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Figure 14 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 14 Tradescantia crassula Link & Otto. A habit, showing the erect stems and distichously-alternate leaves with conduplicate blades of a rupicolous specimen B habit, showing epiphytic subpopulation C detail of an epiphytic individual, showing the spirally-alternate leaves D–F stems and leaf-sheaths D vinaceous internodes of a young epiphytic specimen E medium green internode with a leaf-opposed line of uniseriate hairs F medium green internode, showing a leaf-opposed line of uniseriate hairs G detail of the leaf-blade, showing the glabrous surface H synflorescence I detail of the synflorescence, showing an axillary inflorescence composed of solitary cincinnus and a terminal with the typical double-cincinni with non-saccate cincinni bracts J flowers in front and side view, showing the setose sepals with hairs restricted to the dorsal keels and pistil longer than the stamens K 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. H by G.A. Dettke, remaining photos by M.O.O. Pellegrini.
Figure 17 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 17 Distribution of Tradescantia cymbispatha C.B.Clarke. Orange– Cerrado; Red– Caatinga; Yellow– Chaco and Pantanal; Olive-green– Pampa; Dark green– Atlantic Forest.
Figure 3 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 3 Leaf morphology in Tradescantia subg. Austrotradescantia. A elliptic blade of T. cerinthoides, showing the dark green colouration and obtuse apex B broadly ovate blade of T. cymbispatha, showing the bluish-green colouration, vinaceous margins, the densely strigose indumentum and cordate base C linear blade of T. decora, showing the conduplicate and falcate posture and truncate base D one of the uppermost leaves from T. fluminensis, showing the dark green colouration, inconspicuous subpetiole, impressed secondary veins and cordate base E blade of T. mundula, showing the short subpetiole, impressed secondary veins and round base F detail of the amplexicaulous leaf-blade base of T. seubertiana G blade of T. tenella, showing the distinctively subpetiolate leaf and strongly asymmetric base H blade of T. umbraculifera, showing the amplexicaulous base and caudate apex. All photos by M.O.O. Pellegrini, except for C by H.M. Bünecker.
Figure 9 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 9 Distribution of Tradescantia atlantica M.Pell. Orange– Cerrado; Red– Caatinga; Dark green– Atlantic Forest.
Figure 13 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 13 Distribution of Tradescantia chrysophylla M.Pell. Orange– Cerrado; Red– Caatinga; Olive-green– Pampa; Dark green– Atlantic Forest.
Figure 12 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 12 Tradescantia chrysophylla M.Pell. A habit, showing the prostrate stems B detail of the ascending apex C–D detail of the stem and leaf-sheath, showing the velutine to hispid indumentum C medium green to reddish-green internodes D vinaceous internodes E–G leaves E adaxial side F vinaceous abaxial side G light green abaxial side H–I inflorescence H upper view of an inflorescence, showing unequal cincinni bracts and a front view of a flower I front view of a flower. A, C, G–I by L.A. Funez; B, D, E–F, J by M.O.O. Pellegrini.
Figure 11 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 11 Distribution of Tradescantia cerinthoides Kunth. Orange– Cerrado; Yellow– Chaco and Pantanal; Olive-green– Pampa; Dark green– Atlantic Forest.
Figure 10 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 10 Tradescantia cerinthoides Kunth. A rupicolous subpopulation in the municipality of Vacaria, state of Rio Grande do Sul, Brazil B–C habit B habit, showing the spirally-alternate leaves C habit, showing the distichously-alternate leaves D–F stems and leaf-sheaths D detail of a glabrous stem, vinaceous with green striations and sparsely hispid leaf-sheath, light green with vinaceous striations E detail of a hispid stem, vinaceous with green striations and hispid leaf-sheath, vinaceous with darker striations F detail of a velutine stem, medium green and velutine, pinkish leaf-sheath with vinaceous striations G–J pubescence of the leaf-blades G abaxial side, showing the dark vinaceous colouration and lack of pubescence H abaxial side, showing the vinaceous colouration and sparsely hispid indumentum I adaxial side, showing the medium green colouration and the hispid indumentum J abaxial side, showing the medium green colouration and velutine indumentum K inflorescence, showing the non-saccate cincinni bracts and velutine indumentum L–M floral buds L green floral bud, showing the velutine indumentum M vinaceous floral bud, showing the hispid indumentum N front view of flowers from the same subpopulation (Vacaria, Rio Grande do Sul, Brazil), showing the variation of sepal colour (green to dark vinaceous), sepal pubescence (velutine to sparsely hispid to hispid to densely hispid) and petal colour (white to shades of pink to lilac) O 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. 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 104: 1-97. https://doi.org/10.3897/phytokeys.104.28484
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 4 from: Pellegrini MOO (2018) Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Commelinaceae). PhytoKeys 104: 1-97. https://doi.org/10.3897/phytokeys.104.28484
Figure 4 Leaf variegation in Tradescantia subg. Austrotradescantia cultivars A habit of T. fluminensis, showing different degrees of yellow variegation in the same plant B sick leaf blade of T. decora, showing the white variegation and a necrotic spot C–D T. fluminensis with yellow variegation C sick branch, showing atrophied and almost completely lacking chlorophyll D sick leaf blade, showing small portions of chlorophyllate tissue and necrotic spots. E–H, T. mundula with pink to vinaceous variegation E habit, showing different variegation patterns and degrees in the same plant F healthy branch, showing leaves with stripes in shades of pink and lilac G sick branch, showing the almost complete lack of chlorophyll and the great amount anthocyanin on the abaxial side of the blades H sick branch, showing the almost complete lack of chlorophyll and the pink hue produced by the anthocyanin from the abaxial side of the blades. Photos by M.O.O. Pellegrini.
