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I am interested in flora, either in the Mediterranean region and around the world, but particularly in invasive plants. At this moment my main efforts are focused on undertaking my PhD thesis about the alien plants that we found in the Iberian Mediterranean Basin.
The genus Kalanchoe, mostly indigenous from Madagascar and Tropical Africa, is widely traded for ornamental value. In this study, we provided an updated list of wild and cultivated Kalanchoe taxa in Ecuador; we analyzed the temporal–spatial pattern of their records, and we categorized the invasion status for each taxon and its environment preferenc...
Invasive alien species are currently considered one of the main threats to global biodiversity. One of the most rapidly expanding invasive plants in recent times is Kalanchoe × houghtonii (Crassulaceae), an artificial hybrid created in the 1930s in the United States by experimental crossings between K. daigremontiana and K. tubiflora, two species e...
Challenges in the collection of vouchers, either because of the physical properties of the material (species difficult to collect or to press, e.g., palms, cycads, toxic plants, and cacti) or because drying may have a negative effect on taxonomic characters (e.g., colour), recommend the use of photographs to complement herbarium specimens. In a ser...
Muchas especies del género Kalanchoe se cultivan ampliamente por su valor ornamental, hecho que junto a la alta capacidad de muchas de ellas a naturalizarse ha causado que algunas crezcan en zonas geográficas distantes de sus áreas de distribución natural. En los últimos 65 años el número de especies de Kalanchoe reportadas para Cuba ha ascendido d...
Recent field work in the province of Tarragona (NE Spain, Catalonia) yielded several new records of non-native vascular plants. Cenchrus orientalis, Manihot grahamii, Melica chilensis and Panicum capillare subsp. hillmanii are probably reported for the first time from Spain, Vitis ×ruggerii are reported for the first time from the province of Tarra...
We provide the first records of five non-native vascular plants for Europe—Commelina erecta, Cylindropuntia fulgida, Dasylirion serratifolium, xGraptosedum and Senecio crassissimus, two for the Iberian Peninsula—Lobelia laxiflora subsp. angustifolia and Pennisetum flaccidum, and four for Catalonia— Dimorphotheca fruticosa, xGasteraloe beguinii, Opu...
Aportamos nuevos datos de ocho plantas alóctonas en Cataluña: Aeonium arboreum Webb & Berthel., A. haworthii Webb & Berthel., Cotyledon orbiculata L., Crassula multicava Lem., C. ovata (Mill.) Druce, Graptopetalum paraguayense (N. E. Br.) E. Walther, Hylocereus undatus (Haw.) Britton & Rose y Petunia hybrida hort. ex E. Vilm. ABSTRACT: We provide n...
Resum Presentem cites de 34 plantes aŀlòctones trobades a Catalunya i al País Valencià fruit principalment del treball de camp dut a terme en aquests territoris. Com a novetats, en citem dues per a Europa-Agave albomarginata i Euryops chrysanthemoides × E. pectinatus-, cinc per a la península Ibèrica-Opuntia chlorotica, Ptelea trifoliata, Rosa mult...
Recent studies on the Opuntia humifusa complex allow us to review the identity of plants called O. humifusa (Raf.) Raf. in Catalonia. All the studied plants of the O. humifusa complex from this area exhibit the same morphological characteristics (mainly the thickness of the spines, the number of areoles and the seed form) as O. mesacantha Raf. subs...
In this contribution we provide new records of 20 non-native vacular plants for Barcelona province observed between 2014 and 2016. The following taxa are new for Europe: Baccharis salicifolia, Enneapogon cenchroides, Lonicera fragrantissima, Porophyllum ruderale subsp. ruderale and Selenicereus grandiflorus; three are first records for the Iberian...
Resum Aquest article inclou dades per a 67 tàxons, 25 dels quals són nous per a la flora de les Illes Balears: Agave fourcroydes, Amaranthus emarginatus, Asparagus aethiopicus, Bidens pilosa, Cardiospermum grandiflorum, C. halicacabum, Cotyledon orbiculata, Eschscholzia californica, Freesia leichtlinii subsp. alba, Gomphocarpus physocarpus, Gossyp...
We provide new records of 17 exotic plants in the Baix Llobregat region observed between the years 2011 and 2014. Two species are the first records for Europe: Acacia rostellifera Benth. and Trichloris crinita (Lag.) Parodi; two are new plants for the Iberian Peninsula: Bouteloua dactyloides (Nutt.) Columbus and Nassella tenuissima (Trin.) Barkwort...
