Published September 9, 2025 | Version v1
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TABLE 2 in A True global hotspot of biodiversity: discovery of Geastrum crystallinum sp. nov. and Geastrum complanatum sp. nov. (Basidiomycota, Geastraceae) for Brazilian Cerrado

  • 1. Centro de Biociências, Departamento de Botânica e Zoologia, Programa de Pós-graduação em Sistemática e Evolução, Universidade Federal do Rio Grande do Norte, Campus Universitário, Natal, 59072 - 970 Rio Grande do Norte (Brazil)
  • 2. Centro de Biociências, Programa de Pós-graduação em Biologia de Fungos, Universidade Federal de Pernambuco, 50670 - 901 Campus Universitário, Recife, Pernambuco (Brazil)
  • 3. Centro de Biociências, Departamento de Botânica e Zoologia, Universidade Federal do Rio Grande do Norte, Campus Universitário, Natal, 59072 - 970 Rio Grande do Norte (Brazil)
  • 4. Centro das Ciências Biológicas e da Saúde, Universidade Federal do Oeste da Bahia, Campus Reitor Edgard Santos, Barreiras, 47810 - 047 Bahia (Brazil)

Description

TABLE 2. — Morphological comparison of Geastrum Pers. complanatum and closely related species based on descriptions by Zamora et al. (2015). In bold, characteristics of the new species.

