Joel Calvo
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View article: A replacement name for Helichrysum lanuginosum (Compositae)
A replacement name for Helichrysum lanuginosum (Compositae) Open
View article: Notes from the editors
Notes from the editors Open
View article: A new species and a new synonym in Peruvian Senecio (Compositae)
A new species and a new synonym in Peruvian Senecio (Compositae) Open
The species Senecio contumazensis sp. nov. from the southern department of Cajamarca, in northwestern Peru, is described herein. It shows morphological affinities with species of the Senecio series Otopteri, especially with the Bolivian Se…
View article: On the genus Dendrophorbium (Compositae) in Ecuador: a new species and identification key
On the genus Dendrophorbium (Compositae) in Ecuador: a new species and identification key Open
Calvo, Joel, Pérez, Álvaro J. (2023): On the genus Dendrophorbium (Compositae) in Ecuador: a new species and identification key. Candollea 78 (2): 91-97, DOI: 10.15553/c2023v782a1, URL: http://dx.doi.org/10.15553/c2023v782a1
View article: Novelties from the Northern Mountains Complex of Madagascar VII: A new species of Senecio L. (Compositae)
Novelties from the Northern Mountains Complex of Madagascar VII: A new species of Senecio L. (Compositae) Open
Calvo, Joel, Callmander, Martin W. (2023): Novelties from the Northern Mountains Complex of Madagascar VII: A new species of Senecio L. (Compositae). Adansonia (3) 45 (16): 279-283, DOI: 10.5252/adansonia2023v45a16
View article: Synopsis of Humbertacalia (Compositae), a genus endemic to Madagascar and Réunion
Synopsis of Humbertacalia (Compositae), a genus endemic to Madagascar and Réunion Open
Rabarimanarivo, Marina N., Callmander, Martin W., Calvo, Joel (2023): Synopsis of Humbertacalia (Compositae), a genus endemic to Madagascar and Réunion. Adansonia (3) 45 (7): 93-113, DOI: 10.5252/adansonia2023v45a7
View article: On the taxonomic identity of five Senecio species (Compositae) described by Candolle on material collected by Haenke during the Malaspina Expedition
On the taxonomic identity of five Senecio species (Compositae) described by Candolle on material collected by Haenke during the Malaspina Expedition Open
Calvo, Joel, Granda, Arturo (2022): On the taxonomic identity of five Senecio species (Compositae) described by Candolle on material collected by Haenke during the Malaspina Expedition. Candollea 77 (2): 145-158, DOI: 10.15553/c2022v772a2,…
View article: On the original material of Senecio dombeyanus (Compositae), an interesting case linking the herbaria G, MA, and P
On the original material of Senecio dombeyanus (Compositae), an interesting case linking the herbaria G, MA, and P Open
The name Senecio dombeyanus DC. has disparately been treated over time depending on the authors because of the uncertainty concerning the provenance of the original material, which was collected during the “Expedición Botánica al Virreinat…
View article: Sobre la identidad de la especie andina Senecio bonplandianus (≡ Cacalia cinerarioides)
Sobre la identidad de la especie andina Senecio bonplandianus (≡ Cacalia cinerarioides) Open
La especie Senecio bonplandianus ha sido malinterpretada o desatendida durante mucho tiempo probablemente debido a la incertidumbre acerca de la procedencia del material tipo indicado en el protólogo. Se clarifica aquí su taxonomía y se tr…
View article: Contributions to the Andean Senecioneae (Compositae). Taxonomic novelties for Peru (VII)
Contributions to the Andean Senecioneae (Compositae). Taxonomic novelties for Peru (VII) Open
In the framework of the Andean Senecioneae, the species Monticalia nitida, Senecio apolobambensis, and S. josei are added as new records to the Peruvian flora. The following names are synonymized: Senecio tergopurpureus with Dendrophorbium…
View article: On the original material of two austral American Senecio species (Compositae) collected during British naval expeditions in 1828, now located in the herbarium of Geneva
On the original material of two austral American Senecio species (Compositae) collected during British naval expeditions in 1828, now located in the herbarium of Geneva Open
Calvo, Joel (2021): On the original material of two austral American Senecio species (Compositae) collected during British naval expeditions in 1828, now located in the herbarium of Geneva. Candollea 76 (2): 261-267, DOI: 10.15553/c2021v76…
View article: Senecio alatopetiolatus (Compositae), una nueva cita para la flora colombiana
Senecio alatopetiolatus (Compositae), una nueva cita para la flora colombiana Open
Senecio alatopetiolatus se cita por primera vez en Colombia. Se incluye una discusión de su variabilidad morfológica y se aportan fotografías de plantas en su hábitat.
