Abstract
BRULLO, S.. P. PAVONE & C. SALMERI (1997). Allium oporinanthum (Alliaceae), a new species from the NW Mediterranean area. Anales Jard. Bot. Madrid 55(2): 297-302. A new species Allium oporinanthum is described from some localities of the NW Mediterranean area. The new species belongs to A. sect. Codonoprasum and is usually localized on limestone in shady rocky places. It is an autumnal species with a tetraploid chromosome number (2n = 32). Its old origin and its taxonomic relationships are examined too.
Highlights
In the context of cytotaxonomic research on the populations belonging to Allium sect
The herbarium investigations revealed that it clearly falls within the A. paniculatum L. group, but remarkable morphological differences distinguish it from the other known species of this group
Together with other chasmophytes, on calcareous shady rocks or, more rarely, in semirupestrian places where it is a member of garigues
Summary
In the context of cytotaxonomic research on the populations belonging to Allium sect. The herbarium investigations revealed that it clearly falls within the A. paniculatum L. group, but remarkable morphological differences distinguish it from the other known species of this group. It is treated here as a new species, named Allium oporinanthum. Fig. 1.- Allium oporinanthum Brullo, Pavone & Salmeri: A, habit; B, flower; C, perigon with stamens; D, ovary; E, anther; F, capsule. Stamens unequal, included in the perigon, with simple and subulate filaments, the outer 2-2.3 mm long, the inner 2.7-3 mm long, at the base connate with tepals in an annulus 1.5-1.8 mm high; anthers whitish, oblong, slightly apiculate at the apex, 1.4-1.5 x 0.8-0.9 mm. Holotypus: Spagna, Cap de Sant Antoni, Denia, 20-LX-1992, Brullo, CAT
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