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Figure 29 from: Pellegrini MOO (2018) Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Commelinaceae). PhytoKeys 101: 1-97. https://doi.org/10.3897/phytokeys.101.25057
Figure 29 Distribution of Tradescantia tenella Kunth. Orange– Cerrado; Yellow– Chaco and Pantanal; Olive-green– Pampa; Dark green– Atlantic Forest.
Figure 28 from: Pellegrini MOO (2018) Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Commelinaceae). PhytoKeys 101: 1-97. https://doi.org/10.3897/phytokeys.101.25057
Figure 28 Tradescantia tenella Kunth. A habit, showing the definite base and fruticose and erect stems B detail of the stem and leaf-sheath, showing the leaf-opposed line of uniseriate hairs and the setose leaf-sheath margin C detail of the adaxial side of the leaf-blade, showing the hirsute indumentum D adaxial side of the leaf-blade, showing the impressed secondary veins and the vinaceous stripe along the midvein E abaxial side of the leaf-blade, showing the subpetiole and the vinaceous colouration F detail of the inflorescence, showing the saccate and strongly unequal cincinni bracts G flower at post-anthesis showing the glandular-pubescent indumentum and the dorsal keels of the sepals H–I flowers H white petalled flower I light pink petaled flower J dorsal and ventral views of the seed, showing the rugose testa not cleft towards the embryotega and the hilum shorter than ½ the length of the seed. Photos by M.O.O. Pellegrini.
Figure 27 from: Pellegrini MOO (2018) Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Commelinaceae). PhytoKeys 101: 1-97. https://doi.org/10.3897/phytokeys.101.25057
Figure 27 Distribution of Tradescantia seubertiana M.Pell. Yellow– Chaco and Pantanal; Olive-green– Pampa; Dark green– Atlantic Forest.
Figure 26 from: Pellegrini MOO (2018) Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Commelinaceae). PhytoKeys 101: 1-97. https://doi.org/10.3897/phytokeys.101.25057
Figure 26 Tradescantia seubertiana M.Pell. A Serra do Corvo Branco, Santa Catarina, Brazil B habit, showing the erect stem C detail of the stem, leaf-sheath and leaf, showing the amplexicaulous leaf-blade base D detail of the stem, leaf-sheath and the abaxial side of the leaf-blade, showing the reddish-purple colouration and the complete absence of indumentum E detail of the inflorescence, showing the not saccate and unequal cincinni bracts F detail of the floral buds and flowers at post-anthesis, showing the reddish-purple colouration of the pedicels and sepals and the complete absence of indumentum G side view of a flower, showing the green sepals and pink petals H front view of a flower, showing the pistil longer than the stamens. Photos by M.O.O. Pellegrini.
Figure 24 from: Pellegrini MOO (2018) Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Commelinaceae). PhytoKeys 101: 1-97. https://doi.org/10.3897/phytokeys.101.25057
Figure 24 Tradescantia mundula Kunth. A habit, showing the mat-forming prostrate stems B–C stems and leaf-sheaths B detail of a sparsely strigose stem, leaf-sheath and subpetiole C detail of a strigose stem, leaf-sheath, subpetiole and young leaves D–E leaves D adaxial side of the blade, showing the medium green colouration and impressed secondary veins E abaxial side of the blade, showing the vinaceous tinted colouration F detail of the inflorescence, showing the saccate cincinni bract base G detail of flower at post-anthesis, showing the pedicel's and sepals' velutine indumentum H front view of a flower, showing the flat petals I dorsal and ventral views of the seed, showing the costate testa not cleft towards the embryotega and the hilum ca. ½ the length of the seed. Field photos by M.O.O. Pellegrini.
Figure 7 from: Pellegrini MOO (2018) Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Commelinaceae). PhytoKeys 101: 1-97. https://doi.org/10.3897/phytokeys.101.25057
Figure 7 Fruit and seed morphology in Tradescantia subg. Austrotradescantia. A mature and dehisced capsule of T. cerinthoides B dorsal and ventral views of the seed of T. crassula, showing the costate testa cleft towards the embryotega and the hilum longer than ½ the length of the seed C dorsal and ventral views of the seed of T. hertweckii, showing the costate testa not cleft towards the embryotega and the hilum equal to ½ the length of the seed D dorsal and ventral views of the seed of T. atlantica, showing the rugose testa not cleft towards the embryotega and hilum shorter than ½ the length of the seed. Photos by M.O.O. Pellegrini.
