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Ramariopsis ramarioides R.H. Petersen 1988

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Threat status: Data deficient
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Ramariopsis ramarioides R.H. Petersen 1988
Ramariopsis ramarioides R.H. Petersen 1988

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Endemic
Present
New Zealand
Political Region

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R.H. Petersen
R.H. Petersen
1988
138
ICN
Ramariopsis ramarioides R.H. Petersen 1988
NZ holotype
species
Ramariopsis ramarioides
North Island: Waipoua Forest Sanctuary, Hokianga Co., Northland, [New Zealand] vic. Forestry Headquarters, coll. RHP, no. 42437 (holotype PDD 46638, isotype TENN 42437);

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ramarioides

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Ramariopsis ramarioides R.H. Petersen 1988

 

Fruit bodies up to 5 cm high, up to 2 cm broad, arbuscular, branched in 2-4 ranks, erect, more or less strict. Stipe discrete, up to 20 x 4 mm, tapering downward, pallid pinkish tan ("pale pinkish cinnamon", "tilleul-buff") downward, in age "chamois" at base, upward concolourous with branches. Branches terete, dichotomous throughout, fleshy brown to red-brown ("cacao-brown", "mikado-brown", "cameo-brown", "walnut brown", "fawn-color", to "pecan-browd'); axils rounded; internodes diminishing gradually. Apices awl-shaped, short, up to 5 mm long, concolourous with branches or redder ("ochre-red"). Odour and taste negligible.

Macrochemical reaction: FCL on hymenium negative.

Tramal hyphae of branches hardly inflated, free, hyaline, clamped, parallel. Subhymenium extensive, of tortuous, short-celled, uninflated, clamped hyphae. Hymenium hardly thickening; basidia 30-40 x 7 gym, clavate, clamped, hyaline to homogeneous in content, free; sterigmata 4, prominent, curved-divergent.

Spores (Figs 130,142) 3.6-4.7 x 3.2-3.6 gm (E =1.11¬1.33; E'° =1.25; L-= 4.25 gm), ovate to ellipsoid, grossly spiny, inamyloid; wall thin; contents usually uniguttulate, the guttule yellowish and refringent; ornamentation of narrowly conical spines up to 1.3 gm long, densely scattered over whole spore surface; hilar appendix prominent, up to 1 gm long.

Receptacula ad 50 x 20 mm, ramosa, arbuscularia, robusta, stricta, stipite ad 20 x 4 mm, pallide incarnato-alutaceo; ramis et apicibus roseo-brunneis. Hyphis fibulatis; basidiis 30-40 pm longis. Sporis ovatis ad ellipsoideis, hyalinis, echinulatis, 3.6-4.7 x 3.2-3.6 Etm.

COMMENTARY: From macromorphological characters, I concluded that this was a Ramaria, and even the spores resemble those of small-spored members of subg. Echinoramaria except for a pure-white spore print. Microscopically, however, it is clear that it is a Ramariopsis, with characteristically small basidia, parallel tramal hyphae, and prominent hilar appendix. The spores are more grossly ornamented than those of any other Ramariopsis I have seen.

Corner (1970; p. 83) cites similar specimens by Warcup from New Zealand under Ramariopsis kunzei (Fr.) Corner, but fruit body colour is wrong for that taxon.

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Ramariopsis ramarioides R.H. Petersen 1988
Ramariopsis ramarioides R.H. Petersen 1988
Ramariopsis ramarioides R.H. Petersen 1988
Ramariopsis ramarioides R.H. Petersen (1988)
Ramariopsis ramarioides R.H. Petersen 1988
Ramariopsis ramarioides R.H. Petersen (1988)
Ramariopsis ramarioides R.H. Petersen 1988
Ramariopsis ramarioides R.H. Petersen (1988)

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Ramariopsis ramarioides R.H. Petersen 1988
[Not available]

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taxonomic status
Ramariopsis sensu stricto
typification
North Island: Waipoua Forest Sanctuary, Hokianga Co., Northland, [New Zealand] vic. Forestry Headquarters, coll. RHP, no. 42437 (holotype PDD 46638, isotype TENN 42437);

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1cb1a150-36b9-11d5-9548-00d0592d548c
scientific name
Names_Fungi
20 March 1996
15 December 2003
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