View article: Pentacalia gonocaulos (Asteraceae, Senecioneae), new combination for a species from Peru
Pentacalia gonocaulos (Asteraceae, Senecioneae), new combination for a species from Peru Open
On the basis of the revision of the original material and protologues, as well as the study of all the specimens at our disposal, Senecio gonocaulos DC. is transferred to the genus Pentacalia and the name P. poeppigiana A.Granda is include…
View article: Nomenclatural adjustments in two South American species of Senecio (Compositae, Senecioneae)
Nomenclatural adjustments in two South American species of Senecio (Compositae, Senecioneae) Open
After the monographic revision of the genus Senecio Linnaeus (1753: 866) from Chile by Cabrera (1949), several nomenclatural adjustments were made (Jeffrey 1992, Soldano 1998, Calvo 2020, Wu et al. 2020). Herein, we point out the illegitim…
View article: Two new species of Senecio (Compositae, Senecioneae) from Peru
Two new species of Senecio (Compositae, Senecioneae) from Peru Open
Two new species of Senecio are described from Peru. One thrives in the high Andes of the southeastern department of Lima and the other one occurs in the lomas vegetation of southern Ica. Both species are compared with the morphologically c…
View article: Nomenclatural adjustments, new synonyms, and typifications in Senecio (Compositae) of the Chilean flora
Nomenclatural adjustments, new synonyms, and typifications in Senecio (Compositae) of the Chilean flora Open
Thus far, the genus Senecio L. in Chile has only been thoroughly revised by the Argentinian botanist Cabrera, who published a monograph in 1949. He treated 11 names as dubious, 10 of which have remained unresolved until now. Herein, the ta…
View article: Taxonomic revision of the Andean genus Xenophyllum (Compositae, Senecioneae)
Taxonomic revision of the Andean genus Xenophyllum (Compositae, Senecioneae) Open
The Andean genus Xenophyllum (Compositae, Senecioneae) is distributed along the high-Andes from northeastern Colombia to northern Chile and northwestern Argentina, mainly thriving in the paramo and puna ecoregions. It comprises suffruticos…
View article: Taxonomic study of the genus Oritrophium (Astereae, Compositae) in Ecuador
Taxonomic study of the genus Oritrophium (Astereae, Compositae) in Ecuador Open
Oritrophium (Kunth) Cuatrec. is a neotropical genus with a disjunct distribution in the Andes (Bolivia, Colombia, Ecuador, Peru, and Venezuela), the center of Mexico, and the mountains of the Guiana Shield in Venezuela, with a remarkable d…
View article: Taxonomic Revision of the Neotropical Genus Werneria (Compositae, Senecioneae)
Taxonomic Revision of the Neotropical Genus Werneria (Compositae, Senecioneae) Open
Werneria is a neotropical genus belonging to the tribe Senecioneae (Compositae) that is mainly distributed through the highlands of the Andes. Only a single species, W. nubigena, has a trans-Andean distribution and reaches the Tacaná Volca…
View article: Taxonomic Revision of the Neotropical Genus Werneria (Compositae, Senecioneae)
Taxonomic Revision of the Neotropical Genus Werneria (Compositae, Senecioneae) Open
Werneria is a neotropical genus belonging to the tribe Senecioneae (Compositae) that is mainly distributed through the highlands of the Andes. Only a single species, W. nubigena, has a trans-Andean distribution and reaches th…
View article: Carex divisa, una nueva ciperácea naturalizada en Chile
Carex divisa, una nueva ciperácea naturalizada en Chile Open
Carex divisa se registra por primera vez en Chile. Se incluye una discusión taxonómica para su apropiada determinación.
