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The classification of B. Valdés proposed in Willdenowia 34 in 2004 is shown to be for practical purposes incomplete, incorrect, inconsistent and out of date. A revised list of genera and tribes of Boraginales (Boraginaceae s.l.) occurring in the region based on recent data is presented.
On the basis of recent multidisciplinary (including DNA-analytical) studies, the fusion of the genera Otanthus and Leucocyclus with Achillea is proposed. A taxonomic and nomenclatural survey of the genus includes amendments in the circumscription of all accepted sections and new combinations for A. sect. Otanthus, A. maritima, A. maritima subsp. atlantica and A. formosa subsp. amanica.
Continuing a series of miscellaneous contributions, by various authors, where hitherto unpublished data relevant to the Med-Checklist project are presented, this instalment deals with the families Boraginaceae, Caryophyllaceae, Compositae, Dipsacaceae, Euphorbiaceae, Leguminosae, Ranunculaceae, Rhamnaceae, Solanaceae, Violaceae; Gramineae and Juncaginaceae. It includes new country and area records, taxonomic and distributional considerations. New names and combinations are validated in Anthemis, Anthyllis, Centaurea, Cephalaria, Cirsium, Eragrostis, Galatella, Megathyrsus, Psephellus, Rhaponticum, Tripolium and Viola.
Polygala apiculata is studied on living plants from the locus classicus. 2n = 24 chromosomes were counted, indicating a possibly triploid genomic constitution. The species is unique in the genus for the crown-like arranged caruncle lobes of its seeds. Its occurrence is confirmed for Calabria only and the IUCN conservation status “Critically Endangered” is proposed. A lectotype of the name P. apiculata is designated.
The wetland complex of Amvrakikos Gulf is the largest and most diverse in Greece and one of the 11 Internationally Important Wetlands catalogued in the country, but its flora and vegetation has been only insuffiently known to date. The present study revealed that the wetland flora of Amvrakikos comprises 182 vascular plant taxa, of which 158 are reported for the first time. Five taxa (Callitriche truncata subsp. truncata, Cyperus michelianus subsp. pygmaeus, Elymus hispidus subsp. graecus, Salvinia natans, Typha laxmanii) are new records also for Epirus and one (Glinus lotoides) is a new record for both western Sterea Ellas and Epirus. The distribution of nine taxa (Callitriche truncata subsp. truncata, Cotula coronopifolia, Cyperus michelianus subsp. pygmaeus, Eleocharis mitracarpa, Elymus hispidus subsp. graecus, Glinus lotoides, Rumex kerneri, Salvinia natans, Typha laxmanii) of special chorological interest is considered more closely. The vegetation complex of Amvrakikos wetland consists of thirty-six plant communities of six habitat groups: communities of saline soils, communities of subsaline soils, freshwater communities (marshes, reed swamps), communities of soils periodically inundated by freshwater, communities without preference for a particular habitat type and riparian forests.
Field work in the Kiklades (Aegean Islands, Greece), carried out by the author in spring 1999 and 2000, resulted in a number of floristic additions to single islands. 14 new records for the flora of Santorini (Thira) and 95 new records for the flora of Anafi are listed and commented.
Peucedanum longibracteolatum from the vilayets Antalya and Içel in the western Central Taurus, S Anatolia is described and illustrated, including anatomical details. The tall species is named after one of its diagnostic characters, the persistent, up to 30 mm long, subulate-filiform bracteoles.
Lomelosia solymica, a plant of montane, sea facing cliffs of the Tahtalı Dağı in the Western Taurus Mts south of Antalya is described as a species new to science and illustrated. Its isolated taxonomic position within the genus and its peculiarities, such as the awnless calyx, are discussed. We interpret the latter character within the chasmophytic syndrome and develop the hypothesis that it facilitates dispersal by ants into narrow rock fissures.
Astragalus masulehensis, a species of the A. refractus group from the province of Gilan, and A. siahbishehensis, a species of the A. askius group from the province of Mazandaran, are described as new to science and illustrated. Keys and tables of diagnostic features are provided. New records of A. refractus and A. rostratus are given from NW Iran, for the latter being an extension of its known range into Iran.
A list of 355 vascular plants, including 324 indigenous, naturalized or escaping and 31 cultivated species, is provided for the Dha-Hanu area, Lower Ladakh (Jammu & Kashmir, India). Previous floristic records from this remote high mountain area along the northern borders of India and Pakistan are scarce, but of the 45 species reported in literature 25 were not confirmed during the present study. Field work covered an altitudinal segment between c. 2750 and 4100 m along a section of the Indus valley from Khalsi to near the border with Pakistan. 18 species are new records to the flora of Ladakh. The phytogeographical significance of the study area is discussed, with a view of possible sampling artefacts due to the political border situation, while also indicating prominent floristic gradients.
Caragana leduensis from Qinghai is described as a new species and illustrated. It is similar to C. kozlovii but differs by the corolla wing auricle being ¾ as long as the claw, the densely white-villous ovary and legumes, and the obovate-elliptic leaflets being blunt at the apex and glabrous except for the white-villous midvein and margins on the lower surface.
A new species and two new varieties are described from Cuba: Thelypteris denudata, T. piedrensis var. heterotricha and T. scalpturoides var. glabriuscula. New records for Cuba are T. cheilanthoides, T. linkiana, T. pachyrhachis, T. pteroidea, T. scalaris and T. thomsonii.
An unusual and attractive member of Anthurium sect. Dactylophyllium was discovered in French Guiana by the naturalist Joep Moonen, in honour of whom the species is named. Anthurium moonenii is characterized by 3-lobed leaf blades, slender, generally pendent segments with numerous deeply sunken primary lateral veins, and long-pedunculate inflorescences with pendent, very elongated, slender, pale green spadices and greenish yellow berries.
A list of type specimens of Cactaceae names in the collection of the Bolivian botanist Martín Cárdenas (1899–1973) deposited in the herbarium of the Instituto Miguel Lillo in San Miguel de Tucumán, Argentina, is provided. Biographical data, unresolved questions concerning the fate of the Cárdenas collections and incongruences concerning the collecting dates are briefly discussed. Of the 176 specific and 18 infraspecific names published from Cárdenas's material of Cactaceae, a total of 73 type specimens was located at LIL. The fate of the missing specimens remains unknown.
69 lichen species are recorded as new to Rwanda. Catillaria alba, Chaenotheca stemonea and Parmotrema neotropicum are new to Africa, Caloplaca ferruginea to tropical Africa. Cetrariastrum vexans previously has only been reported from Mt Kenya; for Ramalina roesleri it is the second known locality in Africa. A short history of the lichenological exploration as well as an overview of the vegetation of Rwanda is presented.
The genus Prorocentrum was published by C. G. Ehrenberg in 1834 from the Baltic Sea. P. micans, the type of the name of the genus by monotypy, and the scarcely known P. viride are illustrated and lectotypified.