Myoxanthus
Poepp. & Endl.
Nova Genera ac Species Plantarum 1: 50. 1836.
As mentioned by Michel Frey & N. Sanson when they described
Myoxanthus conceiçoensis, Myoxanthus
had a very agitating history. Soon after being established by Poeppig
& Endlicher, the species-type of the genus (Myoxanthus monophyllus
Poepp. & Endl.) has been transferred to Pleurothallis under
the name Pleurothallis monophylla (Hook.) Fawc. &
Rendle, first described (in l820), as Epidendrum monophyllum
Hook.
In 1982, in Selbyana, Carlyle A. Luer reconsidered the validity
of the genus and transferred to it many Pleurothallis species
including 8 occurring in Brazil. In 1986, in Icones Pleurothallidinarum
I, Systematics of the Pleurothallidinae, between another
non-Brazilian species, he transferred Pleurothallis aspasicensis
Rchb. f. under the name Myoxanthus aspasicensis (Rchb. f.)
Luer. Almost 10 years after, the species has been reestablished
by the same researcher and Pleurothallis aspasicensis Rchb.
f. considered as a valid name.
Occurrence of Myoxanthus Poepp. & Endl. Brazilian
species |
species |
nº
Pabst |
States |
conceiçoensis
M. Frey & N. Sanson |
|
ES |
exasperatus
(Lindl.) Luer |
1383 |
ES,
MG, PE, PR, RR, RJ, SC, SP |
lonchophyllus
(Barb. Rodr.) Luer |
1121 |
DF,
MG, PA, SP |
parvilabius
(C. Schweinf.) Luer |
|
AM |
pulvinatus
(Barb. Rodr.) Luer |
1385 |
ES,
MG, SP |
punctatus
(Barb. Rodr.) Luer |
1119 |
MG,
RJ |
ruschii
Fraga & L. Kollmann |
1120 |
ES |
seidelii
(Pabst) Luer |
|
ES |
trachychlamys
(Schltr.) Luer |
1381 |
AC |
cf
talpinaria (Rchb. f.) Luer |
|
RR |
|
|
|
|
I - Chaetocephala
lonchophylla BARB. RODR. e
II - C. punctata BARB. RODR.
Da "Mart. Fl. Bras.", vol. III, IV, t. 117, figs.: II e
I respectively |
Brazilian
Species history |
Myoxanthus
exasperatus (Lindl.) Luer
- In 1843, in Botanical Register; the description
of Pleurothallis peduncularis Lindl. Illegitimate
name due to the publication of Pleurothallis peduncularis
Hook, in 1841, in Journal of Botany;
- In 1859, in Folia Orchidaceae. Pleurothallis 15, the description
of Pleurothallis exasperata Lindl.
- In 1882, in Genera et Species Orchidearum Novarum 2: 76, the
description of Anathallis parahybunensis Barb.
Rodr.
- In 1891, in Revisio Generum Plantarum 2: 667/8, the
description of Humboltia exasperata (Lindl.)
Kuntze e Humboltia peduncularis
(Lindl.) Kuntze
having as basionym Pleurothallis
exasperata Lindl. and Pleurothallis peduncularis Lindl.
respectively;
- In 1982, in Selbyana 7:36, Carlyle A. Luer described Myoxanthus
exasperatus (Lindl.) Luer having as basionym Pleurothallis
exasperata Lindley and considered Pleurothallis peduncularis
Lindl. as synonym;
- In 1982, in Selbyana, 7:49, Myoxanthus parahybunensis
(Barb. Rodr) Luer has
been described;
- In Icones Pleurothallidinarum IX, Carlyle A. Luer considered
Myoxanthus parahybunensis (Barb. Rodr.) Luer as synonym
of Myoxanthus exasperatus (Lindl.) Luer.
|
My.
exasperatus - infertile plant |
Myoxanthus
lonchophyllus (Barb. Rodr.) Luer
- In 1877, in Genera et Species Orchidearum Novarum 1: 35, the
description of Restrepia lonchophylla Barb.
Rodr.
- In 1881, in Otia Botanica Hamburgensia 2: 93, the
description of Pleurothallis warmingii Rchb. f.
