Una nueva especie del género Chomelia (Rubiaceae, Guettardeae) en México

Abstract A new species of Chomelia is described; at this time it has been collected only at the type locality. It is similar to the Mexican-Mesoamerican species Chomelia longituba (Borhidi) Borhidi, but can be easily distinguished by the position of the inflorescence, by the form of the stigma lobes and the size of the fruit

Estudios sobre las Rubiáceas de México, LII

Abstract The Randia sepium is an extremely interesting species with its coriaceous medium-sized leaves glabrous and brilliant on both sides with 4–7 pairs of secondary nerves and terminal inflorescences, with medium-sized hirsute flowers and pubescent corolla lobes on both sides not having closely related taxon in the Mexican and Mesoamerican flora. All Randia species of these areas having coriaceous shiny leaves — e.g. R. cookii and R. chiapensis — are thorny small-leaved, nerveless, small-flowered ones with small glabrous, axillary or terminal solitary flowers. It is notable for its use, since it is applied as living fence in Chiapas (Mexico)

Psychotria inegi, una especie nueva en Jalisco (México)

Abstract The new Psychotria species belongs to the panamensis-mexiae complex with its large long deciduous ferrugineous terminal stipules, but differs from them by having shorter inflorescence, 2–3 times larger flowers, smaller leaves and less numerous secondary nerves. It is of allopatric distribution being endemic to Jalisco state, while the area of P. mexiae Standl. extends from Veracruz to Costa Rica and the populations of P. panamensis Standl. are found from Veracruz to Colombia

Emlékeim Vánky Kálmánról (1930–2021)

Az írásban a szerző Vánky Kálmánnal 1956 óta történt személyes találkozásaik felidézésével emlékezik az üszöggombák Székelyföldről Svédországba elszármazott, majd Németországba költözött világhírű kutatójára, a Magyar Tudományos Akadémia tiszteleti tagjára

Estudios sobre las Rubiáceas de México, L

Abstract The new Guettarda species of Oaxaca (Mexico) is related to G. foliacea Standl. of a distribution from Tabasco and Chiapas to Panama, but differs by having long acuminate and falcate leaves with lineolate quaternary nerves on the abaxial surface, inflorescences with very short ovate and glabrous bracteoles and much shorter flowers with 8–9 mm long corolla tube

Molekuláris és morfotaxonómiai kutatások a Rubiaceae család növényein = Molecular and morpho-taxonomical studies in the Rubiaceae family

A projektet megelőző kutatási időszak eredményeit az Akadémiai Kiadónál 2006-ban megjelent Rubiáceas de México című flóraműben 512 oldalon összegeztük. Az új projekt keretében 75 a tudományra új növényfajt fedeztünk fel és írtunk le, ami a tervidőszak összes felfedezésének 89%-a. A molekuláris és mikromorfológiai vizsgálatok kombinált alkalmazásával: 1) kimutattuk és leírtuk a Rondeletia tribusz egy a tudományra új genuszát a Rondeletia komplex Donnellyanthus Borhidi nevű nemzetségét. 2) Igazoltuk a Deppea komplex korábban általunk javasolt felosztását Bellizinca, Csapodya, Deppea, és Edithea nemzetségekre, és 3) Felfedeztük és leírtuk a Deppea komplex egy ötödik új nemzetségét, a 4 fajt tartalmazó Deppeopsis Borhidi & Stranczinger nevű génuszt. 4) Kimutattuk, hogy a Renistipula nemzetség nem a Rondeletieae, hanem a Hamelieae tribuszba tartozik. 5) A bizonytalan rendszertani helyzetű Hedyotis serpyllaceus Schltdl. részére felállítottuk az új Terrellianthus nemzetséget. 6) A kis fehér, bozontosvirágú Bouvardia fajokat (5 faj) egy új nemzetségbe vontuk össze Martensianthus néven Új taxonjainkat (8 nemzetség és 75 faj) a Kew Index érvényesnek elfogadta és katalogizálta. Az új eredmények 3 könyben és 49 cikkben jelentek meg. 2012 július 10-én megjelent a Rubiáceas de México 2. bővitett kiadása 608 oldalon 127 ábrával az Akadémiai Kiadónál. | The results obtained before the project started were summarized in the flora work Rubiáceas de México, in 2006, edited by the Akadémiai Kiadó on 512 pages. In the frame of the new project 75 new plant species were detected and described, 89% of all the discoveries realized in the period. Using combined application of molecular and micro-morphological methods 1) we documented and described the Donnellyanthus Borhidi genus new to science of the Rondeletieae tribe; 2) our results proved right the subdivision of the Deppea s.l. into Bellizinca, Csapodya, Deppes s.str. and Edithea genera proposed earlier by us; 3) we discovered and described a new genus of the Deppea-complex named as Deppeopsis Borhidi & Stranczinger with 4 species; 4) we demonstrated that the Renistipula genus belong to the Hamelieae tribe instead of Rondeletieae; 5) we established the new Terrellianthus genus for finding a correct taxonomic placement for the Hedyotis serpyllaceus Schltdl. of uncertain position; 6) for 5 Bouvardia species having special small white hairy flowers we established a new genus named as Martensianthus. All our new taxa (8 genera and 75 species) have been registered as valid ones by the Kew Index; The new results were published in 3 books and 49 papers and in the 2. amplified edition of the Rubiáceas de México on 608 pages with 127 figures by the Akadémiai Kiadó, 2012, Budapest

Nuevos resultados de la revisión taxonómica de los géneros Palicourea y Psychotria (Rubiaceae, Psychotrieae) en Cuba

The authors carried out a taxonomic study and revised and identified about 7,000 herbarium sheets of the genera Palicourea and Psychotria preserved in the collections of the Academy of Sciences of Cuba (HAC) and of the National Botanical Garden of Cuba (HAJB) with the purpose to complete the manuscript in preparation for the volume of the Rubiaceae Family of the Flora of Cuba. The results are as follows: Recognized 20 species of the genus Palicourea and 59 species of Psychotria. Revalidated 4 species new to the Flora of Cuba: Palicourea brachystigma Urb., Psychotria brevinodis Urb., Psychotria earlei Urb. and Psychotria tubulocubensis Govaerts. Established 3 new combinations: Palicourea ekmanii (Urb.) Borhidi et Oviedo, Palicourea odorata (Wr. ex Griseb.) Borhidi et Oviedo and Psychotria costivenia subsp. clementis (Britt.) Borhidi et Oviedo. Recognized and described 9 species and 1 subspecies of the genus Psychotria new to science: P. bissei Borhidi et Oviedo, P. brittonii Oviedo et Borhidi, P. ermitensis Borhidi et Oviedo, P. cromophila Oviedo et Borhidi, P. oblongicarpa Borhidi et Oviedo, P. pulchrinervis Borhidi et Oviedo, P. reflexiloba Borhidi et Oviedo, Psychotria reflexipes Borhidi et Oviedo, Psychotria rubens Borhidi et Oviedo, Psychotria costivenia subsp. wrightiana Borhidi et Oviedo. Following the concept of C. W. Hamilton (1989) recognised 10 species groups, 5 of them identical with the described ones from Mexico and Central America: the carthagenensis group with 4 species, the costivenia group with 10 species, the graciliflora group with 9 species, the nervosa group with 3 and the tenuifolia group with 1 species. Furthermore, the authors established 5 new groups, characteristic for the Greater Antillean flora: cathetoneura group with 4 species, the evenia group with 7 species, the lasiophthalma group with 4 species, the revoluta group with 10 species and the shaferi group with 9 species