Taxonomy
Collection 1000079 (herbarium acc. no. CAG 880106/17) is the holotype of Hebeloma erumpens.Description
- arrow_drop_downarrow_drop_upCollecting details
Collection 1000079 was collected by M. Contu, L. Contu, S. Scoles, det: M. Conttu on 6th January 1988 in Pixina Nuxedda, Maracalagonis,Cagliari, Sardinia, ITALY (approx. 39.28°N, 9.23°E, altitude approximately 10 m above sea level - Google maps). The ectomycorrhizal family Cistaceae (genus Cistus) was present.
The surrounding habitat was described as Mediterranean maquis with a substrate of acidic, bare soil, corresponding to the IUCN habitat We map from the collector's description of the habitat to the International Union for Conservation of Nature (IUCN)'s definition using a standardised set of rules. Please see this page for a full list of IUCN habitats. 3.8: Shrubland – Mediterranean-type shrubby vegetation.
According to the GPS data the collection was in the Tyrrhenian-Adriatic sclerophyllous and mixed forests WWF ecoregion The World Wildlife Fund (WWF) have divided the world into 867 terrestrial ecoregions. The ecoregion here is estimated by mapping from the GPS coordinates of the collection using data made available by Dinerstein et al (2017). Use this webtool to explore the ecoregions visually or see a full list of current ecoregions on Wikipedia. (biome: Mediterranean Forests, Woodlands & Scrub) and Koppen climate code Csa (Temperate, dry summer, hot summer).
- arrow_drop_downarrow_drop_upMacroscopic description
Cortina present: no.
Pileus: 20–40 mm diameter; shape convex; margin characters smooth; viscosity tacky when moist; spotting no; hygrophanous no; colour variation unicolor; with colour at centre ochraceous; and colour at margin not recorded; with remains of universal veil yes.
Lamellae: attachment emarginate; maximum depth not recorded; number of complete lamellae not recorded; tears not recorded; white fimbriate edge weak.
Stipe: 20–35 x 4–8 {median} x 4–8 {basal} mm; stipe Q 4.4–5.0; base cylindrical; floccosity fibrillose; rooting no; mycelial chords no.
Context: texture firm; stipe interior hollow, stuffed; stipe flesh discolouring from base yes; slenderness measure 4.4; smell raphanoid weakly; taste bitter.
Spore deposit colour: analysis not yet complete.
Exsiccata: normal.
- arrow_drop_downarrow_drop_upMicroscopic description
Spores: shape amygdaloid; colour through microscope brown, very pale; guttulate yes; papillate no; Spore Code: O1; P0; D2; D3.
Basidia: 24.3–36.7 x 6.9–9.9 μm; ave. Q = 3.7; basidia spore nature not recorded.
Cheilocystidia: main shape cylindrical, clavate-lageniform or clavate-ventricose; special features median thickening, septa; Cheilocystidia Ratios: A/M = 1.57; A/B = 1.03; B/M = 1.54.
Pleurocystidia: no.
Ixocutis: epicutis thickness (measured from exsiccata) 160 μm; ixocutis maximum hyphae width 5 μm; ixocutis hyphae encrustation no; shape of trama elements beneath subcutis ovate.
Caulocystidia: analysis not yet complete.
Spore (min) 5%-95% (max) mean median S.D. Length (µm) (9.0) 9.1–11.0 (11.7) 10.0 9.9 0.600 Width (µm) (5.6) 5.7–6.7 (6.9) 6.2 6.2 0.300 Q (1.39) 1.49–1.73 (1.93) 1.61 1.60 0.09 Cheilocystidium (µm) (min) 5%-95% (max) mean median S.D. Length 34–47 (54) 40 40 5.16 Apex Width (3.2) 4.8–7.6 (8.1) 6.2 6.2 0.880 Median Width (2.8) 3.1–5.5 (8.7) 4.3 4.3 0.81 Basal Width (4.4) 5.3–8.0 (8.3) 6.4 6.4 0.88
- arrow_drop_downarrow_drop_upTemperature calculation
Max temp Min temp Precipitation Annualised average (1988) 21.92 °C 13.28 °C 28.25 mm Collection month (1/1988) 15.01 °C 8.20 °C 77.82 mm Max month (1988) 31.79 °C 21.82 °C 77.82 mm
- arrow_drop_downarrow_drop_upAnalyse this collection
Compare this collection to its species
This section compares data for this collection against its true species and also against the most likely species as determined by our identifier. More often than not these will be the same species, but where this is not the case, the data may be used to help explain why the identifier got it wrong.Image gallery
Detailed statistics
| Spore measurements | My value | Species mean value | Position |
|---|---|---|---|
| Count | 64.0 | 65.23 | 8th/13 |
| Average length | 10.0 | 10.05 | 6th–7th/13 |
| Average width | 6.2 | 5.92 | 2nd–3rd/13 |
| Standard deviation of length | 0.6 | 0.60 | 6th/12 |
| Standard deviation of width | 0.3 | 0.28 | 6th/12 |
| Median length | 9.9 | 10.08 | 7th/12 |
| Median width | 6.2 | 5.93 | 2nd–3rd/12 |
| Minimum length | 9.0 | 8.77 | 4th/12 |
| Minimum width | 5.6 | 5.22 | 2nd/12 |
| Low length | 9.1 | 9.14 | 7th/12 |
| Low width | 5.7 | 5.46 | 3rd/12 |
| High length | 11.0 | 11.10 | 7th/12 |
| High width | 6.7 | 6.37 | 2nd/12 |
| Max length | 11.7 | 11.67 | 5th/12 |
| Max width | 6.9 | 6.62 | 3rd–4th/12 |
| Spore feature | Value | Commonalities |
|---|---|---|
| Ornamentation | O1 | 69% of collections |
| Perispore loosening | P0 | 92% of collections |
| Dextrinoidity | D2; D3 | 61% of collections; 92% of collections |