Hypochaeris sardoa, belonging to H. sect. Metabasis, is described as a species new to science and illustrated. It occurs on siliceous rocks in southern Sardinia. Its karyology, ecology, chorology and relationship are examined. A key to the species of H. sect. Metabasis is provided.
References
N. Barghi
,
C. Mugnier
&
S. Siljak-Yakovlev
1989: Karyological studies in some Hypochoeris spp. (Compositae) from Sicily. —
Pl. Syst. Evol.
168: 49–57. Google Scholar
D. Bramwell
,
C. J. Humphries
,
B. G. Murray
&
S. J. Owens
1972: Chromosome numbers in the flora of Macaronesia. — Bot. Not. 125: 139–152. Google Scholar
S. Brullo
,
G. Majorana
,
P. Pavone
&
M. C. Terrasi
1977: Numeri cromosomici per la flora italiana: 283–298. — Inform. Bot. Ital. 9: 40–55. Google Scholar
A. L. Cabrera
1963: Estudios sobre el genero Hypochoeris. — Bol. Soc. Argent. Bot. 10: 166–195. Google Scholar
A. P. de Candolle
1838: Prodromus systematis naturalis regni vegetabilis 7(1). — Parisiis. Google Scholar
M. Cerbah
,
J. Coulaud
,
B. Godelle
&
S. Siljac-Yakovlev
1995: Genome size, fluorochrome banding, and karyotype evolution in some Hypochoeris species. —
Genome
38: 689–695. Google Scholar
J. Contandriopoulos
1962: Recherches sur la flore endémique de la Corse et sur ses origines. — Ann. Fac. Sci. Marseille 32: 1–354. Google Scholar
R. A. De Fillipps
1976:
Hypochoeris. — Pp. 308–310 in:
T. G. Tutin
, V. H. Heywood
, N. A. Burges
, D. M. Moore
, D. H. Valentine
, S. M. Walters
& D. A. Webb
(ed.), Flora europaea 4. — Cambridge & al. Google Scholar
A. Fiori
1904:
Hypochaeris L. — Pp. 391–394 in:
A. Fiori
& G. Paoletti
(ed.), Flora analitica d'Italia 3. — Padova. Google Scholar
A. Fiori
1927:
Hypochaeris L. — Pp. 785–790 in:
A. Fiori
, Nuova flora analitica d'Italia 2. — Firenze. Google Scholar
H. Förther
&
D. Podlech
2002: Die Gattung Hypochaeris L. sect. Hypochaeris (Compositae) im westlichen Nordafrika. — Sendtnera 8: 35–43. Google Scholar
A. Galán de Mera
,
E. de Castro
& J. A. Vicente Orellana
1999:
Hypochaeris alliatae group (Asteraceae) in the western Mediterranean Region. — Nordic J. Bot. 19: 587–595. Google Scholar
N. Galland
1988: Recherches sur l'origine de la flore orophile du Maroc. Étude caryologique et cytogeographique. — Rabat. Google Scholar
O. Hoffmann
1890–94:
Compositae. — Pp. 87–391 in:
A. Engler
& K. Prantl
(ed.), Die natürlichen Pflanzenfamilien 4(5). — Leipzig. Google Scholar
IUCN 2001: IUCN Red List categories and criteria. Version 3.1. — Gland & Cambridge. Google Scholar
H. W. Lack
1978: Die Gattung Heywoodiella Svent & Bramw. (Asteraceae, Lactuceae). — Willdenowia 8: 329–339. Google Scholar
B. de Montmollin
1986: Étude cytotaxonomique de la flore de la Crète. III. Nombres chromosomiques. — Candollea 42: 431–439. Google Scholar
C. Mugnier
&
S. Siljak-Yakovlev
1987: Karyological studies in some Yugoslavian populations of Hypochoeris (Compositae). — Caryologia 40: 319–325. Google Scholar
C. Oberprieler
&
R. Vogt
2002:
Hypochaeris arachnoidea Poir., a hitherto neglected species in NW Africa. —
Willdenowia
32: 231–236. Google Scholar
F. A. Saez
1949: Estudio citologico comparativo de algunas especies del genero Hypochoeris (Compositae) de la America del sur. — Lilloa 19: 97–104. Google Scholar
R. Samuel
,
T. F. Stuessy
,
K. Tremetsberger
,
C. M. Baeza
,
S. Šiljak-Yakovlev
2003: Phylogenetic relationships among species of Hypochaeris (Asteraceae, Cichorieae) based on ITS, plastid trnL intron, trnL-F spacer, and matK sequences. — Amer. J. Bot. 90: 496–507. Google Scholar
G. L. Stebbins
1953: A new classification of the tribe Cichorieae, family Compositae. — Madroño 12: 65–81. Google Scholar
G. L. Stebbins
,
J. A. Jenkins
&
M. S. Walters
1953: Chromosomes and phylogeny in the Compositae, tribe Cichorieae. — Univ. Calif. Publ. Bot. 26: 401–430. Google Scholar
H. Weiss
,
T. F. Stuessy
,
J. Grau
,
C. M. Baeza
2003: Chromosome reports from South American Hypochaeris (Asteraceae). —
Ann, Missouri Bot, Gard.
90: 56–63. Google Scholar
