened by the IUCN, even though the conservation status has only been reviewed for those species that occur in Ecuador. [4]

Selected species

Related Research Articles

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Palicourea fuchsioides is a species of plant in the family Rubiaceae. It is endemic to Ecuador.

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<i>Palicourea tomentosa</i> Species of plant

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<span class="mw-page-title-main">Charlotte M. Taylor</span> U.S. botanist

Dr. Charlotte M. Taylor is a botanist and professor specialising in taxonomy and conservation. She works with the large plant family Rubiaceae, particularly found in the American tropics and in the tribes Palicoureeae and Psychotrieae. This plant family is an economically important group, as it includes plant species used to make coffee and quinine. Taylor also conducts work related to the floristics of Rubiaceae and morphological radiations of the group. Taylor has collected plant samples from many countries across the globe, including Chile, Colombia, Costa Rica, Panama, and the United States of America, and has named many new species known to science from these regions. As of 2023, Taylor has authored 500 land plant species' names, the third-highest number of such names authored by any female scientist.

<i>Palicourea elata</i> Species of flowering plant

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<i>Palicourea bracteocardia</i> Species of plant

Palicourea bracteocardia is a species of shrub from the genus Palicourea.

References

  1. 1 2 3 Palicourea Aubl. Plants of the World Online . Retrieved 1 November 2023.
  2. 1 2 3 Taylor (2008)
  3. Govaerts, R., Ruhsam, M., Andersson, L., Robbrecht, E., Bridson, D., Davis, A., Schanzer, I., Sonké, B. (2019). World Checklist of Rubiaceae. Facilitated by the Royal Botanic Gardens, Kew. Published on the Internet; https://wcsp.science.kew.org/ Retrieved 25 June 2019
  4. IUCN (2008)

Further reading