Sida rhombifolia Linnaeus (1753: 684)
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publication ID |
https://doi.org/ 10.11646/phytotaxa.542.2.1 |
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DOI |
https://doi.org/10.5281/zenodo.6415560 |
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persistent identifier |
https://treatment.plazi.org/id/8F4F879B-0B62-1653-78DD-FD5425C5FA0D |
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treatment provided by |
Plazi |
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scientific name |
Sida rhombifolia Linnaeus (1753: 684) |
| status |
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17. Sida rhombifolia Linnaeus (1753: 684) View in CoL ( Figures 9F–J View FIGURE 9 , 10 View FIGURE 10 , 14P View FIGURE 14 ).
Lectotype designated by Rodrigo 1944: t. 28):— “Habitat in India utraque, rhombifolia. 2”, s.d., s.c., s.n. (LINN 866.3! [digital image], isolectotype S).
Taxonomic notes: —The species can be distinguished from others in section Sidae ( Table 1 View TABLE 1 ) Series Sida by its stellate-puberulous or farinaceous indumentum, presence of 8–14 mericarps with two awns 2 mm long and without a basal prominence, bracts absent in the flowers, calyx puberulous without long simple trichomes, adaxial surface of leaves subglabrous only with sparse and small stellate trichomes ( Figures 9F–J View FIGURE 9 , 14P View FIGURE 14 ) ( Krapovickas 2014, Yoshikawa et al. 2019). Although Krapovickas (2014) stated that the petals of Sida rhombifolia do not have a red basal spot, individuals with this feature were observed in Rio Grande do Sul.
Distribution, habitat and conservation status: — Sida rhombifolia is a pantropical species almost cosmopolitan ( Krapovickas 2014, Brandão et al. 2017), extending into temperate zones ( Fryxell 1988, Brandão et al. 2017). In Rio Grande do Sul the species is also widely distributed, occurring in all regions ( Figure 10 View FIGURE 10 ), in ruderal environments and anthropized grasslands. For these reasons, the species is here considered Least Concern (LC).
Representative specimens: — BRAZIL. Rio Grande do Sul. Bagé , rio próximo à cidade, 04 April 1975, B . Irgang et al. s.n. ( ICN 027419 View Materials ) ; Caçapava do Sul, margem da BR-153, 26 April 2009, M . Grings 2058 ( ICN) ; Caxias do Sul, Bairro Nossa Senhora da Saúde , 12 April 2011, J . Gaio 21 ( HUCS); Fontoura Xavier, 696 m, WGS 84 28°55’12.5”S 052°21’28.2”W, 02 March 2019, M GoogleMaps . Grings 2023 ( ICN); Iraí, Balneário Osvaldo Cruz, 24 January 1990, A . Krapovickas & C. L . Cristóbal 43499 ( CTES, HAS); Júlio de Castilhos , na BR-392 estrada para Cruz Alta, 28 April 1988, N . Silveira et al.7228 ( HAS, ICN); Quaraí, Garopá, 14 January 1941, B . Rambo s.n. ( PACA 4175 About PACA ); Rio Grande, Estação Ecológica do Taim , March 1981, J. L . Waechter 1831 ( HAS); Santa Maria, Distrito de Santo Antão, Pedra do Lagarto , 230 m, WGS 84 29°37’38.52”S 53°52’25.40”W, 26 December 2018, M GoogleMaps . Grings et al. 2005 ( ICN); Uruguaiana, Campus Universitário da Unipampa , BR 472 , Km 585, 15 April 2011, H . S da Rosa s.n. ( ICN 167493 View Materials ); Vacaria, Parque de Rodeios , 27 April 2019, M . Grings 2031 ( ICN) .
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Botanischer Garten und Botanisches Museum Berlin-Dahlem, Zentraleinrichtung der Freien Universitaet |
| M |
Botanische Staatssammlung München |
| ICN |
Instituto de Ciencias Naturales, Museo de Historia Natural |
| J |
University of the Witwatersrand |
| A |
Harvard University - Arnold Arboretum |
| C |
University of Copenhagen |
| L |
Nationaal Herbarium Nederland, Leiden University branch |
| CTES |
Instituto de Botánica del Nordeste |
| HAS |
Fundação Zoobotânica do Rio Grande do Sul |
| N |
Nanjing University |
| H |
University of Helsinki |
| S |
Department of Botany, Swedish Museum of Natural History |
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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