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Pycnoporus cinnabarinus (Jacq. : Fr.) P. Karst. 1881

Cinnabar polypore

ParentsUnknownGenus is not in the current taxonomy
GenusPycnoporus
Speciescinnabarinus

About plant names...

The northern cinnabar polypore occurs in northern areas of America, Asia, and Europe. It is rare in many areas. Both its common and scientific names refer to its resemblence to the red-orange mineral cinnabar. It is a “white rot” fungus, whose mycelium breaks down dead wood.

Identification: The most obvious identifying feature of this fungus is its bright orange color. This is a polypore, a tough, leathery species that inhabits and breaks down fallen wood, especially cherry, beech, and birch. The fruiting bodies are roughly circular or kidney-shaped, ¾-5" (2-13 cm) across and up to ¾" (2 cm) thick. The bright orange color dulls with age. The upper surface has a softish texture reminiscent of suede. Undersides are also orange, with 2-4 round, angular, or sometimes slot-lie pores per millimeter. There is no stem. The spore print is white.

Edibility: Not edible.

Medical: Several studies have found that cinnabarinic acid produced by this fungus has antibacterial properties that may lead to future antibiotics.

Online References:

Pycnoporus cinnabarinus on Michael Kuo's MushroomExpert.com

Pycnoporus cinnabarinus on ultimate-mushroom.com

Pycnoporus cinnabarinus (cinnabar polypore)

10/2/2010 · Hackers Trail, Cliff Park, Delaware Water Gap National Recreation Area, Penn­syl­vania
≈ 12 × 8" (31 × 20 cm) ID is uncertain

Pycnoporus cinnabarinus (cinnabar polypore)

5/13/2013 · Nashua River Rail Trail, Groton Center, Groton, Mass­a­chu­setts
≈ 6 × 9" (16 × 23 cm)

Pycnoporus cinnabarinus (cinnabar polypore)

8/6/2021 · Tarbox Preserve, Topsham, Maine
≈ 4 × 3½" (11 × 9.5 cm)

Pycnoporus cinnabarinus (cinnabar polypore)

8/6/2021 · Tarbox Preserve, Topsham, Maine
≈ 3 × 3" (8.3 × 7.5 cm)

Pycnoporus cinnabarinus (cinnabar polypore)

5/13/2013 · Nashua River Rail Trail, Groton Center, Groton, Mass­a­chu­setts
≈ 4½ × 5" (12 × 13 cm)

Pycnoporus cinnabarinus (cinnabar polypore)

Probably on black birch. · 8/16/2014 · Tom and Susan’s, Pepperell, Mass­a­chu­setts
≈ 10 × 7" (25 × 16 cm)

Pycnoporus cinnabarinus (cinnabar polypore)

7/2/2005 · Pepperell, Mass­a­chu­setts ID is uncertain

Pycnoporus cinnabarinus (cinnabar polypore)

4/18/2021 · Tarbox Preserve, Topsham, Maine
≈ 2 × 1¾" (5.4 × 4.7 cm)

Pycnoporus cinnabarinus (cinnabar polypore)

4/18/2021 · Tarbox Preserve, Topsham, Maine
≈ 3 × 2½" (7.7 × 7 cm)

Polyporus cinnabarinus

Polyporus cinnabarinus Jacq. : Fr. 1821

Trametes cinnabarina (Jacq. : Fr.) Fr. 1874

Polystictus cinnabarinus (Jacq. : Fr.) Sacc. 1886

 

Pycnoporus cinnabarinus description by Thomas H. Kent, last updated 18 Aug 2021.

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Pycnoporus cinnabarinus (cinnabar polypore)

4/18/2021 · Tarbox Preserve, Topsham, Maine
≈ 1¾ × 1½" (4.4 × 3.9 cm)

Pycnoporus cinnabarinus (cinnabar polypore)

10/27/2004 · Pepperell, Mass­a­chu­setts ID is uncertain

Pycnoporus cinnabarinus (cinnabar polypore)

8/5/2010 · Nashua River Rail Trail, East Pepperell, Mass­a­chu­setts
≈ 8 × 9" (21 × 23 cm) ID is uncertain

Pycnoporus cinnabarinus (cinnabar polypore)

8/6/2021 · Tarbox Preserve, Topsham, Maine
≈ 4½ × 3½" (11 × 9.4 cm)

Pycnoporus cinnabarinus (cinnabar polypore)

10/2/2010 · Hackers Trail, Cliff Park, Delaware Water Gap National Recreation Area, Penn­syl­vania
≈ 8 × 7" (19 × 18 cm) ID is uncertain

Pycnoporus cinnabarinus (cinnabar polypore)

10/2/2010 · Hackers Trail, Cliff Park, Delaware Water Gap National Recreation Area, Penn­syl­vania
≈ 11 × 7" (27 × 18 cm) ID is uncertain

Pycnoporus cinnabarinus (cinnabar polypore)

Probably on black birch. · 8/16/2014 · Tom and Susan’s, Pepperell, Mass­a­chu­setts
≈ 6 × 9" (16 × 23 cm)

Pycnoporus cinnabarinus (cinnabar polypore)

8/5/2010 · Nashua River Rail Trail, East Pepperell, Mass­a­chu­setts
≈ 3½ × 4½" (8.7 × 11 cm) ID is uncertain

Pycnoporus cinnabarinus (cinnabar polypore)

Probably on black birch. · 8/16/2014 · Tom and Susan’s, Pepperell, Mass­a­chu­setts
≈ 10 × 7" (25 × 16 cm)

Pycnoporus cinnabarinus (cinnabar polypore)

Probably on black birch. · 8/16/2014 · Tom and Susan’s, Pepperell, Mass­a­chu­setts
≈ 5 × 8" (12 × 19 cm)

Pycnoporus cinnabarinus (cinnabar polypore)

Probably on black birch. · 8/16/2014 · Tom and Susan’s, Pepperell, Mass­a­chu­setts
≈ 6 × 4" (16 × 10 cm)

Pycnoporus cinnabarinus (cinnabar polypore)

8/25/2021 · Tarbox Preserve, Topsham, Maine
≈ 9 × 6" (22 × 15 cm)

Pycnoporus cinnabarinus (cinnabar polypore)

Probably on black birch. · 8/16/2014 · Tom and Susan’s, Pepperell, Mass­a­chu­setts
≈ 8 × 6" (20 × 14 cm)