Name: Lactarius dhakurianus K. Das, Basso & J.R. Sharma
Version: 2
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First person to use this name on MO: Danny Newman
Editors: Excited delirium [EXD]▼

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Rank: Species

Status: Accepted

Name: Lactarius dhakurianus

ICN Identifier: missing

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Author: K. Das, Basso & J.R. Sharma



Domain: Eukarya

Kingdom: Fungi

Phylum: Basidiomycota

Class: Agaricomycetes

Order: Russulales

Family: Russulaceae

Genus: Lactarius

Brief Description: [See More | Edit]

Pileus 60–90 mm diam., convex, planoconvex with slightly depressed center at maturity; pileipellis slightly slimy, unpolished, smooth, irregularly granulose all over, light to medium orange yellow, brilliant orange yellow or ochraceous; margin incurved to decurved, regular, sometimes split Lamellae broadly adnate to adnexed, distant (ca. 3 per cm), concolorous with the pileus, often with brownish spots at maturity; lamellulae of similar length. Stipe 50–65 x 16–23 mm, cylindric or tapering towards base, upper part concolorous with pileus, paler towards base, often with irregular brown spots towards base. Context solid, yellowish white to pale yellow, slowly becoming slightly brownish. Latex transparent, watery, unchanging. Odor aromatic. Taste acrid. Spore print yellow white.

Basidiospores 5.7–8 x 4.2–6.3 µm, subglobose to ellipsoid (n = 50, Q = 1.28); ornamentation less than 0.5 µm, amyloid, composed of numerous irregular warts, not or rarely connected by fine lines; plage inamyloid, distinct. Basidia 28–50 x 6–9 µm, subcylindric to clavate, 2 to 4-spored; sterigmata up to 5 µm long. Pleuromacrocystidia absent. Pleuropseudocystidia 4–7 µm broad, irregularly cylindric with rounded apex, content dense. Paracystidia 35–50 x 6–8 µm, cylindric to clavate. Lamellae edge fertile. Cheilomacrocystidia absent. Cheilopseudocystidia up to 6 µm broad, cylindrical. Paracystidia subclavate to clavate. Subhymenial layer up to 28 µm thick, cellular. Hymenophoral trama cellular with sphaerocytes and few hyphae; cell up to 40 µm diam. Pileipellis an ixocutis, composed mostly of repent parallel and interwoven hyaline hyphae submerged under a very thin gluten layer; hyphae up to 3.5 µm broad. Stipitipellis a cutis, composed of parallel hyphae; hyphae up to 5.5 µm broad.Ecology — Lactarius dhakurianus grows in association with species of Rhododendron and Quercus in moist deciduous temperate (2500–3000 m) forests.

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