Sida reitzii Krapovickas (2003: 107)

Grings, Martin & Boldrini, Ilsi Iob, 2022, Synopsis of Sida (Malvoideae, Malvaceae) in the state of Rio Grande do Sul, Brazil, Phytotaxa 542 (2), pp. 105-135 : 120

15. Sida reitzii Krapovickas (2003: 107) ( Figures 7J–O , 8 , 14N ).

Holotype:— BRAZIL. Santa Catarina. S. Amaro da Imperatriz, camino de Santo Amaro da Imperatriz a Fazenda Jomar, 20 m, 8 February 1994, Krapovickas y Cristóbal 44836 ( HBR!; isotypes CTES, G, MBM!, NY, SI, SP, HAS!).

Taxonomic notes: — Sida reitzii can be distinguished from other species of section Distichifoliae by the presence of 8–10 mericarps with longer aristae (2–4 mm long), staminal tube glabrous, abaxial surface of petals with small glandular trichomes, mericarps glabrous or with glandular trichomes, adaxial surface of leaves with simple adpressed trichomes, abaxial surface of leaves subglabrous with small stellate trichomes ( Figures 7J–O , 14N ; Table 1 ) ( Krapovickas 2003). In the present work, photos of the species in its habitat are presented for the first time

Distribution, habitat and conservation status: —According to Krapovickas (2003) the species occurs only in state of Santa Catarina, Brazil. Bovini (2020) also mentioned the species to the state of Rio de Janeiro, Brazil. This work presents the first record of the species for the state of Rio Grande do Sul, where it occurs in Tropical forest ( Figure 8 ), in edges or understory of Forests. With the available records, the species is here considered Least Concern (LC) with an EOO of 87,118.693 km ² and an AOO of 56 km ². Although it can be considered EN by the AOO, conditions B(a), B(b) and B(c) were not met.

Representative specimens: — BRAZIL. Rio Grande do Sul. Arroio do Sal, Balneário Rondinha Velha , 24 March 1989, M. G . Rossoni 134 ( ICN); Torres , perto aeroporto, 10 February 1984, K . Hagelund 14867 ( HAS, ICN); ibidem, em Itapeva, 17 November 1989, N . Silveira s.n. ( HAS 95645); ibidem, São Jacó, 26 February 1993, J. A Jarenkow 2337 ( PEL) .

Figures

FIGURE 7. A–E. Sida potentilloides. A. Flower. Adaxial surface of leaf. C. Abaxial surface of leaf. D. Branch with leaves, immature schizocarps and flower bud. E. Branch with leaves and mature schizocarps. F–J. Sida ramoniana. F. Abaxial surface of leaf indument. G. Calyx basis indument tomentose. H. Stem indument pubescent. I. Margin of leaf dentate-crenate. J–O. Sida reitzii. J. Habit. K. Schizocarps in terminal glomerules. L. Adaxial surface of leaf. M. Abaxial surface of leaf. N. Flower. O. Branch. Photographs A–I by Martin Grings (F–J from K. Hagelund 2228, HAS) and J–O by Luís Funez.

FIGURE 8. Distribution map of Sida riedelii, S. ramoniana, S. regnellii, S. reitzii and S. tuberculata in Rio Grande do Sul state, Brazil.

FIGURE 14. Mericarps. A. Sida anomala. B. Sida confusa. C. Sida farroupilhensis. D. Sida glaziovii. E. Sida cerradoensis. F. Sida cordifolia. G. Sida dubia. H. Sida linifolia. I. Sida lonchitis. J. Sida nemorensis. K. Sida paradoxa. L. Sida planicaulis. M. Sida potentilloides.N. Sida reitzii. O. Sida regnellii. P. Sida rhombifolia.Q. Sida riedelii. R. Sida rubifolia.S. Sida spinosa.T. Sida tuberculata. U. Sida urens. V. Sida viarum. Photographs by Martin Grings.