Abstract
Helietta hirsuta (Pilocarpinae, Galipeeae, Rutaceae), a new tree species from the dry forest remnants on the Caribbean coast of Colombia, is described, illustrated and compared with Helietta plaeana, whose name has been applied to trees found in Northeast Colombia. This new species is known from two populations in dry forest remnants in La Guajira department, and it is distinguished from the morphologically similar H. plaeana by having a pubescent full developed inflorescence longer than the leaves, rough hairs on the ovaries and puberulous young mericarps.
References
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<p>Pirani, J.R. (1998) A revision of <em>Helietta</em> and <em>Balfourodendron</em> (Rutaceae-Pteleinae). <em>Brittonia</em> 50 (3), 348–380. https://doi.org/10.2307/2807779</p>
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<p>Roemer, J.J. & Schultes, J.A. (1819) <em>Bumelia obtusifolia</em> Roemer & Schultes. <em>Systema vegetabilium: secundum classes, ordines, genera, species. Cum characteribus differentiis et synonymis</em>. Editio nova, speciebus inde ab editione XV. Detectis aucta et locupletata, 4: 802, Stuttgardtiae.</p>
<p>Sargent, C.S. (1890) <em>Bursera simaruba</em> Sargent. Notes on North American Trees. <em>Garden and Forest</em>; a Journal of Horticulture, Landscape Art and Forestry 3 (118): 260.</p>
<p>Stearn, W.T. (1986) <em>Botanical Latin</em>. David & Charles, North Pomfret, Vermont, 566 pp.</p>
<p>Thiers, B. (2023 continuously updated) <em>Index herbariorum: a global directory of public herbaria and associated staff</em>. New York Botanical Garden’s Virtual Herbarium. The New York Botanical Garden, Bronx, New York. [http://sweetgum.nybg.org/science/ih/]</p>
<p>Tulasne, L.R.E. (1847) Plantes nouvelles de la Colombie. <em>Annales des Sciences Naturelles; Botanique</em>, sér. 3 (7): 280–283.</p>
<p>Bentham, G. (1837) <em>Commentationes de Leguminosarum Generibus</em> 36. Zollinger, Vienna, 121 pp.</p>
<p>Brandegee, T.S. (1911) <em>University of California Publications in Botany</em> 4 (11): 182.</p>
<p>Chiang, F. (1984) A new species of <em>Helietta</em> (Rutaceae) from Guerrero and Jalisco, Mexico; A synopsis of the North American species. <em>Brittonia</em> 36: 455–457. https://doi.org/10.2307/2806605</p>
<p>Dugand, A. (1943) Revalidación de <em>Bombax ceiba</em> L. como especie típica del género <em>Bombax</em> L. y descripción de <em>Pseudobombax </em>gen. nov. <em>Caldasia</em> 2: 65–67. [https://www.jstor.org/stable/43405801]</p>
<p>ESRI (2020) ArcGIS Desktop: Release 10.8 Redlands, CA: Environmental System Research Institute.</p>
<p>Fries, K.R.E. (1907) Rutaceae. <em>In Bulletin de L’Herbier Boissier,</em> sér. 2, 7: 1001–1002.</p>
<p>Garralla, S.S, & Mautino, L.R. (2021) Morfología polínica de especies nativas de Rutaceae de Argentina. <em>Darwiniana, Nueva Serie</em> 9 (2): 282–292. https://doi.org/10.14522/darwiniana.2021.92.962</p>
<p>Groppo, M., Pirani, J.R., Salatino, M.L.F., Blanco, S.R. & Kallunki, J.A. (2008) Phylogeny of Rutaceae based on two noncoding regions from cpDNA. <em>American Journal of Botany</em> 95: 985–1005. https://doi.org/10.3732/ajb.2007313 </p>
<p>Groppo, M., Bruniera, C.P., Ferreira, P.L., Ferreira, C., Pirani, J.R. & Kallunki, J.A. (2017) <em>Phylogeny and delimitation of Galipeeae (Rutaceae, Sapindales) based on molecular data: insights on the evolution of zygomorphic flowers and staminodes</em>. XIX international botanical congress, Shenzhen, China.</p>
<p>Groppo, M., Afonso, L.F. & Pirani, J.R. (2022) A review of systematics studies in the <em>Citrus </em>family (Rutaceae, Sapindales), with emphasis on American groups. <em>Brazilian Journal of Botany </em>45: 181–200. https://doi.org/10.1007/s40415-021-00784-y</p>
