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59 results for “Malvoideae”
An update on Quararibea floribunda (Malvaceae: Malvoideae): untangling the taxonomy and geographic distribution
<p>Quararibea floribunda, a species endemic to Brazil, is poorly studied taxonomically, and little is known about its ecology and conservation status. Since its publication in 1842, only a few studies have reported on its morphological circumscription, thus remaining as a complex in the taxonomy of Quararibea. In addition, little is known about its geographic distribution, which, according to most authors, is restricted to the Cerrado Biome, a phytogeographic biome of dry forests. Therefore, we herein review and clarify the morphological circumscription and distribution of Q. floribunda in different vegetation types, designate a lectotype, and recognize its conservation status as Vulnerable (VU). The present study is based on analysis of protologues and further pertinent literature. Several herbaria were consulted, both in person and online. Fieldwork was done between 2017 and 2020 in different locations of midwestern and southeastern Brazil, mainly in dry forests of the Cerrado Biome. We confirm that Q. floribunda also occurs in the Atlantic Forest Biome and that it is not exclusive to the Cerrado Biome, as previously thought. All known populations in this biome inhabit humid habitats, and as such, they are closer to the vegetation of the Atlantic Forest Biome than the typical Cerrado dry forests. In addition to assessing the conservation status of Q. floribunda, we evaluate its nomenclatural history, leading to the designation of a lectotype, finally highlighting vegetative and floral diagnostic characters. A distribution map is provided, as well as a morphological comparative analysis between species with foliar domatia in extra-Amazonian Brazil.</p>
Untangling the taxonomy and geographic distribution of Quararibea floribunda (Malvaceae: Malvoideae)
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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 in Synopsis of Sida (Malvoideae, Malvaceae) in the state of Rio Grande do Sul, 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.
FIGURE 8 in Synopsis of Sida (Malvoideae, Malvaceae) in the state of Rio Grande do Sul, Brazil
FIGURE 8. Distribution map of Sida riedelii, S. ramoniana, S. regnellii, S. reitzii and S. tuberculata in Rio Grande do Sul state, Brazil.
FIGURE 6. A–D. Sida nemorensis. A. Flower. B. Branch with leaves and flowers. C. Leaves and schizocarps. D. Calyx and mericarps. E–J. Sida paradoxa. E. Flower. F. Branch with leaves and stipules. G in Synopsis of Sida (Malvoideae, Malvaceae) in the state of Rio Grande do Sul, Brazil
FIGURE 6. A–D. Sida nemorensis. A. Flower. B. Branch with leaves and flowers. C. Leaves and schizocarps. D. Calyx and mericarps. E–J. Sida paradoxa. E. Flower. F. Branch with leaves and stipules. G. Abaxial surface of leaf. H. Habit. I–J. Schizocarps. K–P. Sida planicaulis. K. Flowers. L. Adaxial surface of leaf. M. Abaxial surface of leaf. N. Branch with distichous leaves arrangement. O. Schizocarps. P. Branch with flowers and schizocarps. Photographs A–B by Amaury Junior, C–P by Martin Grings (C–D from Krapovickas & Cristóbal 38480, HAS).
FIGURE 11. A–D. Sida rubifolia. A. Flower. B in Synopsis of Sida (Malvoideae, Malvaceae) in the state of Rio Grande do Sul, Brazil
FIGURE 11. A–D. Sida rubifolia. A. Flower. B. Adaxial surface of leaf. C. Prostrate habit. D. Calyx and corolla. E–K. Sida spinosa. E. Flower. F. Abaxial surface of leaf. G. Adaxial surface of leaf. H. Habit. I. Mature schizocarp. J. Branch with tubercle at petiole base. K. Branch. L–Q. Sida tuberculata. L. Branch with leaves, mature and immature schizocarps. M. Adaxial surface of leaf. N. Abaxial surface of leaf. O. Mature schizocarps. P. Branch with flower. Q. Habit. Photographs by Martin Grings.
