E-Flora BC: Electronic Atlas of the Flora of British Columbia

Sarcodon underwoodii Banker
no common name
Bankeraceae

Species account author: Ian Gibson.
Extracted from Matchmaker: Mushrooms of the Pacific Northwest.

Introduction to the Macrofungi
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Distribution of Sarcodon underwoodii
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Species Information

Summary:
Features include 1) a light brown, convex cap that has small to large scales, 2) pallid homogeneous flesh, 3) fine, close teeth with pale tips, 4) bitter taste, and 5) microscopic characters. Sarcodon underwoodii is found at least in WA (Hall). There are R. Bandoni collections from BC deposited in 1966 at the University of British Columbia.
Cap:
up to 6cm tall, cap 7-10cm across, convex with slight central depression in some specimens, margin uneven, wavy, incurved; "camel" to "grayish brown" or "brown" on the disc, becoming "cinnamon-brown" to "cocoa brown" toward the margin, not changing color when bruised, margin colored as cap or "grayish orange"; distinctly scaly, scales large (up to 1cm long), concolorous but the areas between the scales "grayish orange", (Hall), light brown (Harrison), up to 8.4cm across, slightly convex or nearly flat, "somewhat depressed in center when mature, rather wavy and irregular, the margin often indented", margin very thin, free for about 0.1-0.2cm and incurved; vinaceous brown, about fawn; "dry, covered all over with rather small low scales or the margin merely floccose or nearly smooth, apparently less scaly when young", (Coker), up to 11cm across, convex to flat or depressed; 'yellowish white', 'light orange' to 'brown' ("pale ochraceous buff" to "snuff brown"); fibrillose, pubescent, becoming appressed-squamulose, later with raised tips at the disc, (Baird)
Flesh:
up to 2cm thick, fleshy-fibrous, homogeneous; pallid; in stem fleshy-fibrous, pallid, (Hall), about 0.4-0.5cm thick near stem, homogenous, firm, elastic, white, in stem firm, tough and elastic, and brownish, (Coker), up to 2cm thick, "not duplex, zonate", white to gray, (Baird)
Teeth:
0.3-1cm long, 3-4 per square mm, irregularly decurrent, fine, fleshy, round in cross-section, subulate [awl-shaped], becoming tubercles near margin in some; "grayish orange" to "grayish brown" or "brown", tips pallid, no bruising reaction, (Hall), 0.1-0.3
Stem:
up to 4cm x 3.5cm, central to slightly off-center, tapered to a point; "grayish orange" to "light brown" or "yellowish brown", no color change recorded when bruised, (Hall), base of stem olive-black (Harrison), 3.5-7cm long, 0.8-1cm near middle, sometimes swollen and fistulose [hollow], "deep snuff brown, always quite crooked, usually strongly bent at the ground, expanding into the cap above, tapering downward and continuing into the ground to a sharply pointed root which is abruptly pure white", (Coker), up to 9cm long and 2cm wide, attenuate below rooting base; concolorous with cap, "white tomentum covering a surface that is concolorous to rarely blackened colored base" (the comment is made that the greenish black color of S. scabrosus stem base is often hard to find in S. underwoodii); subsquamulose [somewhat finely scaly], fibrillose to bald, scabrous from abortive spines, (Baird), no green on base (Trudell)
Chemical Reactions:
tissue of flesh olive green in KOH (Baird)
Odor:
slightly smoky or farinaceous in cap, farinaceous in stem, (Hall), slightly fragrant (Baird)
Taste:
bitter in cap, farinaceous or bitter in stem, (Hall), extremely bitter (Harrison), bitter (Coker), very bitter (Baird)
Microscopic:
spores 5.0-6.1 x 4.5-5.1 microns, elliptic to nearly round, tuberculate, inamyloid; basidia 4-spored, 30-40 x 5-8 microns, clavate; cystidia absent; hyphae up to 10 microns wide, thin-walled, septate, lacking clamp connections, (Hall), 6.2-7.2 x 5.5-6.5 microns, nearly round, strongly tuberculate, fawn colored; basidia 4-spored, (Coker), spores (4.5)5.0-7.0(7.5) x 4.5-6.5(7.0) microns, (Baird(1))
Spore Deposit:
brown (Hall)

Habitat / Range

on ground in duff under Abies (fir) and Tsuga (hemlock), (Hall), under hardwoods (Harrison), in moist deciduous woods (Coker), associated with hardwoods (Baird)

Synonyms and Alternate Names

Hydnum underwoodii (Banker) D. Hall

Taxonomic and Nomenclatural Links

Additional Range and Status Information Links

Additional Photo Sources

Related Databases

Species References

Hall(2) (as Hydnum, colors from Kornerup(2)), Harrison(4), Coker(1), Baird(1) (colors in single quotation marks from Kornerup(2) 1978 edition, colors in double quotation marks from Ridgway(1)), Trudell(4)

References for the fungi

General References