Name: Pleurotus djamor var. roseus Corner
Most Confident Observations:
Copyright © 2014 Alex (releena)
Copyright © 2014 Alex (releena)
Copyright © 2010 patty (patty)
Copyright © 2010 Danny Newman (myxomop)
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First person to use this name on MO: Danny Newman
Editors: Jason Hollinger, walt sturgeon


Rank: Variety

Status: Accepted

Name: Pleurotus djamor var. roseus

ICN Identifier: missing

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Author: Corner

Citation: Beih. Nova Hedwigia 69: 124 (1981)

Deprecated Synonyms: Pleurotus ostreatoroseus Singer, Pleurotus salmoneostramineus Lj.N. Vassiljeva

Notes on Taxonomy: [Edit]

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Lechner, B.E.; Wright, J.E.; Albertó, E. 2004. The genus Pleurotus in Argentina. 96(4):845-858

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Remarks (internal):
The basidiocarps of this variety are pinkish or salmon-pink when young, discoloring to pale pink, whitish to yellowish with age. Distinction of var. djamor from var. roseus probably has been confused often.

Description type:
Non-original description

Pleurotus djamor var. roseus Corner
Beih. Nova Hedw. 69, p. 123. 1981.
Pileus 16-50 × 10-25 mm, spathulate to flabelliform (figs. 6A, 11F), pinkish when fresh, whitish or yellowish upon aging, clear brown when dry. Surface smooth, glabrous. Context 1-6 mm thick, less than 1 mm when dry. Lamellae decurrent, close to crowded, whitish, smooth, margin entire. Stipe 3-7 mm long x 3-6 mm diam, whitish when fresh, cream when dry, eccentric, almost lateral. Surface irregular. Spore print white.
Spores (6.7-)8.3-8.5(-9.9) x 2.60-3.64 µm Q = 2.8, cylindrical-oblong, hyaline, smooth, neither dextrinoid nor amyloid, thin-walled (fig. 6B). Basidia club-shaped 26-28 × 5-6 µm, 4-spored. Numerous basidioles or pleurocystidia. Cheilocystidia 23-32 × 6-8 µm, lageniform to mucronate (fig. 6C). Hymenophoral trama completely irregular, dimitic, with clamped hyphae 3.6-5 µm diam and skeletals 3-6 µm diam, unbranched (fig. 6D). Subhymenium 16-20 µm thick, well developed, formed by irregularly shaped cells (fig. 6D). Pileipellis with repent hyphae densely arranged toward the surface. Context dimitic, with skeletal, sharp-ended, 670-800 µm long hyphae, 2.6-5.8 µm diam, and thin-walled hyphae, generative, 3.6-6.2 µm diam (fig. 6E). Context of stem formed by generative hyphae 2-4 µm diam and skeletals 2.6-4 µm (fig. 6F).
Geographic distribution. – Northeastern Argentina.

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any way to anchor this image on the right or left?
By: Danny Newman (myxomop)
2013-07-08 09:38:40 JST (+0900)
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