Descripcion
Hierbas perennes, de 0,4-1,4 m de alto, glabras; tallos simples en la base y ramificados en la parte superior, generalmente rojizos, hojosos hasta la inflorescencia. Hojas de contorno obovado, profundamente pinnatisectas, con raquis linear de 60-140 × 1-1,5 mm y 7-9 pares de segmentos lineares, de 18-35 × 0,8-1 mm, enteros o con 1-2 lóbulos a cada lado. Capítulos radiados, muy numerosos, dispuestos en cimas corimbiformes densas en los ápices de las ramas; pedúnculos ca. 1 cm de largo. Involucro acampanado, 7-8 × 5-6 mm, muy brevemente caliculado; filarios 20, lineares, agudos y penicilados en el ápice, glabros en el dorso. Flores dimorfas, las del margen 11-13, con corolas amarillas, liguladas, lígula oblonga, ca. 5 × 1,5 mm; las del centro numerosas, con corolas amarillas, tubulosas, ca. 6 mm de largo, 5-lobadas. Aquenios cilindroides, ca. 2 mm de largo, densa y cortamente pilosos. Papus blanco de 7-8 mm de largo.
Distribucion y Habitat
Bolivia, norte y centro de la Argentina. Vegeta en suelos arenosos o salobres de las provincias biogeográficas Chaqueña, del Monte y oeste de la Pampeana, entre los 420-2400 m s.m.
Sinónimos
Senecio pampeanus Cabrera
Bibliografía
Ejemplares de referencia
| Colector | N° Colect. | Especie | Departamento | Provincia | Imagen |
|---|---|---|---|---|---|
|
|
-1 | BAA 17724 | San Justo | Córdoba |
|
|
|
1076 | Esquina | Corrientes |
|
|
|
|
3855 | Esquina | Corrientes |
|
|
|
|
1753 | General Pedernera | San Luis |
|
|
|
|
1858 | Ayacucho | San Luis |
|
|
|
|
2896 | Juan Martín de Pueyrredón | San Luis |
|
|
|
|
3182 | Coronel Pringles | San Luis |
|
|
|
|
924 | Colón | Córdoba |
|
|
|
|
2450 | Marcos Juárez | Córdoba |
|
|
|
|
2462 | Río Segundo | Córdoba |
|
|
|
|
2465 | Río Segundo | Córdoba |
|
|
|
|
2745 | Colón | Córdoba |
|
|
|
|
3677 | San Alberto | Córdoba |
|
|
|
|
65 | San Martín | Santa Fe |
|
|
|
|
431 | Colón | Córdoba |
|
|
|
|
473 | Tulumba | Córdoba |
|
|
|
|
389 | Río Cuarto | Córdoba |
|
|
|
|
1813 | Chacabuco | San Luis |
|
|
|
|
2656 | Punilla | Córdoba |
|
|
|
|
2818 | Punilla | Córdoba |
|
|
|
|
7733 | Pocho | Córdoba |
|
|
|
|
10085 | Tunuyán | Mendoza |
|
|
|
|
1884 | 0 | Mendoza |
|
|
|
|
1925 | San Rafael | Mendoza |
|
|
|
|
9965 | Rancul | La Pampa | ||
|
|
9965 | Rancul | La Pampa | ||
|
|
15746 | Presidente Roque Saenz Peña | Córdoba | ||
|
|
6592 | Bahía Blanca | Buenos Aires |
|
|
|
|
6630 | Bahía Blanca | Buenos Aires | ||
|
|
6787 | Bahía Blanca | Buenos Aires | ||
|
|
6963 | Pellegrini | Buenos Aires | ||
|
|
6963 | Pellegrini | Buenos Aires | ||
|
|
7955 | Trenque Lauquen | Buenos Aires | ||
|
|
8015 | Pellegrini | Buenos Aires | ||
|
|
9973 | General Pueyrredón | Buenos Aires | ||
|
|
10336 | General Pueyrredón | Buenos Aires | ||
|
|
18594 | Pichi Mahuida | Río Negro |
|
|
|
|
29971 | San Cristóbal | Santa Fe | ||
|
|
220 | Coronel Rosales | Buenos Aires |