This paper deals with 67 taxa, 25 of which are new to the Balearic Islands flora: Agave fourcroydes, Amaranthus emarginatus, Asparagus aethiopicus, Bidens pilosa, Cardiospermum grandiflorum, C. halicacabum, Cotyledon orbiculata, Eschscholzia californica, Freesia leichtlinii subsp. alba, Gomphocarpus physocarpus, Gossypium hirsutum, Hedera hibernica...
The project BioBlitz Barcelona is held once a year. From 2010 up to now the BioBlitz BCN has assembled experts and citizens in order to survey the biodiversity in several areas of the city of Barcelona, mainly in urban parks. At the beginning the Natural History Museum of Barcelona and the University of Barcelona have coordinated the tasks. At the...
Phytogeographical sectors of the Catalan Countries based on the distribution of vascular plants. By: Xavier Font Castell, Carlos Gómez Bellver, Josep Vigo Bonada. Departament de Biologia Vegetal, Universitat de Barcelona, Spain. Diagonal Sud, Facultat de Biologia, DIAGONAL, 643. 08028 BARCELONA. email@example.com; firstname.lastname@example.org;email@example.com A...
Some authors thought that the total lack of seeds respond mainly to hybridations. But we can consider the possible assumption that this phenomenon coud be caused by repetitive processes of cloning as well. If this was plausible, it would be possible that the fruit production was reversed naturaly to a fertile ones?
I saw some Opuntia species as non native plants in my area with all the fruits without any seed. I would like to know if is it possible that this plants are able to recover the fertile fruit production in a short o middle term.
Thank you in advance.
Due to my work, I regularly consult databases such as The Plant List, Euro Med Plant, Catalogue of Life, and many other references. I understand the complexity of botanical nomenclature, but sometimes I find astonishing cases like Buchloe dactyloides (Nutt.) Engelm.
TPL gives this name with full guarantee:
So does Catalogue of Life:
Otherwise, in some databases I find that the accepted name is Bouteloua dactyloides (Nutt.) Columbus:
Euro Med Plant:
However, the reference given by TPL and Catalogue of life is the same, and the name accepted is Bouteloua: Checklist of Selected Plant Worls families (Kew databases)
This potential error can be trasferred to successive databases if we don't check the original source before .
I would greatly appreciate your point of view, both in the particular case of Buchloe as well as your general comments.
In The Plant List, under the same name, we can find two species with different author:
If anyone knows more about the subject, I would appreciate your point of view.
It's well known that the most effective way to manage the problem of biological invasions is prevention. However, in some cases, an exotic taxon is widely (even rapidly) distributed in the new territory: in this case may be somewhat ineffective or futile the effort to try to eradicate it.
In reference to invasive plants, I would appreciate some reference or information about the case as I've just described above: plants whose eradication has been rejected due to its wide distribution makes it ineffective.
Although it is easy to access partial guides such as Flora of China (http://flora.huh.harvard.edu/china//PDF/PDF12/Abutilon.pdf ) and others, I need one that covers the largest number of species (and subspecies and varieties). At this stage I am mainly interested in ornamental Abutilon species in Europe.
I think that the next pictures are related to Abutilon hybridum, but confirmation will be appreciated. The foliar dermis presents stellate trichomes.
Upper and lower side of the leaf, flower and general view.
Around my area (NE Mediterranean coast) you can find a red flower cactus whose description matches with Opuntia ficus-indica (L.) Mill. However, I have found some cases where it has yellow flowers. In both cases, all other morphological traits are quite similar.
Opuntia ficus-indica (L.) Mill., O. maxima Mill. and O. paraguayensis K. Schum. are considered synonyms according to some authors. Today, The Plant List separates the three taxa:
Considering the complexity of the group, I wonder if only because of the different color of the flower, in the case described, might be considreed two separated species, or just two varieties of O. ficus-indica.
I must also say that the name O. paraguayensis has been misapplied as a synonym of O. elata. This aspect is discussed in the following two papers (Leuenberger, 2001) and (Pyke, 2008):
At this moment my main efforts are focused on undertaking my PhD thesis about the alien plants that we found in the North and Central Iberian Mediterranean Basin, with special attention to the succulent plants. The core of this work is based on three principal goals: A deep updating of the alien plants checklist, gather all precise information about them and make a taxonomic revision of this group.