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Stachybotrys kapiti Whitton, McKenzie & K.D. Hyde 2001

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Threat status: Data deficient
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Stachybotrys kapiti Whitton, McKenzie & K.D. Hyde, New Zealand J. Bot. 39 493 (2001)
Stachybotrys kapiti Whitton, McKenzie & K.D. Hyde 2001

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Indigenous, non-endemic
Present
New Zealand
Political Region

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Whitton, McKenzie & K.D. Hyde
Whitton, McKenzie & K.D. Hyde
2001
493
ICN
Stachybotrys kapiti Whitton, McKenzie & K.D. Hyde 2001
NZ holotype
species
Stachybotrys kapiti
New Zealand, Wellington, north of Nikau Reserve, on decaying leaves of Freycinetia banksii, S. R. Whitton, 2 Jun 1996, HKU(M) 13098.

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Stachybotrys kapiti Whitton, McKenzie & K.D. Hyde 2001

ADDITIONAL SPECIMENS EXAMINED: HONG KONG, Hong Kong Island, Pokfulam, in forest off Hatton Road above The University of Hong Kong, on decaying leaves of Pandanus furcatus, S.R. Whitton, 25 Aug 1997, HKU(M) 13096. NEW ZEALAND, Auckland, Hunua Ranges, Waharau Regional Park, on decaying leaves of Freycinetia banksii, S.R. Whitton, 23 May 1996, HKU(M) 13097.
Colonies effuse, hairy, spreading over the substrate surface, visibly white, with conidiophores terminated by black, spherical spore masses. Mycelium immersed. Stroma none. Conidiophores 58-272 µm long, 3.5-13.5 µm wide towards the base, macronematous, mononematous, singular or in groups, branched, erect, straight or curved, smooth, typically hyaline towards the base, sometimes becoming pale grey towards the apex, cylindrical or very slightly tapered towards the apex, slightly enlarged at the apex, 1-8-septate, walls greatly thickened especially towards the base, walls narrowing in thickness towards the apex, septa thickened but not as greatly as the walls, enlarged apex gives rise to a whorl of phialides. Conidiogenous cells enteroblastic, monophialidic, discrete, terminal, determinate, ellipsoidal to clavate, smooth, pale grey, aseptate, apex rounded, forming a whorl at the apex of the conidiophores, 4-14 per whorl, 10-15 x 4-6 µm. Conidia 7.5-10.5 x 7-10.5 µm, aggregated in slimy, black, glistening heads at the apices of the conidiogenous cells, initially ellipsoidal, becoming broadly ellipsoidal or broadly clavate to almost spherical at maturity, apical end broadly rounded, basal end typically with a single papilla, black, aseptate, verrucose.
DISTRIBUTION: Hong Kong, New Zealand.
HABITAT: Known to inhabit decaying leaves of Freycinetia banksii and Pandanus furcatus.
Coloniae effusae, albae. Mycelium immersum. Conidiophora macronematosa, mononematosa, solitaria vel fasciculata, ramosa, erecta, recta vel curvata, laevia, hyalina vel pallide grisea, 58-272 µm longa, basi 3.5-13.5 µm, cylindrica, 1-8-septata. Cellulae conidiogenae monophialidicae, discretae, 4-14 in verticillo dispositae, ellipsoidae vel clavatae, 10-15 x 4-6 µm, pallide griseae. Conidia in massis globosis aggregata, ellipsoida, late ellipsoida, late clavata vel globosa, nigra, verrucosa, eseptata, 7.5-10.5 x 7-10.5 µm; apice rotundata, basi papillate.

ETYMOLOGY: kapiti, refers to the locally used name, Kapiti Coast, for the west coast north of Wellington. Kapiti is a Maori name, and is used here as a noun in apposition.

NOTES: Of the six species of Stachybotrys that produce more or less spherical conidia, S. crassa (16-18 µm diam.), S. nilagirica (15-28 µm diam.), and S. sphaerospora (11-12 µm diam.) produce conidia of a larger diameter than that found in the above specimens (Marchal 1895; Subramanian 1957; Jong & Davis 1976; Morgan-Jones & Sinclair 1980). The conidia of S. microspora (5-6 µm diam.) and S. ruwenzoriensis (6-8 µm diam.) are both somewhat smaller than the current specimens (Jong & Davis 1976; Matsushima 1985). The conidia of S. globosa are spherical, roughened, black, and 4.5-8 µm diam. Even though S. globosa is the closest in respect to conidial size to the current specimens, the conidia of S. globosa are totally spherical, the conidiophores are often covered in dark granules near the apex, and the whorl of phialides contains only 2-5 individual conidiogenous cells, which are smaller (5.5-9 x 3.5-5.5 µm) than the phialides in the present specimens (Misra & Srivastava 1982).

HOLOTYPUS (hic designatus): Wellington, north of Paraparaumu, Nikau Reserve, on decaying leaves of Freycinetia banksii, S.R. Whitton, 2 Jun 1996, HKU(M) 13098.

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Stachybotrys kapiti Whitton, McKenzie & K.D. Hyde 2001
Stachybotrys kapiti Whitton, McKenzie & K.D. Hyde (2001)
Stachybotrys kapiti Whitton, McKenzie & K.D. Hyde 2001
Stachybotrys kapiti Whitton, McKenzie & K.D. Hyde
Stachybotrys kapiti Whitton, McKenzie & K.D. Hyde 2001
Stachybotrys kapiti Whitton, McKenzie & K.D. Hyde (2001)
Stachybotrys kapiti Whitton, McKenzie & K.D. Hyde 2001
Stachybotrys kapiti Whitton, McKenzie & K.D. Hyde
Stachybotrys kapiti Whitton, McKenzie & K.D. Hyde 2001
Stachybotrys kapiti Whitton, McKenzie & K.D. Hyde (2001)
Stachybotrys kapiti Whitton, McKenzie & K.D. Hyde 2001
Stachybotrys kapiti Whitton, McKenzie & K.D. Hyde

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typification
New Zealand, Wellington, north of Nikau Reserve, on decaying leaves of Freycinetia banksii, S. R. Whitton, 2 Jun 1996, HKU(M) 13098.

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6408002b-cea1-11d5-bebb-00508bca8de8
scientific name
Names_Fungi
1 November 2001
17 February 2004
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