- In 1882, in Genera et Species Orchidearum Novarum 2: 39, the
description of Chaetocephala lonchophylla
(Barb. Rodr.) Barb. Rodr. having as basionym Restrepia lonchophylla
Barb. Rodr.
- In 1896, Flora Brasiliensis 3(4): 589, t. 117, f. 2. the
description of Pleurothallis lonchophylla
(Barb. Rodr.) Cogn. having
as basionym Restrepia lonchophylla Barb. Rodr. Illegitimate
name because of Pleurothallis lonchophylla
Rchb. f. published in 1886;
- 1982, in Selbyana 7:43, Carlyle A. Luer
described Myoxanthus lonchophyllus (Barb. Rodr.) Luer and
Myoxanthus seidelii (Pabst) Luer having as basionyms Restrepia
lonchophylla Barb. Rodr. and Pleurothallis seidelii Pabst,
respectively;
- In 1992, Icones Pleurothallidinarum
IX Systematics of Myoxanthus, Carlyle A. Luer considered
Myoxanthus seidelii (Pabst) Luer and Pleurothallis warmingii
Rchb. f. as synonyms of Myoxanthus lonchophyllus (Barb.
Rodr.) Luer;
- In 1997, in Icones Pleurothallidinarum XV, Carlyle A Luer reconsidered
Myoxanthus seidelii (Pabst) Luer as a valid species. |
My.
lonchophyllus - infertile plant |
Myoxanthus
parvilabius (C. Schweinf.) Luer
- In 1962, in Botanical Museum Leaflets 20: 14, the
description of Pleurothallis parvilabia C. Schweinf.
- In 1982, in Selbyana 7;49, Luer described the species Myoxanthus
parvilabius (C. Schweinf.) Luer having as basionym the species
mentioned above;
- In 2000, in Acta Amazonica 30(2) 181-186 registered the occurrence
in Brazil, for the state of Amazonas.
Myoxanthus pulvinatus (Barb. Rodr.) Luer
- In 1882, in Genera et Species Orchidearum Novarum 2: 77, the
description of Anathallis pulvinata Barb.
Rodr.
- In 1896, in Flora Brasiliensis 3(4): 563, Cogniaux described
Pleurothallis pulvinata (Barb. Rodr.) Cogn.
having as basionym Anathallis pulvinata Barb. Rodr.
- In 1992, in Icones Pleurothallidinarum IX, Carlyle A. Luer described
Myoxanthus pulvinatus (Barb. Rodr.) Luer having
as basionym Anathallis pulvinata Barb. Rodr. considering
Pleurothallis pulvinata (Barb. Rodr.) Cogn. as a synonym.
Myoxanthus punctatus (Barb. Rodr.) Luer
- In 1882, in Genera et Species Orchidearum Novarum 2: 38, Barbosa
Rodrigues described the species Chaetocephala punctata Barb.
Rodr.
- In 1896, in Flora Brasiliensis 3(4): 590, the
description of Pleurothallis chaetocephala Cogn.
- 1982, in Selbyana, 7:49, Carlyle A. Luer described the species
Myoxanthus punctatus (Barb. Rodr.) Luer having as basionym
Chaetocephala punctata Barb. Rodr. and considering Pleurothallis
chaetocephala Cogn. as synonym. |
Myoxanthus
ruschii Fraga & L. Kollmann
- In 2003, Novon 13(1): 49-51, f. 1, the description
of Myoxanthus ruschii Fraga & L. Kollmann
to the state of Espírito Santo.
|
My.
ruschii - alive type - infertile plant |
Myoxanthus
seidelii (Pabst) Luer
- In 1975, in Bradea, Boletim do Herbarium Bradeanum 2: 54, the
description of Pleurothallis seidelii
Pabst;
- In 1982, in Selbyana 7:51, Carlyle A. Luer described the species
Myoxanthus seidelii (Pabst) Luer having as basionym
Pleurothallis seidelii Pabst;
- In 1992, Icones Pleurothallidinarum IX Systematics of Myoxanthus,
Carlyle A. Luer considered Myoxanthus seidelii (Pabst)
Luer as synonym of Myoxanthus lonchophyllus (Barb. Rodr.)