Figure 30 from: Pellegrini MOO (2018) Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Commelinaceae). PhytoKeys 101: 1-97. https://doi.org/10.3897/phytokeys.101.25057
Figure 30 Tradescantia tucumanensis M.Pell A detail of the stem, leaf-sheath and young leaf B adaxial side of the leaf-blade, showing the impressed secondary veins C inflorescence, showing the unequal cincinni bracts, vinaceous pedicels, ellipsoid floral buds and the pubescence of the pedicels and sepals D–E flowers D white petalled flower E light pink petalled flower. A–D by G.A. Parada E by W.M. Ciesla.
Figure 23 from: Pellegrini MOO (2018) Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Commelinaceae). PhytoKeys 101: 1-97. https://doi.org/10.3897/phytokeys.101.25057
Figure 23 Distribution of Tradescantia hertweckii M.Pell. Orange– Cerrado; Olive-green– Pampa; Dark green– Atlantic Forest.
Figure 33 from: Pellegrini MOO (2018) Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Commelinaceae). PhytoKeys 101: 1-97. https://doi.org/10.3897/phytokeys.101.25057
Figure 33 Distribution of Tradescantia umbraculifera Hand.-Mazz. Orange– Cerrado; Yellow– Chaco and Pantanal; Olive-green– Pampa; Dark green– Atlantic Forest.
Figure 22 from: Pellegrini MOO (2018) Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Commelinaceae). PhytoKeys 101: 1-97. https://doi.org/10.3897/phytokeys.101.25057
Figure 22 Tradescantia hertweckii M.Pell. A habit B detail of the leaf-sheaths, showing the setose margins C hair from the margin of the leaf-sheath D–E leaves D detail of the abaxial side of the apex of the blade, showing the hispid indumentum E detail of the adaxial side of the apex of the blade, showing the hispid indumentum F–G flowers F front view of a flower G oblique view of a flower H sepals, showing the setose indumentum restricted to the dorsal keels I petal J–K androecium J stamen K detail of the anther L–M gynoecium L pistil M detail of the stigma N open mature capsule O seeds, showing the costate testa not cleft towards the embryotega and the hilum longer than ½ the length of the seed. Line drawings by M.A. Rezende.
Figure 25 from: Pellegrini MOO (2018) Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Commelinaceae). PhytoKeys 101: 1-97. https://doi.org/10.3897/phytokeys.101.25057
Figure 25 Distribution of mundula Kunth. Orange– Cerrado; Red– Caatinga; Yellow– Chaco and Pantanal; Olive-green– Pampa; Dark green– Atlantic Forest.
Figure 21 from: Pellegrini MOO (2018) Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Commelinaceae). PhytoKeys 101: 1-97. https://doi.org/10.3897/phytokeys.101.25057
Figure 21 Distribution of Tradescantia fluminensis Vell. Light green– Amazon Forest; Orange– Cerrado; Red– Caatinga; Yellow– Chaco and Pantanal; Olive-green– Pampa; Dark green– Atlantic Forest; Purple– Andean Yungas.
Figure 20 from: Pellegrini MOO (2018) Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Commelinaceae). PhytoKeys 101: 1-97. https://doi.org/10.3897/phytokeys.101.25057
Figure 20 Tradescantia fluminensis Vell. A habit, showing the mat-forming prostrate stems B detail of the stem and leaf-sheath, showing the setose margin of the leaf-sheath and the subpetiole C adaxial side of the leaf-blade, showing the impressed secondary veins D detail of the inflorescence, showing the saccate cincinni bract base, the plicate petals and the pistil as long as the stamens E floral bud, showing the dorsally keeled sepals and the pilose indumentum restricted to the keels F front view of a flower, showing the plicate petals G dorsal and ventral views of the seed, showing the costate testa not cleft towards the embryotega and the hilum ca. ½ the length of the seed. Photos by M.O.O. Pellegrini.
Figure 6 from: Pellegrini MOO (2018) Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Commelinaceae). PhytoKeys 101: 1-97. https://doi.org/10.3897/phytokeys.101.25057
Figure 6 Floral morphology in Tradescantia subg. Austrotradescantia. A–C floral buds A floral bud of T. cerinthoides, showing the vinaceous coloration, densely hispid indumentum and absence of dorsal keels in the sepals B floral bud of T. fluminensis, showing the medium green colouration and pilose eglandular hairs restricted to dorsal keels C floral bud of T. tenella, showing the green colouration, glandular-pubescent indumentum and the presence of dorsal keels in the sepals D–H flowers D front view of a flower of T. atlantica, showing the plicate petals E front view of a flower of T. fluminensis, showing the plicate petals F side view of two flowers of T. fluminensis, showing the plicate petals and the deflexed flowers at post-anthesis G front view of a flower of T. tenella, showing the flat petals H front view of a flower of T. umbraculifera, showing the flat and elliptic petals. Photos by M.O.O. Pellegrini.
