Senecio antisanae
Encyclopedia
Senecio antisanae is a species of Senecio
Senecio
Senecio is a genus of the daisy family that includes ragworts and groundsels. The flower heads are normally rayed, completely yellow, and the heads are borne in branched clusters...

 in the Asteraceae
Asteraceae
The Asteraceae or Compositae , is an exceedingly large and widespread family of vascular plants. The group has more than 22,750 currently accepted species, spread across 1620 genera and 12 subfamilies...

 family found only in the subtropical or tropical moist montane
Montane
In biogeography, montane is the highland area located below the subalpine zone. Montane regions generally have cooler temperatures and often have higher rainfall than the adjacent lowland regions, and are frequently home to distinct communities of plants and animals.The term "montane" means "of the...

 region of Ecuador
Ecuador
Ecuador , officially the Republic of Ecuador is a representative democratic republic in South America, bordered by Colombia on the north, Peru on the east and south, and by the Pacific Ocean to the west. It is one of only two countries in South America, along with Chile, that do not have a border...

. It is threatened by habitat loss.

It is a terrestrial herb
Herbaceous plant
A herbaceous plant is a plant that has leaves and stems that die down at the end of the growing season to the soil level. They have no persistent woody stem above ground...

 that is only known from a few old collections in the Andes
Andes
The Andes is the world's longest continental mountain range. It is a continual range of highlands along the western coast of South America. This range is about long, about to wide , and of an average height of about .Along its length, the Andes is split into several ranges, which are separated...

. The only subpopulation with detailed location information was recorded at the Hacienda del Isco, in the foothills of Volcán Antisana
Antisana
Antisana is a stratovolcano of the northern Andes, in Ecuador. It is the fourth highest volcano in Ecuador, at , and is located 50 km SE of the capital city of Quito.Antisana presents one of the most challenging technical climbs in the Ecuadorian Andes....

 in the Cordillera of Quito
Cordillera Real (Ecuador)
The Cordillera Real is a chain of mountains in the Andes of Ecuador, the largest of them volcanic. They are continued by the Cordillera Central of Peru to the south and the Cordillera Central of Colombia to the north...

,
in 1845.
This subpopulation may now be inside the Antisana Ecological Reserve,
a privately owned reserve that preserves the native flora and fauna of the Northern Andean páramo
Páramo
The term páramo can refer to a variety of ecosystems. Some ecologists describe the páramo broadly as “all high, tropical, montane vegetation above the continuous timberline”. A more narrow term classifies the páramo according to its regional placement - specifically located in “the northern Andes...

.
The species may be a synonym of S. iscoensis
Senecio iscoensis
Senecio iscoensis or Aetheolaena senecioidesis is a species of Senecio in the Asteraceae family that is found only in subtropical and tropical dry shrubland in Ecuador.It is threatened by habitat loss....

(Nordenstam
Bertil Nordenstam
Rune Bertil Nordenstam is a Swedish botanist and professor emeritus at the Swedish Museum of Natural History in the Department of Phanerogamic Botany.He has worked with Colchicaceae, Senecioneaeand Calenduleae,...

 in Jørgensen and León-Yánez 1999), which itself may be properly named Aetheolaena senecioides. No specimens of this species are housed in Ecuadorian museums.

Distribution

Neotropic
Neotropic
In biogeography, the Neotropic or Neotropical zone is one of the eight terrestrial ecozones. This ecozone includes South and Central America, the Mexican lowlands, the Caribbean islands, and southern Florida, because these regions share a large number of plant and animal groups.It is sometimes used...

:
Western South America: Ecuador
Ecuador
Ecuador , officially the Republic of Ecuador is a representative democratic republic in South America, bordered by Colombia on the north, Peru on the east and south, and by the Pacific Ocean to the west. It is one of only two countries in South America, along with Chile, that do not have a border...

 (Pichincha
Pichincha Province
Pichincha is a province of Ecuador located in the northern sierra region; its capital and largest city is Quito. It is bordered by Imbabura & Esmeraldas to the north, Cotopaxi & Santo Domingo de los Tsáchilas to the south, Napo & Sucumbíos to the east, and Esmeraldas & Santo Domingo de los...

)



The source of this article is wikipedia, the free encyclopedia.  The text of this article is licensed under the GFDL.
 
x
OK