25/Aug/24, 4:58 PM
Nedrema LKA, Pärnumaa, Estonia
Wooded meadow, oak-aspen-birch trees, in grass, calcareous soil
58°32'18.6"N 24°04'21.1"E
🔆 Evening sun, bright spot
Original Instagram postButyriboletus fechtneri
pale bolete
- Scientific identification
- Butyriboletus fechtneri (Velen.) D.Arora & J.L.Frank
- Family
- Boletaceae
- Class
- Agaricomycetes
- Genus
- Butyriboletus
Names across languages
- English: pale bolete
- German: Silber-Röhrling
- Estonian: Fechtneri kivipuravik (CR) II
- Russian: Маслоборовик Фехтнера
The scientific profile
From the latest record: 2024-08-25.
Hymenium
Pores, pale yellow to lemon-yellow when young, turning olive-yellow as mature, pores bruise blue when handled
Cap
Initially convex, becoming broadly convex to nearly flat with age, surface is smooth and slightly sticky when moist, typically silvery-grey to pale greyish-brown
Hymenium Attachment
Free to slightly adnate
Stipe
Cylindrical to clavate, pale yellow, often with a reddish flush near the base, surface is typically smooth, sometimes exhibit slight reticulation near the apex
Spore print
Spore print olive-brown
Ecology
Mycorrhizal, with oak and beech, grows in calcareous soils, in mixed forests, appearing from late spring to autumn
Edibility
Edible, considered a choice mushroom
Fruit body
Fruit body up to 12 cm tall
Dimensions
Cap 6–15 cm in diameter
Odour
Odour: Mild, pleasant with a slight nutty aroma
Microscopy
Spores ellipsoid to fusiform, 12–16 x 5–6.5 µm, smooth, inamyloid, basidia four-spored
Overview
Distinctive bolete known for its smooth, silvery-grey cap, yellow pores which bruise blue
2014). Mycologia 106(3): 466.
Field encounters
Source hashtags
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