FIGURE 3. A–E. Sida cordifolia. A. Flower. B in Synopsis of Sida (Malvoideae, Malvaceae) in the state of Rio Grande do Sul, Brazil
FIGURE 3. A–E. Sida cordifolia. A. Flower. B. Adaxial surface of leaf. C. Abaxial surface of leaf. D. Branch with leaves and schizocarps. E. Branch with leaves, flowers buds and schizocarps. F–J. Sida dubia. F. Flower. G. Adaxial surface of leaf. H. Abaxial surface of leaf. I. Schizocarps and mericarps. J. Branch with leaves, flowers and buds. K–N. Sida glaziovii. K. Flower. L. Flowers, buds and leaves. M. Branch. N. Buds. Photographs by Martin Grings.
FIGURE 2 in Synopsis of Sida (Malvoideae, Malvaceae) in the state of Rio Grande do Sul, Brazil
FIGURE 2. Distribution map of Sida anomala, S. cerradoensis, S. confusa, S. cordifolia, S. dubia, S. farroupilhensis and S. lonchitis in Rio Grande do Sul state, Brazil.
FIGURE 12. A–E. Sida urens. A. Flower. B in Synopsis of Sida (Malvoideae, Malvaceae) in the state of Rio Grande do Sul, Brazil
FIGURE 12. A–E. Sida urens. A. Flower. B. Adaxial surface of leaf. C. Branch with flowers and flowers buds. D. Schizocarp. E. Branch with mature schizocarps. F–J. Sida viarum. F. Flower. G. Adaxial surface of leaf. H. Abaxial surface of leaf. I. Branch. J. Immature schizocarps and leaves. Photographs by Martin Grings.
FIGURE 1. A–F. Sida anomala. A. Flower. B. Branch with flowers buds and leaves. C. Schizocarp. D. Branch leaves and stipules. E in Synopsis of Sida (Malvoideae, Malvaceae) in the state of Rio Grande do Sul, Brazil
FIGURE 1. A–F. Sida anomala. A. Flower. B. Branch with flowers buds and leaves. C. Schizocarp. D. Branch leaves and stipules. E. Adaxial surface of leaf. F. Abaxial surface of leaf. G–L. Sida cerradoensis. G. Flower. H. Schizocarps and flower. I. Adaxial surface of leaf. J. Abaxial surface of leaf. K. Sulcate petiole. L. Schizocarp. M–Q. Sida confusa. M. Abaxial surface of leaf. N. Adaxial surface of leaf. O. Flower. P. Branch with schizocarp and leaves. Q. Peduncle and immature schizocarp. Photographs by Martin Grings and Marcio Verdi (O).
FIGURE 5 in Synopsis of Sida (Malvoideae, Malvaceae) in the state of Rio Grande do Sul, Brazil
FIGURE 5. Distribution map of Sida glaziovii, S. paradoxa, S. linifolia, S. nemorensis, S. planicaulis, S. potentilloides and S. rubifolia in Rio Grande do Sul state, Brazil.
FIGURE 7. A–E. Sida potentilloides. A in Synopsis of Sida (Malvoideae, Malvaceae) in the state of Rio Grande do Sul, Brazil
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 9. A–E. Sida regnellii. A. Flower. B in Synopsis of Sida (Malvoideae, Malvaceae) in the state of Rio Grande do Sul, Brazil
FIGURE 9. A–E. Sida regnellii. A. Flower. B. Adaxial surface of leaf. C. Branch with flower, leaves and mature schizocarp. D. Habit. E. Branch with leaves and mature schizocarps. F–J. Sida rhombifolia. F, G. Flowers. H. Abaxial surface of leaf. I. Adaxial surface of leaf. J. Branch with mature mericarps. L–P. Sida riedelii. L. Flower. M. Branch with leaves, flower bud and mature mericarp. N. Adaxial surface of leaf. O. Abaxial surface of leaf. P. Branch with tubercle at petiole base. Photographs by Martin Grings and Sérgio A.L. Bordignon (D).
