Astragalus sect. Astragalus (Fabaceae) in Iran, complementary notes with a key to the species

Abstract

R. 2003. Astragalus sect. Astragalus (Fabaceae) in Iran, complementary notes with a key to the species. -Nord. J. Bot. 22: 177-181. Copenhagen. ISSN 0107-055X. Astragalus zarreianus. is described and illustrated from Iran. It belongs to section Astragalus. This new species confined to western part of Iran (Prov. Illam) from only one location.A key to the species of the section known from Iran is prepared. Differences between the section and the closely related sections are discussed. On the basis of some important trends, an informal grouping is undertaken for yellow flower Astragali. Moreover, A. pseudo-orthocarpus is considered as a valid species in this treatment and differences with its closest relatives are described.

Astragalus sect. Dissitiflori (Fabaceae) in Iran

“…Astragalus L. is generally considered to be the largest genus of vascular plants with an estimated 2500-3000 species (Lock & Simpson 1991, Mabberley 1997, Ranjbar & Karamian 2002. Astragalus has approximately 150 sections of which A .…”

Astragalus bahcesarayensis (Leguminosae-Papilionoideae), a new species of section Alopecuroidei DC. from Turkey

“…Moreover, the new species differs from A. obtusifolius in its shorter peduncle (0–0.2 cm vs. 3–5 cm) and the absence of bracteoles. The species were compared with each other, and after a thorough study of the pertinent specimens and literature (Chamberlain & Matthews, 1970; Townsend & Guest, 1974; Becht, 1978; Maassoumi & Ranjbar, 1994, 1996; Podlech, 1999b; Ranjbar, Maassoumi & Podlech, 2002; Duman & Akan, 2003; Ranjbar & Karamian, 2003; Akan & Aytaç, 2004), it was realized that the specimens represented a new species.…”

Notes on the short-stemmed species of Astragalus sect. Onobrychoidei (Fabaceae) in Iran

“…Astragalus is also the most problematic genus in the legume systematics (Lock & Simpson 1991, Yakovlev & al. 1996, Ranjbar & Karamian 2002, 2003. In addition to its economic importance, its great diversity has attracted much interest in ecological as well as systematic studies.…”