Figure 2 from: Pellegrini MOO (2018) Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Commelinaceae). PhytoKeys 101: 1-97. https://doi.org/10.3897/phytokeys.101.25057
Figure 2 Indumentum morphology in Tradescantia subg. Austrotradescantia. A completely glabrous stems and leaves in T. seubertiana B glabrous leaf-blade of T. crassula, showing the ciliate margin C abaxial side of a leaf-blade of T. cerinthoides, showing the sparsely hispid indumentum D adaxial side of a leaf-blade of T. cerinthoides, showing the hispid indumentum E adaxial side of a leaf-blade of T. tenella, showing the hirsute indumentum and ciliate margin F sepal of T. tenella, showing the glandular-pubescent indumentum. Photos by M.O.O. Pellegrini.
Figure 19 from: Pellegrini MOO (2018) Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Commelinaceae). PhytoKeys 101: 1-97. https://doi.org/10.3897/phytokeys.101.25057
Figure 19 Distribution of Tradescantia decora W.Bull. Yellow– Chaco and Pantanal; Olive-green– Pampa; Dark green– Atlantic Forest.
Figure 18 from: Pellegrini MOO (2018) Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Commelinaceae). PhytoKeys 101: 1-97. https://doi.org/10.3897/phytokeys.101.25057
Figure 18 Tradescantia decora W.Bull. A detail of a rupicolous subpopulation B habit, showing the erect stem and spirally-alternate leaves with linear to linear lanceolate and canaliculate blades C detail of the stem and leaf-sheath, showing the glabrous internodes and the long-setose margin of the leaf-sheath and base of the blade D synflorescence, showing florescences ranging from double-cincinni to 3–5-cincinni and the leaf-blades with basally setose margins E inflorescence composed of 4-cincinni, showing the side view of a flower and its pistil longer than the stamens F lower view of a flower, showing the glabrescent sepals G dorsal and ventral views of the seed, showing the costate testa cleft towards the embryotega and the hilum longer than ½ the length of the seed. C & G by M.O.O. Pellegrini, remaining photos by H.M. Büneker.
Figure 32 from: Pellegrini MOO (2018) Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Commelinaceae). PhytoKeys 101: 1-97. https://doi.org/10.3897/phytokeys.101.25057
Figure 32 Tradescantia umbraculifera Hand.-Mazz. A habit, showing a specimen growing as an epiphyte B detail of the stem and the leaf-sheath, showing the leaf-opposed line of uniseriate hairs and the setose leaf-sheath margin C adaxial side of the leaf-blade, showing the impressed secondary veins D abaxial side of the leaf-blade E synflorescence F detail of the synflorescence, showing two inflorescences emerging from the same leaf axil and the spathaceous and saccate cincinni bracts G detail of the inflorescence, showing the spathaceous and saccate cincinni bracts and the side view of a flower, showing the pistil longer than the stamens H flower at post-anthesis showing the white pedicel and the glabrous sepals I–J flowers I front view of a flower of a typical specimen of T. umbraculifera J front view of a flower of a putative hybrid between T. umbraculifera and T. fluminensis, showing the leaf-like cincinni bracts, ovate petals, sparser filament hairs K dorsal and ventral views of the seed, showing the costate testa not cleft towards the embryotega and the hilum longer than ½ the length of the seed. Photos by M.O.O. Pellegrini, except A by L.A. Funez and E, G–H, I by H. Medeiros.
Figure 16 from: Pellegrini MOO (2018) Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Commelinaceae). PhytoKeys 101: 1-97. https://doi.org/10.3897/phytokeys.101.25057
Figure 16 Tradescantia cymbispatha C.B.Clarke. A habit, showing the velvety aspect of the leaves due to the strigose indumentum B detail of the stem, showing the predominant vinaceous colour of the stem and leaves C detail of the stems, leaf-sheaths and abaxial side of the blades, showing the strigose and hyaline indumentum D adaxial side of the leaf-blade, showing the inconspicuous secondary veins and the strigose and hyaline indumentum E detail of flower at post-anthesis, showing the pedicel's and sepals' velutine indumentum F front view of a flower G dorsal and ventral views of the seed, showing the costate testa not cleft towards the embryotega and the hilum ca. ½ the length of the seed. Photos by M.O.O. Pellegrini.
Figure 15 from: Pellegrini MOO (2018) Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Commelinaceae). PhytoKeys 101: 1-97. https://doi.org/10.3897/phytokeys.101.25057
Figure 15 Distribution of Tradescantia crassula Link & Otto. Orange– Cerrado; Yellow– Chaco and Pantanal; Olive-green– Pampa; Dark green– Atlantic Forest.
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