|
|
|
|
704 | Concepción | Corrientes |
|
|
|
|
5541 | Río Cuarto | Córdoba |
|
|
|
|
7261 | Ambato | Catamarca |
|
|
|
|
62 | BAA 21648 | San Roque | Corrientes |
|
|
|
1334 | Coronel Pringles | San Luis |
|
|
|
|
1808 | Punilla | Córdoba |
|
|
|
|
189 | Capital | Córdoba |
|
|
|
|
500 | Punilla | Córdoba |
|
|
|
|
1977 | Punilla | Córdoba |
|
|
|
|
2586 | Chilecito | La Rioja |
|
|
|
|
9 | Río Cuarto | Córdoba |
|
|
|
|
88 | -A-34 | Paso de los Libres | Corrientes |
|
|
|
4281 | General López | Santa Fe |
|
|
|
|
4853 | Constitución | Santa Fe |
|
|
|
|
477 | San Cristóbal | Santa Fe |
|
|
|
|
371 | San Justo | Córdoba |
|
|
|
|
207 | Colón | Córdoba |
|
|
|
|
7901 | Balcarce | Buenos Aires |
|
|
|
|
8098 | Balcarce | Buenos Aires |
|
|
|
|
-1 | BAA 17527 | Unión | Córdoba |
|
|
|
62 | (SI 158930) | Buenos Aires |
|
|
|
|
669 | General Pueyrredón | Buenos Aires |
|
|
|
|
-1 | CORD 82528 | Córdoba |
|
|
|
|
-1 | CORD 82529 | Córdoba |
|
|
|
|
-1 | CORD 82531 | Córdoba |
|
|
|
|
583 | CORD 82530 | Córdoba |
|
|
|
|
-1 | (SI 10630) | Jujuy |
|
|
|
|
6414 | San Alberto | Córdoba |
|
|
|
|
6439 | Punilla | Córdoba |
|
|
|
|
7131 | Calamuchita | Córdoba |
|
|
|
|
7534 | Río Primero | Córdoba |
|
|
|
|
7567 | San Justo | Córdoba |
|
|
|
|
7581 | San Justo | Córdoba |
|
|
|
|
8583 | Punilla | Córdoba |
|
|
|
|
9430 | Punilla | Córdoba |
|
|
|
|
9573 | Calamuchita | Córdoba |
|
|
|
|
11140 | Capital | Córdoba |
|
|
|
|
11300 | Colón | Córdoba |
|
|
|
|
12637 | General Pedernera | San Luis |
|
|
|
|
13179 | General Pedernera | San Luis |
|
|
|
|
13634 | Pocho | Córdoba |
|
|
|
|
16010 | General Pedernera | San Luis |
|
|
|
|
18486 | Andalgalá | Catamarca |
|
|
|
|
18926 | Marcos Juárez | Córdoba |
|
|
|
|
18983 | Caseros | Santa Fe |
|
|
|
|
21458 | General Roca | Córdoba |
|
|
|
|
23011 | bis | Unión | Córdoba |
|
|
|
1153 | Colón | Córdoba |
|
|
|
|
1449 | Punilla | Córdoba |
|
|
|
|
6384 | Tercero Arriba | Córdoba |
|
|
|
|
18848 | Tarija |
|
||
|
|
18934 | Tarija |
|
||
|
|
47508 | La Capital | Santa Fe |
|
|
|
|
735 | Capital | Córdoba |
|
|
|
|
2590 | Capital | Córdoba |
|
|
|
|
2761 | Santa María | Córdoba |
|
|
|
|
2829 | Córdoba |
|
||
|
|
3085 | Córdoba |
|
||
|
|
3863 | CORD 81519 | Punilla | Córdoba |
|
|
|
4385 | Colón | Córdoba |
|
|
|
|
8328 | San Alberto | Córdoba |
|
|
|
|
8373 | San Alberto | Córdoba |
|
|
|
|
9141 | San Alberto | Córdoba |
|
|
|
|
9206 | Río Primero | Córdoba |
|
|
|
|
15607 | Punilla | Córdoba |
|
|
|
|
15928 | Calamuchita | Córdoba |
|
|
|
|
354 | Tornquist | Buenos Aires |
|
|
|
|
496 | Mar Chiquita | Buenos Aires |
|
|
|
|
1272 | Villarino | Buenos Aires |
|
|
|
|
2249 | Punilla | Córdoba |
|
|
|
|
55 | Ayacucho | San Luis |
|
|
|
|
56 | Ayacucho | San Luis |
|
|
|
|
57 | Ayacucho | San Luis |
|
|
|
|
58 | Ayacucho | San Luis |
|
|
|
|
56 | (CORD 6508) | Córdoba |
|
|
|
|