Geastrum biplicatum Berk. & M. A. CurtisGeastrum glaucescens Speg.Geastrum meridionale J. C. ZamoraGeastrum papinuttii J. C. ZamoraGeastrum parvistriatum J. C. Zamora & Calonge Geastrum plicatum Berk. Geastrum pectinatum Pers.Geastrum pectinatum Pers.Geastrum striatum de Candolle Geastrum tenuipes Berk.Geastrum tenuipes Berk.Geastrum complanatum sp. nov.
Exoperidium
34 mm diam., with 7 non-hygroscopic rays18-45 mm diam., with 6-8 non-hygroscopic rays45-125 mm diam., with 5-12 non-hygroscopic rays12-24 mm diam., with 6-11 non-hygroscopic rays(13-)19-47 diam., with 5-12 non-hygroscopic rays19-47., with non-hygroscopic 38-62 mm diam., with 6-9 non- hygroscopicrays38-62 mm 20-135 mm diam., with diam., with 6-9 non- (4–) 6-10 hygroscopic (–11) non-rays hygroscopic rays20-135 mm diam., with (4–) 6-10 (–11) non- hygroscopic rays21-85 mm diam., with (4–) 6-10 (–12) non-hygro- scopic rays 25-82 mm diam., with 6-11 raiosnon- hygro- scopic rays17-28 mm diam., with 7-11 non- hygroscopic rays
Endoperidium
11 mm diam., dark brown, crystalline matter surface of COD bipyramidal crystals with 15.0 μm diam.5-16 mm diam., dark brown to black, crystalline matter surface of COD bipyramidal crystals with 6.0-15.0 μm diam.12-33 mm diam., cream to brownish grey, rarely dark brown, crystalline matter surface of COD bipyramidal crystals with 6.0-13.0 μm diam.3.5-6.5 mm diam., mainly dark brown to black, crystalline matter surface of COD bipyramidal crystals with 6.0-12.0 μm diam.5-16 mm diam., mainly dark brown to blackish, crystalline matter surface of COD bipyramidal crystals with 5.5-12.5 μm diam.mm., mainly brown blackish, crystalline COD bipyramidal with12.5 μm. 10-18 mm diam., light to dark brown, crystalline matter surface of COD bipyramidal crystals with 7.0- 20.0 (–32.0) μm diam.10-18 mm (4,5–) 10-25 diam., light (–36) mm to dark diam., dark brown, brown, crystalline crystalline matter matter surface surface of COD of COD bipyramidal bipyramidal crystals crystals with 7.0- with 5.0- 20.0 15.0 μm (–32.0) μm diam. diam.(4,5–) 10-25 (–36) mm diam., dark brown, crystalline matter surface of COD bipyramidal crystals with 5.0- 15.0 μm diam.5.5-26 mm diam., brown to black, crystalline matter surface of COD bipyramidal crystals with 5.0- 15.0 μm diam. 8-17 mm diam., grayish to dark brownish gray, crystalline matter surface of COD bipyramidal crystals with (20–) 25-55 μm diam.8-17 mm diam., grayish to dark brownish gray, crystalline matter surface of COD bipyramidal crystals with (20–) 25-55 μm diam.5-13 mm diam., grayish brown, crystalline matter surface of COD pupallike crystals with (4.1–) 5.5-18.0 μm diam.
Peristome
Sulcate, slightly delimited, with 19 foldsSulcate, distinctly or not distinctly delimited, with 11-25 foldsSulcate, distinctly or not distinctly delimited, with (17–) 22-52 (–60) folds.Sulcate, distinctly or not distinctly delimited, with 12-20 foldsSulcate, distinctly or not distinctly delimited, with 7-23 folds, distinctly or distinctly delimited, 7-23 Sulcate, distinctly or not distinctly delimited, with 16-30 foldsSulcate, distinctly or not distinctly delimited, with 11-35 foldsSulcate, sometimes well delimited, with 19-36 folds Sulcate, mainly well delimited, with 14-27 foldsSulcate, mainly well delimited, with 14-27 foldsSlightly sulcate, sometimes well delimited, with 16-21 folds
Pedicel
Brownish, 2.0 mm in heightBrown to dark brown, 0.5-2.5 mm in heightCream to dark brownish gray, (2.5–) 3.0-9.0 (–9.5) mm in heightBrown to grayish brown, 0.5- 1.3 mm in heightBrown to dark brown, rarely pale in color, 0.5-2.5 (–3.0) mm in heightto dark, rarely in color,2.5 (–3.0) in height Light or dark coloured, often very slender, 3.5-6.0 mm in heightLight or dark Mostly light coloured, coloured, often very slender to slender, more or 3.5-6.0 mm less stout, in height (1.5–) 3.5- 13 (–15 mm White to brownish, (1.0–) 2.0- 9.0 mm in height in heightMostly light coloured, slender to more or less stout, (1.5–) 3.5- 13 (–15 mm in heightLight or dark Mostly light coloured, coloured, often very slender to slender, more or 3.5-6.0 mm less stout, in height (1.5–) 3.5- 13 (–15 mm White to brownish, (1.0–) 2.0- 9.0 mm in height in heightLight or dark coloured, very slender, 3.0- 7.0 mm in heightYellowish white, 2,0- 3.0 mm in height
Apophysis
Not observedNot observedNot observedNot observedNot observedobserved Not observedNot Not observed observedNot observedWell developed, solid, in ring shape with acute border Not observed, Not observedDiscrete, sulcate, color lighter than the endoperidium
Capillitium
Hyphae thick up to 10.5 μm diam.Hyphae thick, 6.0-9.0 µm diam.Hyphae thick, (5.5–) 6.0- 9.0 (–9.5) µm diam.Hyphae thick, 4.5-6.0 µm diam.Hyphae thick, (5.0–) 5.5-8.0 (–8.5) µm diam.thick,–) 5.5-8.0) µm. Hyphae thick, 6.0-8.0 µm diam.Hyphae Not thick, observed (8.0–)9.0-13.0 (–15.0) µm diam.Not observedHyphae thick, 6.0-9.0 µm diam.Hyphae thick, 3.0-6.0 µm diam.
Basidiospores
Globose, ornamentation baculate-pilate, (4.5–) 5.0- 6.0 μm diam.Globose, ornamentation verrucose to irregularly pilate 5.0-7.0 (–7.5) µm diam.Globose, ornamentation baculate-pilate (5.5–) 6.0- 7.5 (–8.5) µm diam.Globose, ornamentation verrucose to irregularly pilate 4.0-5.5 µm diam.Globose, orna - mentation Globoseverrucose tionto irregu- larly pilate (4,5 (4.5–) 5.0-7.0 5.0- (–7.5) µm diam diam.- Globose, ornamenta- tion baculate-pilate, (4,5–) 5.0-6.5 μm diam.Globose, ornamentation baculate-pilate, 5.5-7.5 (–8.0) μm diam.Globose, ornamentation verrucose to irregularly pilate 5.0- 6.0 μm diam.Globose, ornamentation baculate-pilate, 5.5-7.5 (–8.5) μm diam.Globose, ornamentation baculate-pilate, 4.8-8.5 μm diam.

Notes

Published as part of Barbosa, Kairo Dourado, Oliveira, Renan De Lima, de Andrade de Lima, Alexandro, Marinho, Paulo, Baseia, Iuri Goulart & Santos Ferreira da Cruz, Rhudson Henrique, 2025, A True global hotspot of biodiversity: discovery of Geastrum crystallinum sp. nov. and Geastrum complanatum sp. nov. (Basidiomycota, Geastraceae) for Brazilian Cerrado, pp. 40-41 in Cryptogamie, Mycologie 46 (3) on page 40, DOI: 10.5252/cryptogamie-mycologie2025v46a3, http://zenodo.org/record/17091248

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References

  • ZAMORA J. C., CALONGE F. D. & MARTIN M. P. 2015. - Integrative taxonomy reveals an unexpected diversity in Geastrum section Geastrum (Geastrales, Basidiomycota). Persoonia 34: 130-165. https://doi.org/10.3767/003158515X687443