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Piriqueta

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Piriqueta
Flower of Piriqueta duarteana
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Malpighiales
Family: Passifloraceae
Subfamily: Turneroideae
Genus: Piriqueta
Aubl.
Type species
Piriqueta villosa
Aublet
Species

46 species, see text

Distribution of Piriqueta as of 2023. Natural (red) and introduced (blue)
Synonyms
  • Burcardia Schreb.
  • Burghartia Scop.

Piriqueta is a genus of flowering plants belonging to Turneroideae (Passifloraceae).[1]

Description

Flower of Piriqueta caroliniana
Flower of Piriqueta suborbicularis

Piriqueta is a genus of herbs or subshrub dicots.

Morphology

Most members of Piriqueta are perennial or suffrutic herbs, there are some shrubs and some annual species.[2]

All members of Piriqueta have the same floral organization: short calyx tubes that are attached to petal claws, coronas, and filaments.[2] The peduncle and pedicels are free. Seeds are reticulate in all species, two thirds of the species have puberulent seeds, others have glabrous seeds.[2] They are generally hairy, though some only have hair in the floral regions.

Over half of Piriqueta species have setiform glandular hairs and tuberculate fruits, some with axillary inflorescences.

Various members of Piriqueta, see list below, have a unique reproductive system called distyly, in which, two floral morphs are present which differ in their placement of anthers and style length.[3][4] More rarely, some species show tristyly in which three floral morphs are present.[5]

Karyotype

30% of Piriqueta are polyploids.[2] The basic chromosome number is x=7.[2]

Taxonomy

Original plate of Piriqueta villosa used by Aublet to describe the genus.

Piriqueta was originally described in 1775 by J. F. B. Fusée Aublet in Histoire des plantes de la Guiane Françoise, 1877.[6] In this book, he describes Piriqueta villosa. Aublet describes P. villosa as being deciduous, with ovate hairy leaflets, having five "scaly" petals with cup alternation, five filaments, ovate and bilocular anthers, five six-branched pistils with flat fleshy wide stigmas, and being covered in red stiff hairs.[6]

In 1777, Giovanni Antonio Scopoli would publish the genus under Burghartia and would place the genus in the tribe Sauvagesieae of Ochnaceae.[7]

In 1789, Johann Christian Daniel von Schreber would publish the genus under Burcardia.[8] The description is similar to that of Aublet's with the exception of the petals described as "heart" shaped.[8]

Scopoli's and Schreber's descriptions both refer to Piriqueta as a synonym, neither provided type species in their descriptions.

Distribution and habitat

Members of Piriqueta have native ranges throughout tropical and subtropical regions of North, Central, and South America.[1]

Various members of Piriqueta have been introduced to Java, Malaysia, and Thailand.[1]

Species

As of 2023, there are 46 accepted species of Piriqueta.[1]

Notes on the number of floral morphs[3][5]

1,2,3 denote the number of floral morphs (1 = homostylous, 2 = distylous, 3 = tristylous) ? Denotes uncertain annotations. Those unannotated are missing data.

Formerly placed in the genus

  • Afroqueta capensis (Harv.) Thulin & Razafim. as Piriqueta capensis (Harv.) Urb.
  • Adenoa cubensis (Britton & P.Wilson) Arbo as Piriqueta cubensis Britton & P.Wilson
  • Arboa antsingyae (Arbo) Thulin & Razafim as Piriqueta antsingyae Capuron
  • Arboa berneriana (Tul.) Thulin & Razafim as Piriqueta berneriana (Tul.) Urb.
  • Arboa integrifolia (Claverie) Thulin & Razafim as Piriqueta integrifolia (Claverie) Capuron and Piriqueta mandrarensis Humbert
  • Arboa madagascariensis (O.Hoffm.) Thulin & Razafim as Piriqueta madagascariensis Urb.
  • Erblichia odorata Seem as Piriqueta odorata (Seem.) Urb. and Piriqueta xylocarpa Sprague & L.Riley

References

  1. ^ a b c d "Piriqueta Aubl". Plants of the World Online. Kew Science. Retrieved 20 May 2021.
  2. ^ a b c d e Arbo, María Mercedes (1995). "Turneraceae: Parte I Piriqueta". Flora Neotropica. 67: 1–156. ISSN 0071-5794.
  3. ^ a b Shore, Joel S.; Arbo, Maria M.; Fernández, Aveliano (2006). "Breeding system variation, genetics and evolution in the Turneraceae". New Phytologist. 171 (3): 539–551. doi:10.1111/j.1469-8137.2006.01807.x. hdl:11336/41821. ISSN 0028-646X.
  4. ^ Ornduff, Robert; Perry, James D (1964). "Reproductive Biology of Piriqueta caroliniana (Turneraceae)". Rhodora. 66 (766): 100–109 – via BioStor.
  5. ^ a b Zelenski, Andréia; Louzada, Rafael (2019-10-03). "The genera Turnera and Piriqueta (Passifloraceae sensu lato) in the state of Pernambuco, Brazil". Rodriguésia. 70: e04152017. doi:10.1590/2175-7860201970054. ISSN 0370-6583.
  6. ^ a b Aublet, J.B.C. Fusée. Histoire des plantes de la Guiane Françoise (PDF) (in Latin). Vol. 1. pp. 298–299. doi:10.5962/bhl.title.674.
  7. ^ Gerle, Wolfgang; Scopoli, Giovanni Antonio (1777). Introductio ad historiam naturalem sistens genera lapidum, plantarum, et animalium (in Latin). Apud Wolfgangum Gerle. pp. 223–230.
  8. ^ a b Linné, Carl von (1789). Genera plantarum, eorumque natural characters, secundum numerum, figuram, situum et proportionem omnium fructificationis partium. Editio octave post Reichardianum secunda prioribus longe auctior atque emendatior (in Latin) (8 ed.). Francofurti ad Moenum: Suntu Varrentrapii et Wenneri. pp. 206–207.
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