Gynerium

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Gynerium
Gynerium sagittatum 3.jpg
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Clade: Commelinids
Order: Poales
Family: Poaceae
Clade: PACMAD clade
Subfamily: Panicoideae
Tribe: Gynerieae
Sánchez-Ken & L.G. Clark (2001)
Genus: Gynerium
Willd. ex P. Beauv. 1812 not Bonpl. 1813 [1]
Species:
G. sagittatum
Binomial name
Gynerium sagittatum
Synonyms [2]
  • Saccharum sagittatumAubl.
  • Arundo sagittata(Aubl.) Pers.
  • Arundo rugiiMolina
  • Gynerium procerumP.Beauv.
  • Gynerium saccharoidesHumb. & Bonpl.
  • Arundo saccharoides(Humb. & Bonpl.) Poir.
  • Cynodon gyneriumRaspail
  • Gynerium parviflorumNees
  • Arundo fastuosaWilld. ex Steud.
  • Aira giganteaSteud.
  • Gynerium levyiE.Fourn.

Gynerium is a monotypic genus of Neotropical plants in the grass family, native to Mexico and Colombia, Central America, South America, and the West Indies. [3] [4] It is classified in its own tribe Gynerieae. [5]

Contents

The sole species in the genus is Gynerium sagittatum, a tall grass that grows up to six metres (twenty feet) high. It is a very vigorous species that grows into a considerably dense mass of vegetation. The species is known as "cana-do-rio", "cana-flecha", "cana-frecha", "ubá" and "cana-brava" in Brazil, "caña brava" in Peru and Colombia, "chuchío" in eastern Bolivia, and "tañil" in Guatemala and other Spanish speaking countries. It is known in English as "wildcane" [6] or "wild cane", while "arrow cane" is less common (sagitta is Latin for arrow ).

Description

The stems are straight and erect, the lower part is covered with "vainas" from the fallen leaves, while in the middle part the leaves are arranged in fan shaped groups. The upper part, round and thin, stiff on the outside and soft on the inside, develops a large bloom at the top.

There are many varieties in the plant's stems. The bark zone, which is the main factor in the unusual height, functions as a water distribution system, transporting water from the underground roots to the superior part of the plant including the leaves. This vital function occurs at any season of the year.

Ecology

Being one of the first plants to colonise open areas, G. sagittatum is an important pioneer species that reaches new sites via wind-distributed seeds. Once established, it spreads vegetatively, and is found usually near rivers and lakes, and even beaches.

Uses

Diversity

Species [2]

The only known species is Gynerium sagittatum, - widespread from northern Mexico to Paraguay. [7] [8] [9] [10]

Varieties [2]

Three varieties are recognized:

formerly included [2]

see Austroderia Cortaderia Chusquea

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References

  1. ↑ Tropicos, search for Gynerium
  2. 1 2 3 4 Kew World Checklist of Selected Plant Families
  3. ↑ Willdenow, Carl Ludwig von ex Palisot de Beauvois, Ambroise Marie François Joseph 1812. Essai d'une Nouvelle Agrostographie 138-139 description in Latin, commentary in French
  4. ↑ Willdenow, Carl Ludwig von ex Palisot de Beauvois, Ambroise Marie François Joseph 1812. Essai d'une Nouvelle Agrostographie plate XXIV (24), figure VI (6 a-d) line drawings of Gynerium sagittatum; figure captions on caption page 16
  5. ↑ Soreng, Robert J.; Peterson, Paul M.; Romschenko, Konstantin; Davidse, Gerrit; Zuloaga, Fernando O.; Judziewicz, Emmet J.; Filgueiras, Tarciso S.; Davis, Jerrold I.; Morrone, Osvaldo (2015). "A worldwide phylogenetic classification of the Poaceae (Gramineae)". Journal of Systematics and Evolution. 53 (2): 117–137. doi:10.1111/jse.12150. ISSN   1674-4918. S2CID   84052108. Open Access logo PLoS transparent.svg
  6. ↑ USDA, NRCS (n.d.). "Gynerium sagittatum". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 9 May 2015.
  7. ↑ Boggan, J. Funck, V. & Kelloff, C. (1997). Checklist of the Plants of the Guianas (Guyana, Surinam, Franch Guiana) ed. 2: 1-238. University of Guyana, Georgetown
  8. ↑ Nelson Sutherland, C.H. (2008). Catálogo de las plantes vasculares de Honduras. Espermatofitas: 1-1576. SERNA/Guaymuras, Tegucigalpa, Honduras
  9. ↑ Hokche, O., Berry, P.E. & Huber, O. (eds.) (2008). Nuevo Catálogo de la Flora Vascular de Venezuela: 1-859. Fundación Instituto Botánico de Venezuela
  10. ↑ Giraldo-Cañas, D. (2011). Catálogo de la familia Poaceae en Colombia. Darwiniana 49: 139-247.
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