FIGURE 4. A–F. Sida farroupilhensis. A. Flower. B in Synopsis of Sida (Malvoideae, Malvaceae) in the state of Rio Grande do Sul, Brazil
FIGURE 4. A–F. Sida farroupilhensis. A. Flower. B. Abaxial surface of leaf. C. Adaxial surface of leaf. D. Mature schizocarp. E. Mature and immature schizocarps. F. Branch with leaves and flowers buds. G–J Sida linifolia. G. Abaxial surface of leaf. H. Buds in terminal umbelliform inflorescence. I. Schizocarps and buds in terminal umbelliform inflorescence J. Branch with flowers and buds. K–Q. Sida lonchitis. K. Flowers. L, N. Adaxial surface of leaf. M. Abaxial surface of leaf. O. Terminal inflorescence. P. Bifid bracts (black arrow). Q. Schizocarps. Photographs I–J by Luís Funez, all others by Martin Grings (G–J from N.I. Matzenbacher, ICN 123026).
FIGURE 1. Quararibea alversonii. a in Quararibea alversonii (Malvaceae; Malvoideae), a new species from the Brazilian Atlantic Forest
FIGURE 1. Quararibea alversonii. a. floriferous branch; b. leaf (abaxial surface); c. detail of pocket-like domatia; d. polar view of the bud, evidencing the costate calyx; e. flower; f. pedicel and calyx; g. staminal column; h. detail of the staminal column apex and anthers; i. immature fruit. Photos: C.D.M. Ferreira, based on A.M. Amorim 5696 (a, d), A.M. Amorim 5745 (b, c), R.P. Belém 1312 (e–h), and M.M.M. Lopes et al. 990 (i).
Figure 2 in First record of Wissadula hernandioides (L'Hér.) Garcke (Malvoideae, Malvaceae) for the Caatinga domain in Brazil
Figure 2. Map of the occurrence of Wissadula hernandioides (L'Hér.) Garcke in the Caatinga domain (red triangle) and previous records from northeastern Brazil for the Cerrado and Atlantic Forest domains (black points).
Figure 1 in First record of Wissadula hernandioides (L'Hér.) Garcke (Malvoideae, Malvaceae) for the Caatinga domain in Brazil
Figure 1. Wissadula hernandioides (L'Hér.) Garcke. A. Habit of a fertile branch. B, C. Details of the flowers. D, E. Details of the fruits. F. Detail of the fruit and pedicel showing the indumentum. G. Seed. H. Detail of the branch showing the indumentum. I. Detail of the stipules. J. Indumentum of the adaxial leaf surface. K. Indumentum of the abaxial leaf surface.
FIGURE 2. A–G in Gaya xiquexiquensis (Malvaceae, Malvoideae), a new species from Bahia state, Brazil
FIGURE 2. A–G) Gaya xiquexiquensis. A) Habitat. B) Habit. C) Branch with leaves. D) Leaf blade. E) Flower. F) Branch with immature fruit. G) Mature fruit showing the seeds.
FIGURE 1. A–G in Gaya xiquexiquensis (Malvaceae, Malvoideae), a new species from Bahia state, Brazil
FIGURE 1. A–G) Gaya xiquexiquensis. A) Branch with flowers and fruits; B) Branch indumentum; C) Leaf blade; D) Calyx; E) Calyx indumentum; F) Fruit; G) Mericarp, showing the internal face with seed and endoglossum (e). H–K) Gaya aurea. H–I) Leaf blade; J) Mericarp, showing the internal face with seed and endoglossum (e). K) Endoglossum indumentum.
FIGURE 2. Sida carrascoana. A. Flowering branch. B in Two new species of Sida (Malvaceae: Malvoideae) for Brazil
FIGURE 2. Sida carrascoana. A. Flowering branch. B. Detail of branch. C. Leaf. D. Calyx. E. Mericarp. Scale bars A = 2 cm; B = 1 mm; C, D = 5 mm; E = 1 mm. Drawn from the holotype.
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