222 | (CORD 6507) | Córdoba |
|
|
|
|
970 | Tarija |
|
||
|
|
970 | Tarija |
|
||
|
|
22 | Córdoba |
|
||
|
|
4061 | Río Seco | Córdoba |
|
|
|
|
4281 | Punilla | Córdoba |
|
|
|
|
1 | BAA 17005 | Río Cuarto | Córdoba |
|
|
|
132 | Bahía Blanca | Buenos Aires |
|
|
|
|
-1 | (SI 17754) | Punilla | Córdoba |
|
|
|
101 | Punilla | Córdoba |
|
|
|
|
847 | Punilla | Córdoba |
|
|
|
|
961 | Colón | Córdoba |
|
|
|
|
1476 | 1 | Punilla | Córdoba |
|
|
|
8584 | General Alvear | Mendoza |
|
|
|
|
45 | (SI 158941) | San Luis |
|
|
|
|
7094 | Mburucuyá | Corrientes |
|
|
|
|
1323 | Las Colonias | Santa Fe |
|
|
|
|
6681 | Las Colonias | Santa Fe |
|
|
|
|
28 | Punilla | Córdoba |
|
|
|
|
2581 | Chical Co | La Pampa |
|
|
|
|
115 | General Pedernera | San Luis |
|
|
|
|
2100 | Coronel Pringles | San Luis |
|
|
|
|
1348 | San Justo | Córdoba |
|
|
|
|
2129 | Río Primero | Córdoba |
|
|
|
|
2162 | Tulumba | Córdoba |
|
|
|
|
-1 | BAA 16148 | San Justo | Córdoba |
|
|
|
-1 | BAA 17388 | Poman | Catamarca |
|
|
|
-1 | BAA 17844 | Colón | Buenos Aires |
|
|
|
2500 | Tulumba | Córdoba |
|
|
|
|
3826 | Río Primero | Córdoba |
|
|
|
|
11977 | Río Segundo | Córdoba |
|
|
|
|
13594 | Río Primero | Córdoba |
|
|
|
|
16667 | Punilla | Córdoba |
|
|
|
|
23100 | Río Primero | Córdoba |
|
|
|
|
1598 | General San Martín | Córdoba |
|
|
|
|
-1 | BAA 17379 | Capital | Catamarca |
|
|
|
-1 | BAA 19380 | Capital | Catamarca |
|
|
|
5105 | Vera | Santa Fe |
|
|
|
|
710 | Tornquist | Buenos Aires |
|
|
|
|
226 | General Roca | Córdoba |
|
|
|
|
-1 | BAA 20114 | Junín | San Luis |
|
|
|
487 | Chacabuco | San Luis |
|
|
|
|
3 | (SI 158980) | Las Colonias | Santa Fe |
|
|
|
123 | (SI 158925) | Santa Fe |
|
|
|
|
1329 | General Pedernera | San Luis |
|
|
|
|
1906 | Villarino | Buenos Aires |
|
|
|
|
2178 | Villarino | Buenos Aires |
|
|
|
|
3407 | Coronel Dorrego | Buenos Aires |
|
|
|
|
3422 | Coronel Dorrego | Buenos Aires |
|
|
|
|
3440 | Coronel Rosales | Buenos Aires |
|
|
|
|
4286 | Coronel Dorrego | Buenos Aires |
|
|
|
|
5247 | Coronel Rosales | Buenos Aires |
|
|
|
|
5389 | Tres Arroyos | Buenos Aires |
|
|
|
|
5527 | Tres Arroyos | Buenos Aires |
|
|
|
|
7176 | Monte Hermoso | Buenos Aires |
|
|
|
|
8860 | Puán | Buenos Aires |
|
|
|
|
9724 | Coronel Rosales | Buenos Aires |
|
|
|
|
612 | La Paz | Entre Ríos |
|
|
|
|
10421 | Tarija |
|
||
|
|
10582 | Ambato | Catamarca | ||
|
|
10582 | Ambato | Catamarca |
Nombre Vulgar y Usos
Tipo y Observaciones
Material Tipo: Argentina. Buenos Aires. Pdo. Pellegrini: médanos fijos, 29 Nov 1940, A. L. Cabrera 6963 (lectotipo, LP 000596!, designado como holotipo por S.E. Freire & L. Iharlegui, Darwiniana 38: 347. 2000; isolectotipos, LP000597!, SI 001021!).
Observaciones:
.mid.JPG)
.mid.JPG)
.mid.JPG)
.mid.JPG)
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
.thumb.JPG)
|
.thumb.JPG)
|
.thumb.JPG)
|
.thumb.JPG)
|