Mikronegeria fuchsiae P.E. Crane & R.S. Peterson 2007
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Mikronegeria fuchsiae P.E. Crane & R.S. Peterson, New Zealand J. Bot. 45 709 (2007)
Mikronegeria fuchsiae P.E. Crane & R.S. Peterson 2007
Biostatus
Nomenclature
P.E. Crane & R.S. Peterson
P.E. Crane & R.S. Peterson
2007
709
ICN
Mikronegeria fuchsiae P.E. Crane & R.S. Peterson 2007
NZ holotype (PDD 88674)
species
Mikronegeria fuchsiae
Classification
Synonyms
Associations
has host
has host
Descriptions
On living leaves of Fuchsia excorticata. New Zealand (Kirk 268).
Epiphyllum. Maculis parvulis, ochraceo-fuscis, angulatis vel confluentibus ; soris gregariis, erumpentibus, demum epidermide rupta cinctis. Conidiis ovalibus (30-40 x 20-22 µ) verrucosis, aurantio-fuscis.
Host: Fuchsia excorticata (Forst. f.) L. f. On leaves Herb. Nos. 190, 620. II. Hawyard's, Upper Hutt (Wellington), T. Kirk ! 3 Sept., 1881. (Type collection.) Weraroa (Wellington), G. H. C. 6 Oct., 1919. (On seedlings.) York Bay (Wellington), E. H. Atkinson ! 24 Oct., 1920. Palmerston North (Wellington), R. Waters! 27 Jan., 1921. Seashore, Seatoun (Wellington), E. H. Atkinson! G. H. C. 24 March, 1922. Oamaru (Otago), R. B. Tennent! 27 May, 1921. Claudelands, Hamilton, G. H. C. 24 May, 1922.
0, I. Unknown.
II. Uredosori amphigenous, seated on small angular yellow spots, orbicular, 0.5-1 mm. diam., orange-yellow, pulverulent, pulvinate, surrounded by the ruptured epidermis. Spores elliptical, obovate, or subglobose, 20-31 X 14-18 mium; epispore hyaline, closely, coarsely and unequally echinulate, spines sparsely distributed towards base of spore, 1.5 mmm. thick, cell-contents granular, orange; germ-pores indistinct.
III. Unknown.
II. Uredosori amphigenous, seated on small angular yellow spots, orbicular, 0.5-1 mm. diam., orange-yellow, pulverulent, pulvinate, surrounded by the ruptured epidermis. Spores elliptical, obovate, or subglobose, 20-31 X 14-18 mium; epispore hyaline, closely, coarsely and unequally echinulate, spines sparsely distributed towards base of spore, 1.5 mmm. thick, cell-contents granular, orange; germ-pores indistinct.
III. Unknown.
The host is endemic, and is abundant throughout. (Cheeseman, 1906, p. 186.)
This rust is common in certain parts of New Zealand, and is conspicuous owing to the bright orange colour of the uredosori; in certain specimens the entire leaf-surface may be covered with the sori.
The uredo stage alone is known; the uredospores do not closely resemble other species of the genus, differing particularly in being echinulate and not covered with deciduous tubercules.
This rust is common in certain parts of New Zealand, and is conspicuous owing to the bright orange colour of the uredosori; in certain specimens the entire leaf-surface may be covered with the sori.
The uredo stage alone is known; the uredospores do not closely resemble other species of the genus, differing particularly in being echinulate and not covered with deciduous tubercules.
Type: Rust and Smut Fungi; Description: Spermagonia scattered, minute, pear-shaped, immersed, up to 0.5 mm in diameter; on the upper surfaces of phylloclades; associated with aecia, on stems and phylloclades. Aecia scattered, circular to elongate, orange-yellow, up to 1.5 mm in diameter; on the lower surfaces of phylloclades; on bright golden orange discolourations, up to 10 mm across, on stems and phylloclades. Aeciospores in chains, polygonal to ellipsoid, 24–46 × 17–30 m, covered with reticulately arranged tubercles.
Distribution: Waikato, Taupo, Nelson, Buller, Westland.; 1st Record: Shaw (1977).
Significance: The rust causes little damage to the host and is of no importance. It appears to be the only rust recorded on the Phyllocladaceae.; Host(s): Phyllocladus alpinus, P. toatoa, P. trichomanoides.
Type: Rust and Smut Fungi; Description: Uredinia small, circular, waxy, orange-yellow, powdery, up to 1 mm in diameter, surrounded by ruptured epidermis; on the lower surfaces of leaves. Urediniospores elliptical to obovate, 30–40 × 22–28 m, coarsely echinulate, hyaline. This species may be distinguished from the rust of cultivated fuchsias (Pucciniastrum pustulatum) by the larger, bright orange uredinia and larger and conspicuously echinulate urediniospores.
Distribution: Northland, Auckland, Waikato, Bay of Plenty, Taranaki, Taupo, Wanganui, Wellington, Wairarapa, Nelson, Buller, Westland, Marlborough Sounds, North Canterbury, Mid Canterbury, South Canterbury, Otago Lakes, Dunedin, Southland, Stewart Island.; 1st Record: Cunningham (1924a: as Coleosporium fuchsiae).
Significance: None.; Host(s): Fuchsia excorticata, F. magellanica, F. perscandens.
Taxonomic concepts
Caeoma peltatum C.G. Shaw III & C.G. Shaw 1977 [1976]
Caeoma peltatum C.G. Shaw III & C.G. Shaw 1977 [1976]
Mikronegeria fuchsiae P.E. Crane & R.S. Peterson 2007
Caeoma peltatum C.G. Shaw III & C.G. Shaw (1977) [1976]
Caeoma peltatum C.G. Shaw III & C.G. Shaw (1977) [1976]
Caeoma peltatum C.G. Shaw III & C.G. Shaw (1977) [1976]
Caeoma peltatum C.G. Shaw III & C.G. Shaw (1977) [1976]
Caeoma peltatum C.G. Shaw III & C.G. Shaw (1977) [1976]
Caeoma peltatum C.G. Shaw III & C.G. Shaw (1977) [1976]
Coleosporium fuchsiae Cooke (1886)
Mikronegeria fuchsiae P.E. Crane & R.S. Peterson 2007
Mikronegeria fuchsiae P.E. Crane & R.S. Peterson 2007
Mikronegeria fuchsiae P.E. Crane & R.S. Peterson (2007)
Mikronegeria fuchsiae P.E. Crane & R.S. Peterson 2007
Mikronegeria fuchsiae P.E. Crane & R.S. Peterson (2007)
Uredo fuchsiae (Cooke) Henn. (1903)
Uredo fuchsiae (Cooke) Henn. (1903)
Uredo fuchsiae (Cooke) Henn. (1903)
Global name resources
Collections
Notes
taxonomic status
Has anamorph taxon Uredo fuchsiae
typification
holotypus: On leaves of Fuchsia excorticata (J.R.Forst. & G.Forst.) L., Kakaho Rd, Pureora Forest, approx. 15 km N of Tihoi, New Zealand, 38°33.773′S, 175°43.916′E, P. E. Crane, 18 Feb 2006, PDD 88674
Metadata
0e85cd50-e9d1-4334-9381-ede7b3d61dc1
scientific name
Names_Fungi
7 June 2006
1 February 2008