Monograph of the Genus Elodea (Hydrocharitaceae): Part 2. The species found in the Andes and Western South America
Palabras clave:
Genus Elodea, Hydrocharitaceae, Elodea Matthewsii (en)Genus Elodea, Hydrocharitaceae, Elodea Matthewsii (es)
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The genus Elodea Richard in Michaux was first published in 1803
(Fl. Bor.-Am. 1: 20, 1803), based upon the single species. E. Canadensis from Montreal, Quebec, Canada. Though this was stated to have perfect flowers, it is now certain that the holotype specimens and the plants in nature are dioecious. Very abundant are plants bearing pistillate flowers with three stigmas and three acicular staminodia. Staminate plants are rare, but occur throughout the natural range of the species. Their flowers have nine stamens, but no trace of a gynoecium. Two well known species are now separated and placed in the genus Egeria Planch., a group just monographed by the writer. Left in Elodeaare seventeen species. These are to be found in two broad areas, the northern ones in the United Statesand southern Canada; the southern ones in South America. As yet there is no evidence of any indigenous species of Elodea in Central America.The genus Elodea Richard in Michaux was first published in 1803
(Fl. Bor.-Am. 1: 20, 1803), based upon the single species. E. Canadensis from Montreal, Quebec, Canada. Though this was stated to have perfect flowers, it is now certain that the holotype specimens and the plants in nature are dioecious. Very abundant are plants bearing pistillate flowers with three stigmas and three acicular staminodia. Staminate plants are rare, but occur throughout the natural range of the species. Their flowers have nine stamens, but no trace of a gynoecium. Two well known species are now separated and placed in the genus Egeria Planch., a group just monographed by the writer. Left in Elodea are seventeen species. These are to be found in two broad areas, the northern ones in the United States and southern Canada; the southern ones in South America. As yet there is no evidence of any indigenous species of Elodea in Central America.Cómo citar
APA
St. John, H. (1964). Monograph of the Genus Elodea (Hydrocharitaceae): Part 2. The species found in the Andes and Western South America. Caldasia, 9(42), 95–113. https://revistas.unal.edu.co/index.php/cal/article/view/33141
ACM
[1]
St. John, H. 1964. Monograph of the Genus Elodea (Hydrocharitaceae): Part 2. The species found in the Andes and Western South America. Caldasia. 9, 42 (jul. 1964), 95–113.
ACS
(1)
St. John, H. Monograph of the Genus Elodea (Hydrocharitaceae): Part 2. The species found in the Andes and Western South America. Caldasia 1964, 9, 95-113.
ABNT
ST. JOHN, H. Monograph of the Genus Elodea (Hydrocharitaceae): Part 2. The species found in the Andes and Western South America. Caldasia, [S. l.], v. 9, n. 42, p. 95–113, 1964. Disponível em: https://revistas.unal.edu.co/index.php/cal/article/view/33141. Acesso em: 29 mar. 2024.
Chicago
St. John, Harold. 1964. «Monograph of the Genus Elodea (Hydrocharitaceae): Part 2. The species found in the Andes and Western South America». Caldasia 9 (42):95-113. https://revistas.unal.edu.co/index.php/cal/article/view/33141.
Harvard
St. John, H. (1964) «Monograph of the Genus Elodea (Hydrocharitaceae): Part 2. The species found in the Andes and Western South America», Caldasia, 9(42), pp. 95–113. Disponible en: https://revistas.unal.edu.co/index.php/cal/article/view/33141 (Accedido: 29 marzo 2024).
IEEE
[1]
H. St. John, «Monograph of the Genus Elodea (Hydrocharitaceae): Part 2. The species found in the Andes and Western South America», Caldasia, vol. 9, n.º 42, pp. 95–113, jul. 1964.
MLA
St. John, H. «Monograph of the Genus Elodea (Hydrocharitaceae): Part 2. The species found in the Andes and Western South America». Caldasia, vol. 9, n.º 42, julio de 1964, pp. 95-113, https://revistas.unal.edu.co/index.php/cal/article/view/33141.
Turabian
St. John, Harold. «Monograph of the Genus Elodea (Hydrocharitaceae): Part 2. The species found in the Andes and Western South America». Caldasia 9, no. 42 (julio 1, 1964): 95–113. Accedido marzo 29, 2024. https://revistas.unal.edu.co/index.php/cal/article/view/33141.
Vancouver
1.
St. John H. Monograph of the Genus Elodea (Hydrocharitaceae): Part 2. The species found in the Andes and Western South America. Caldasia [Internet]. 1 de julio de 1964 [citado 29 de marzo de 2024];9(42):95-113. Disponible en: https://revistas.unal.edu.co/index.php/cal/article/view/33141
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Derechos de autor 1964 Caldasia
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