Luer;
- In 1997, in Icones Pleurothallidinarum XV, Carlyle A Luer reconsidered
Myoxanthus seidelii (Pabst) Luer as a valid species. |
My.
seidelii - infertile plant |
Myoxanthus trachychlamys (Schltr.) Luer
- In 1922, in Repertorium Specierum Novarum Regni Vegetabilis,
Beihefte 17: 23, the description of
Pleurothallis trachychlamys Schltr.
- In 1962, in Arquivos de Botânica do Estado de São
Paulo 3(5): 268, t. 67, f. A. the description
of Pleurothallis cymbicalli Pabst;
- In 1992, in Icones Pleurothallidinarum IX, Carlyle A Luer described
the species Myoxanthus trachychlamys (Schltr.)Luer having
as basionym Pleurothallis trachychlamys Schltr. and considered
Pleurothallis cymbicalli Pabst as synonym.
Synonyms
Anathallis parahybunensis Barb. Rodr. = Myoxanthus exasperatus
(Lindl.) Luer
Anathallis pulvinata Barb. Rodr. = Myoxanthus pulvinatus
(Barb. Rodr.) Luer
Chaetocephala lonchophylla Barb. Rodr. = Myoxanthus lonchophyllus
(Barb. Rodr.) Luer
Chaetocephala punctata Barb. Rodr. = Myoxanthus punctatus
(Barb. Rodr.) Luer
Humboltia exasperata (Lindl.) Ktze. = Myoxanthus
exasperatus (Lindl.) Luer
Humboltia peduncularis (Lindl.) Ktze. = Myoxanthus exasperatus
(Lindl.) Luer
Humboltia warmingii (Rchb. f.) Ktze. = Myoxanthus lonchophyllus
(Barb. Rodr.) Luer
Myoxanthus alexanderae (Schltr.) Luer = Pleurothallis
aspasicensis Rchb. f.
Myoxanthus aspasicensis (Rchb. f.) Luer = Pleurothallis
aspasicensis Rchb. f.
Myoxanthus parahybunensis (Barb.Rodr.) Luer = Myoxanthus
exasperatus (Lindl.) Luer
Myoxanthus pastacensis (Luer) Luer= Pleurothallis aspasicensis
Rchb. f.
Pleurothallis chaetocephala Cogn. = Myoxanthus punctatus
(Barb. Rodr.) Luer
Pleurothallis cymbicalli Pabst = Myoxanthus trachychlamys
(Schltr.) Luer
Pleurothallis exasperata Lindl. = Myoxanthus exasperatus
(Lindl.) Luer
Pleurothallis lonchophylla (Barb. Rodr.) Cogn. non
Rchb. f. = Myoxanthus lonchophyllus (Barb. Rodr.) Luer
Pleurothallis macropus Schltr. = Myoxanthus exasperatus
(Lindl.) Luer
Pleurothallis peduncularis Lindl. = Myoxanthus
exasperatus (Lindl.) Luer
Pleurothallis pulvinata (Barb. Rodr.) Cogn = Myoxanthus
pulvinatus (Barb. Rodr.) Luer
Pleurothallis trachychlamys Schltr. = Myoxanthus
trachychlamys (Schltr.) Luer
Pleurothallis warmingii Rchb. f. = Myoxanthus lonchophyllus
(Barb. Rodr.) Luer
Restrepia lonchophylla Barb. Rodr. = Myoxanthus lonchophyllus
(Barb. Rodr.) Luer
Bibliography
Carlyle A. Luer, Selbyana 7:51, 1982
Carlyle A.Luer, in Icones Pleurothallidinarum IX, 1992
Carlyle A Luer, in Icones Pleurothallidinarum XV, 1997
G. F. Pabst & F. Dungs, Germany, l977, Vol. I.Orchidaceae Brasiliensis.
M. Frey & N. Sanson, em Richardiana VI(I) Janvier 2006,
Pabst, in Bradea, Boletim do Herbarium Bradeanum 2: 54, 1975
Missouri Botanical Garden
- http://mobot.mobot.org/cgi-bin/search_vast
Acta Amazonica
30(2) 181-186, 2000
Acknowledges
Instituto Jardim Botânico do Rio de Janeiro nursery by the
permission for taking photos of the plants included in this work
which are part of its collection and Cláudio Nicoletti de
Fraga, the curator of the Alive Collection of this Institution.
Photos:
Sergio Araujo
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