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Published August 27, 2024 | Version v1
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TABLE 2. — A in Virescentia asiatica sp. nov. (Batrachospermales, Rhodophyta), a new freshwater red alga from East Asia

Authors/Creators

  • 1. Faculty of Biology, Universitas Gadjah Mada, Yogyakarta 55281 (Indonesia)
  • 2. Department of Life Science & Center for Ecology and Environment, Tunghai University, Taichung 40704 (Taiwan)
  • 3. Zoology and Botany Department, São Paulo State University, Rua Cristóvão Colombo, 2265, São José do Rio Preto, SP 15054 - 000 (Brazil)

Description

TABLE 2. — A list showing the morphological comparison between Virescentia asiatica sp. nov. and other known species of Virescentia (Sirodot) Necchi, D.C.Agostinho & M. L.Vis.

CharacterVirescentia asiaticaVirescentia crispataVirescentia guangxiensisVirescentia gulbenkianaVirescentia helminthosaVirescentia viride-americanaVirescentia viride-brasiliensisVirescentia vogesiaca
Thallus branch typeCurveStraightStraightStraight StraightStraightStraightStraightStraight
WhorlShapeContiguous, obconic or pear-shapedContiguous, obconic, or pear-shapedContiguous or separated, barrel-shaped, or sphericalContiguous or separated, barrel-shaped, or spherical Contiguous or separated, barrel-shaped, spherical or pear-shapedContiguous or separated, barrel-shaped, spherical or pear-shapedContiguous or separated, barrel-shaped, spherical or pear-shapedContiguous or separated, barrel-shaped, spherical, pear-shaped or obconicContiguous or separated, barrel-shaped, obconic, pear-shaped or spherical
Diameter (μm) Primary fascicle cell no.220-1060 7-14150-350 6-13250-350 5-7430-810 8-13 300-800 8-15300-800 8-15280-940 8-19280-1100 7-18340-700 7-14
Fascicle shapeStraightCurvedStraightStraight StraightStraightStraightStraightStraight
Carpogonial branches shapeStraightSlightly curvedStraightStraight Slightly curvedSlightly curvedStraightStraightStraight
CarpogoniumLength (carpogonium basal cell + trichogyne)65-8054-75Not observed20-39 40-7940-79(30-)40-7740-11020-45
Composed cell number (composed cell no. in twisted)3-43-4Not observed3-12 3-113-111-71-7(4-)8-20
ShapeDisc or barrel-shapedDisc- or barrel-shapedNot observedDisc-shaped Disc-shapedDisc-shapedDisc-shapedDisc-shapedDisc-shaped
CarposporophyteNo. per whorl Diameter Height Shape1-2(-4) 140-800 100-750 Hemispherical1-2 140-300 100-250 SphericalNot observed Not observed Not observed Not observed1-3 120-300 60-150 Cylindrical 1-2 150-420 100-320 Hemi-spherical1-2 150-420 100-320 Hemi-spherical1-2 (130-)140-390 70-200(-240) Spherical1-2 200-550 100-300 Spherical1-2 140-330 95-175 Spherical
Gonimoblast filamentCell layer no. Shape3-6 Cylindrical3-5 CylindricalNot observed Not observed2-5 Cylindrical 3-7 Cylindrical3-7 Cylindrical3-5 Cylindrical3-6 Cylindrical or barrel-shaped4-7 Cylindrical or ellipsoidal cells
CarposporangiumLength (μm) Diameter (μm) Shape34-40 18-20 Obovoid14-30 8-10 Clavate or obovoidNot observed Not observed Not observed10-18 6.5-10 Obovoid or pear-shaped 14-20.5 8.5-12.5 Obovoid or pear-shaped14-20.5 8.5-12.5 Obovoid or pear-shaped15-24 8.5-12 Obovoid or pear-shaped19-35 10-24 Obovoid, pear-shaped or ellipsoidal13-19 8.5-13 Obovoid
TrichogyneShapeStalked, cylindrical, clavate or ellipsoidalStalked, cylindricalNot observedStalked, clavate or cylindrical,Stalked, cylindrical, sometimes bifurcated or with knobs,Stalked, cylindrical, sometimes bifurcated or with knobsStalked, clavate or cylindricalStalked, clavate or sup-cylindricalStalked, clavate or ellipsoidal
SpermatangiaDiameter (μm) Shape5-8 Spherical or obovoid6-8 Spherical or obovoidNot observed Not observed4-6 Spherical 5-7 Spherical5-7 Spherical4-8 Spherical4-9 Spherical or obovoid5-8 Spherical
Growth placementPrimary or Secondary fasciclePrimary or Secondary fascicleNot observedPrimary fascicle Primary or secondary fasciclePrimary or secondary fasciclePrimary or Secondary fasciclePrimary or secondary fasciclePrimary fascicle or secondary fascicle
Special expansion cellsAbsenceAbsencePresenceAbsence AbsenceAbsenceAbsenceAbsenceAbsence
ReferencesThis studyNecchi et al. (2018)Fang et al. (2021)Necchi et al. (2018) Necchi et al. (2018)Necchi et al. (2018)Necchi et al. (2018); Krueger-Hadfield et al. (2024)Necchi et al. (2018)Necchi et al. (2018)

Notes

Published as part of Aristya, Ganies Riza, Fontana, Silvia, Pok, Wai-Lun, Necchi, Orlando & Liu, Shao-Lun, 2024, Virescentia asiatica sp. nov. (Batrachospermales, Rhodophyta), a new freshwater red alga from East Asia, pp. 84 in Cryptogamie, Algologie 45 (7) on page 84, DOI: 10.5252/cryptogamie-algologie2024v45a7, http://zenodo.org/record/13646701

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Additional details

Identifiers

URL
http://table.plazi.org/id/DF626638FFB14D05FF33FD9CFEE34060

Is cited by
Taxonomic treatment: 10.5281/zenodo.13382991 (DOI)
Taxonomic treatment: http://treatment.plazi.org/id/03B487A6FFBF4D05FC61FC91FF48468F (URL)
Is part of
Journal article: 10.5252/cryptogamie-algologie2024v45a7 (DOI)
Journal article: urn:lsid:plazi.org:pub:FF8DFFDEFFB84D0CFFB6FD47FFB94164 (LSID)
Journal article: http://publication.plazi.org/id/FF8DFFDEFFB84D0CFFB6FD47FFB94164 (URL)
Journal article: http://zenodo.org/record/13646701 (URL)

References

  • NECCHI O. JR., AGOSTINHO D. C. & VIS M. L. 2018. - Revision of Batrachospermum section Virescentia (Batrachospermales, Rhodophyta) with the establishment of the new genus, Virescentia stat. nov. Cryptogamie, Algologie 39 (3): 313 - 338. https: // doi. org / 10.7872 / crya / v 39. iss 3.2018.313
  • FANG K., NAN F., FENG J., LU J., LIU Q., LIU X. & XIE S. 2021. - Virescentia guangxiensis (Batrachospermales, Rhodophyta): a new freshwater red algal species from South China. Journal of Oceanology and Limnology 39 (4): 1538 - 1546. https: // doi. org / 10.1007 / s 00343 - 020 - 0225 - 0