View article: Senecio festucoides (Senecioneae, Compositae), a new species from northern Chile
Senecio festucoides (Senecioneae, Compositae), a new species from northern Chile Open
Senecio festucoides is described from northern Chile. The new species is morphologically similar to the discoid caespitose Andean species and belongs to the subgroup displaying yellow corollas and yellowish anthers and style branches. It i…
View article: Two new species of Werneria from Peru and re-circumscription of W. weberbaueriana (Compositae, Senecioneae)
Two new species of Werneria from Peru and re-circumscription of W. weberbaueriana (Compositae, Senecioneae) Open
Two new species of Werneria (Compositae, Senecioneae) are described from the highlands of central Peru on the basis of morphological evidence, namely W. huascarana and W. rockhauseniana. In addition, the misinterpreted taxonomic entity W. …
View article: Two new species of the Andean genus Xenophyllum (Senecioneae, Compositae)
Two new species of the Andean genus Xenophyllum (Senecioneae, Compositae) Open
Two new species of Xenophyllum are described from the Andes, X. funkianum sp. nov. from Ecuador and X. lorochaqui sp. nov. from northwestern Argentina. Both species are compared with the morphologically closest taxa and useful characters f…
View article: Contributions to the Andean Senecioneae (Compositae), part IV: Three new records for the flora of Bolivia
Contributions to the Andean Senecioneae (Compositae), part IV: Three new records for the flora of Bolivia Open
Three new species belonging to the tribe Senecioneae Cass. are recorded for the first time in Bolivia: Senecio jujuyensis Cabrera, Senecio moqueguensis Montesinos, and Werneria microphylla H.Beltrán & S.Leiva. Taxonomic discussions and dis…
View article: Contributions to the Andean Senecioneae (Compositae), part III: A new species of Senecio from northern Chile
Contributions to the Andean Senecioneae (Compositae), part III: A new species of Senecio from northern Chile Open
A new species of Senecio L. from northern Chile is described on the basis of morphological evidence. It is a caespitose species characterized by displaying vertical hypogeous stems, fleshy spatulate leaves, subentire or distantly and shall…
View article: New combinations and synonyms in discoid caespitose Andean Senecio (Senecioneae, Compositae)
New combinations and synonyms in discoid caespitose Andean Senecio (Senecioneae, Compositae) Open
The names Werneria melanandra and W. pygmophylla are transferred to the genus Senecio . They belong to the group of the discoid caespitose Andean Senecio , specifically to the subgroup with blackish anthers and style branches and whitish c…
View article: Senecio carhuanishoensis H.Beltrán & J.Calvo sp. nov. (Asteraceae, Senecioneae), a new species from central Peru
Senecio carhuanishoensis H.Beltrán & J.Calvo sp. nov. (Asteraceae, Senecioneae), a new species from central Peru Open
A new species of Senecio L. from the central Andes of Peru, S. carhuanishoensis H.Beltrán & J.Calvo sp. nov., only known from the Laraos District (Yauyos, Lima), is described and illustrated. It is a suffrutescent, rupicolous plant with th…
View article: New combinations and synonyms in discoid caespitose Andean Senecio (Senecioneae, Compositae)
New combinations and synonyms in discoid caespitose Andean Senecio (Senecioneae, Compositae) Open
This dataset contains the digitized treatments in Plazi based on the original journal article Calvo, Joel, Granda, Arturo, Funk, Vicki A. (2019): New combinations and synonyms in discoid caespitose Andean Senecio (Senecioneae, Compositae).…
View article: NUEVAS ADICIONES A LA FLORA INTRODUCIDA DE CHILE
NUEVAS ADICIONES A LA FLORA INTRODUCIDA DE CHILE Open
Fumaria muralis (Papaveraceae) and Lathyrus latifolius (Leguminosae) are recorded for the first time in Chile as alien species.Detailed pictures of both species are provided, together with keys to the species of Fumaria and Lathyrus in Chi…