Figure 33 from: Pellegrini MOO (2018) Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Commelinaceae). PhytoKeys 104: 1-97. https://doi.org/10.3897/phytokeys.104.28484
Figure 33 Distribution of Tradescantia umbraculifera Hand.-Mazz. Orange– Cerrado; Yellow– Chaco and Pantanal; Olive-green– Pampa; Dark green– Atlantic Forest.
Figure 5 from: Pellegrini MOO (2018) Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Commelinaceae). PhytoKeys 104: 1-97. https://doi.org/10.3897/phytokeys.104.28484
Figure 5 Inflorescence architecture in Tradescantia subg. Austrotradescantia A malformed main florescence of T. cymbispatha, showing the subopposite cincinni B detail of the synflorescence of T. crassula, showing an axillary inflorescence composed of solitary cincinnus and a terminal with the typical double-cincinni with non-saccate cincinni bracts C–D inflorescence in T. decora (removed) C inflorescence composed of 4-cincinni, showing the spathaceous and supernumerary bracts (removed) D synflorescence, showing main florescences and coflorescences ranging from regular double-cincinni to 3–5-cincinni (removed) E front view of the main florescence of T. fluminensis, showing the saccate cincinni bracts F dorsal view of the main florescence of T. mundula, showing the saccate cincinni bracts G main florescence of T. seubertiana, showing the unequal and non-saccate cincinni bracts H main florescence of T. tenella, showing the strongly unequal cincinni bracts I inflorescence of T. umbraculifera, showing the main florescence and a coflorescence emerging from the same leaf axil. Photos by M.O.O. Pellegrini. See the Erratum note.
Figure 9 from: Pellegrini MOO (2018) Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Commelinaceae). PhytoKeys 104: 1-97. https://doi.org/10.3897/phytokeys.104.28484
Figure 9 Distribution of Tradescantia atlantica M.Pell. Orange– Cerrado; Red– Caatinga; Dark green– Atlantic Forest.
Figure 6 from: Pellegrini MOO (2018) Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Commelinaceae). PhytoKeys 104: 1-97. https://doi.org/10.3897/phytokeys.104.28484
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 32 from: Pellegrini MOO (2018) Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Commelinaceae). PhytoKeys 104: 1-97. https://doi.org/10.3897/phytokeys.104.28484
Figure 32 Tradescantia umbraculifera Hand.-Mazz. A habit (replaced) 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 E, G–H, I by H. Medeiros. See the Erratum note.
Figure 30 from: Pellegrini MOO (2018) Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Commelinaceae). PhytoKeys 104: 1-97. https://doi.org/10.3897/phytokeys.104.28484
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 29 from: Pellegrini MOO (2018) Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Commelinaceae). PhytoKeys 104: 1-97. https://doi.org/10.3897/phytokeys.104.28484
Figure 29 Distribution of Tradescantia tenella Kunth. Orange– Cerrado; Yellow– Chaco and Pantanal; Olive-green– Pampa; Dark green– Atlantic Forest.
Figure 3 from: Pellegrini MOO (2018) Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Commelinaceae). PhytoKeys 104: 1-97. https://doi.org/10.3897/phytokeys.104.28484
Figure 3 Leaf morphology in Tradescantia subg. Austrotradescantia. A elliptic blade of T. cerinthoides, showing the dark green colouration and obtuse apex B broadly ovate blade of T. cymbispatha, showing the bluish-green colouration, vinaceous margins, the densely strigose indumentum and cordate base C linear blade of T. decora, showing the conduplicate and falcate posture and truncate base (removed) D one of the uppermost leaves from T. fluminensis, showing the dark green colouration, inconspicuous subpetiole, impressed secondary veins and cordate base E blade of T. mundula, showing the short subpetiole, impressed secondary veins and round base F detail of the amplexicaulous leaf-blade base of T. seubertiana G blade of T. tenella, showing the distinctively subpetiolate leaf and strongly asymmetric base H blade of T. umbraculifera, showing the amplexicaulous base and caudate apex. Photos by M.O.O. Pellegrini. See the Erratum note.
Figure 28 from: Pellegrini MOO (2018) Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Commelinaceae). PhytoKeys 104: 1-97. https://doi.org/10.3897/phytokeys.104.28484
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 31 from: Pellegrini MOO (2018) Wandering throughout South America: Taxonomic revision of Tradescantia subg. Austrotradescantia (D.R.Hunt) M.Pell. (Commelinaceae). PhytoKeys 104: 1-97. https://doi.org/10.3897/phytokeys.104.28484
Figure 31 Distribution of Tradescantia tucumanensis M.Pell. Orange– Cerrado; Yellow– Chaco and Pantanal; Olive-green– Pampa; Dark green– Atlantic Forest; Purple– Andean Yungas.
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