<p>Hemsley, W.B. (1878) <em>Diagnoses plantarum novarum vel minus cognitarum Mexicanarum et Centrali-Americanarum</em> 1, Taylor & Francis, London. https://doi.org/10.5962/bhl.title.60211</p>
<p>Hooker, G. (1882) <em>Hooker’s Icones Plantarum</em> 14: 66.</p>
<p>Jacquin, N.J. (1760) <em>Enumeratio Systematica Plantarum, Quas in Insulis Caribaeis Vicinaque Americes Continente Detexit Novas, Aut Jam Cognitas Emendavit.</em> Leiden. https://doi.org/10.5962/bhl.title.100687</p>
<p>Kubitzki, K., Kallunki, J.A., Duretto, M. & Wilson, P.G. (2011) Rutaceae. <em>In</em>: Kubitzki, K. (Ed.) <em>The families and genera of vascular plants. Vol. X. Flowering plants. Eudicots. Sapindales, Cucurbitales, Myrtaceae.</em> Heidelberg: Springer, pp. 276–356. https://doi.org/10.1007/978-3-642-14397-7_16</p>
<p>Kunth, K.S. (1821) <em>Acacia viridiflora</em> Kunth. <em>Mimoses et autres plantes légumineuses du Nouveau Continent, recueillies par M.M. de Humboldt et Bonpland, décrites et publiées par Charles Sigismund Kunth,</em> Paris, 81–83, pl. 25. https://doi.org/10.3931/e-rara-68294</p>
<p>Kunth, K.S. (1825) <em>Nova Genera et Species Plantarum </em>(in quarto edition), Part 7, Librariae Graeco-Latino-Germanico, Paris, 506 pp.</p>
<p>Lawrence, G.H.M. (1951) <em>Taxonomy of vascular plants</em>, The Macmillan Company, New York, 823 pp.</p>
<p>Linnaeus, C. (1753) <em>Species Plantarum </em>2. Holmiae, Imprensis Laurentii Salvii, 1200 pp.</p>
<p>Müller-Argoviensis, J. (1860) Apocynaceae. <em>In</em>: Martius, C.F.P. (Ed.) <em>Flora brasiliensis</em>, vol. 6, part. 1. F. Fleischer, Leipzig, pp. 1−195.</p>
<p>Oliver, D. (1877) <em>Balfourodendron eburneum</em>, Méllo. <em>Hooker’s Icones Plantarum</em> 13: 3–4.</p>
<p>Pennington, T.D. (1990) <em>Flora Neotropica Monograph</em> 52. Sapotaceae. The New York Botanical Garden, New York, 770 pp.</p>
<p>Pirani, J.R. (1998) A revision of <em>Helietta</em> and <em>Balfourodendron</em> (Rutaceae-Pteleinae). <em>Brittonia</em> 50 (3), 348–380. https://doi.org/10.2307/2807779</p>
<p>POWO (2023) <em>Plants of the World Online</em>. Royal Botanic Gardens, Kew. Available from: http://www.plantsoftheworldonline.org/ (accessed 8 February 2023)</p>
<p>Ribeiro, P.G., Luckow, M., Lewis, G.P., Simon, M.F., Cardoso, D., de Souza, É.R., Conceição Silva, A.P., Jesus, M.C., dos Santos, F.A.R., Azevedo, V. & de Queiroz, L.P. (2018) <em>Lachesiodendron</em>, a new monospecific genus segregated from <em>Piptadenia</em> (Leguminosae: Caesalpinioideae: mimosoid clade): Evidence from morphology and molecules. <em>Taxon</em> 67: 37–54. https://doi.org/10.12705/671.3</p>
<p>Roemer, J.J. & Schultes, J.A. (1819) <em>Bumelia obtusifolia</em> Roemer & Schultes. <em>Systema vegetabilium: secundum classes, ordines, genera, species. Cum characteribus differentiis et synonymis</em>. Editio nova, speciebus inde ab editione XV. Detectis aucta et locupletata, 4: 802, Stuttgardtiae.</p>
<p>Sargent, C.S. (1890) <em>Bursera simaruba</em> Sargent. Notes on North American Trees. <em>Garden and Forest</em>; a Journal of Horticulture, Landscape Art and Forestry 3 (118): 260.</p>
<p>Stearn, W.T. (1986) <em>Botanical Latin</em>. David & Charles, North Pomfret, Vermont, 566 pp.</p>
<p>Thiers, B. (2023 continuously updated) <em>Index herbariorum: a global directory of public herbaria and associated staff</em>. New York Botanical Garden’s Virtual Herbarium. The New York Botanical Garden, Bronx, New York. [http://sweetgum.nybg.org/science/ih/]</p>
<p>Tulasne, L.R.E. (1847) Plantes nouvelles de la Colombie. <em>Annales des Sciences Naturelles; Botanique</em>, sér. 3 (7): 280–283.</p>