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13 results for “Siderasis”
Data from: Siderasis albofasciata sp. nov. (Commelinaceae), endemic to the state of Espírito Santo, Brazil, and the typification of S. fuscata
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Figure 6 from: Pellegrini MOO, Faden RB (2017) Recircumscription and taxonomic revision of Siderasis, with comments on the systematics of subtribe Dichorisandrinae (Commelinaceae). PhytoKeys 83: 1-41. https://doi.org/10.3897/phytokeys.83.13490
Figure 6 - Siderasis albofasciata M.Pell. A habit, showing the well-defined white stripe along the midvein of the leaves and the flagelliform-shoots with terminal rosettes B detail of the abaxial side of the leaf, showing the light-brown lanate indumentum C detail of the adaxial side of the leaf, showing the light-brown hispid indumentum D detail of the inflorescence, showing the solitary cincinnus E flower F detail of the androecium and the gynoecium G detail of the capsules, the left one immature with evident accrescent sepals and the right one mature H detail of an open capsule, showing the biseriate to partially uniseriate, arillate seeds I dorsal view of a seed, showing the semi-lateral embryotega and the cream-colored, slightly translucent and thick aril. Photograph F by L. Kollmann, remaining by M.O.O. Pellegrini.
Figure 11 from: Pellegrini MOO, Faden RB (2017) Recircumscription and taxonomic revision of Siderasis, with comments on the systematics of subtribe Dichorisandrinae (Commelinaceae). PhytoKeys 83: 1-41. https://doi.org/10.3897/phytokeys.83.13490
Figure 11 - Line drawings of Siderasis spectabilis M.Pell. & Faden. A bracteole B front view of a bisexual flower, showing the petals ciliate with non-moniliform hairs C detail of the petal margin, showing the non-moniliform hairs D lower stamen, showing the rectangular anther connective E upper stamen, showing the quadrangular anther connective F Detail of the gynoecium, showing the velutine ovary and bent style. Line drawings by M.O.O. Pellegrini.
Figure 1 from: Pellegrini MOO, Faden RB (2017) Recircumscription and taxonomic revision of Siderasis, with comments on the systematics of subtribe Dichorisandrinae (Commelinaceae). PhytoKeys 83: 1-41. https://doi.org/10.3897/phytokeys.83.13490
Figure 1 - Floral morphology of subtribe Dichorisandrinae s.l. A–C Siderasis Raf. emend M.Pell. & Faden: A S. fuscata (Lodd.) H.E.Moore B S. albofasciata M.Pell. C S. zorzanellii M.Pell. & Faden. D–L Dichorisandra J.C.Mikan: D D. acaulis Cogn. E D. hexandra (Aubl.) C.B.Clarke F D. thyrsiflora J.C.Mikan G D. paranaënsis D.Maia et al. H D. nana Aona & M.C.E.Amaral I D. incurva Mart. J D. penduliflora Kunth K D. sagittata Aona & M.C.E.Amaral L D. radicalis Nees & Mart. M Cochliostema odoratissimum Lem. N Geogenanthus rhizanthus (Ule) G.Brückn. O Plowmanianthus panamensis Faden & C.R.Hardy. Photographs A–B, D–G, J by M.O.O. Pellegrini, C by J.P.F. Zorzanelli, H by V. Bittrich, I by G.H. Shimizu, K by J.L. Costa-Lima, L by M.A.N. Coelho, M by R. Moran, N by D. Scherberich, and O by C.R. Hardy.
Figure 3 from: Pellegrini MOO, Faden RB (2017) Recircumscription and taxonomic revision of Siderasis, with comments on the systematics of subtribe Dichorisandrinae (Commelinaceae). PhytoKeys 83: 1-41. https://doi.org/10.3897/phytokeys.83.13490
Figure 3 - Growth forms in Dichorisandrinae s.s. A–D Siderasis Raf. emend. M.Pell. & Faden: A rosette habit of S. fuscata (Lodd.) H.E.Moore B rosette habit with flagelliform-shoots of S. albofasciata M.Pell. C habit of an immature, still prostrate, individual of S. zorzanellii M.Pell. & Faden. D habit of a mature individual of S. zorzanellii spirally ascending a tree. E–F Dichorisandra hexandra (Aubl.) C.B.Clarke: E intertwined habit F decumbent stem apex, bearing flowers and fruits. Photographs A–B, E–F by M.O.O. Pellegrini, C–D by J.P.F. Zorzanelli.
Figure 7 from: Pellegrini MOO, Faden RB (2017) Recircumscription and taxonomic revision of Siderasis, with comments on the systematics of subtribe Dichorisandrinae (Commelinaceae). PhytoKeys 83: 1-41. https://doi.org/10.3897/phytokeys.83.13490
Figure 7 - Siderasis almeidae M.Pell. & Faden. A habit, showing a fertile rosette B detail of the elongated aerial stem, showing the rusty internodes and leaf-sheaths C detail of the lanate indumentum on the abaxial side of the leaf blade D detail of the hispid indumentum on the adaxial side of the leaf blade E detail of the inflorescence, showing the contracted cincinnus and some floral buds F front view of a flower, showing the fleshy and internally purple sepals, and the lanate ovary. Photographs A, F by M.A.N. Coelho, remaining photographs by M.O.O. Pellegrini.
Figure 2 from: Pellegrini MOO, Faden RB (2017) Recircumscription and taxonomic revision of Siderasis, with comments on the systematics of subtribe Dichorisandrinae (Commelinaceae). PhytoKeys 83: 1-41. https://doi.org/10.3897/phytokeys.83.13490
Figure 2 - Distribution map of Siderasis Raf. emend. M.Pell. & Faden. Blue circles– S. albofasciata; Blue triangles– S. almeidae; Red circles– S. fuscata; Red triangles– S. medusoides; Blue square– S. spectabilis; Red Square– S. zorzanellii; BA– state of Bahia; ES– estate of Espírito Santo; RJ– estate of Rio de Janeiro.
Figure 12 from: Pellegrini MOO, Faden RB (2017) Recircumscription and taxonomic revision of Siderasis, with comments on the systematics of subtribe Dichorisandrinae (Commelinaceae). PhytoKeys 83: 1-41. https://doi.org/10.3897/phytokeys.83.13490
Figure 12 - Siderasis zorzanellii M.Pell. & Faden. A habit, showing an immature individual B habit, showing a mature individual spirally ascending a tree C detail of a secondary branch, showing distichously-alternate, asymmetric leaves D detail of an axillary inflorescence, in the primary branch E detail of a terminal inflorescence, at pre-anthesis, in a secondary branch F detail of a terminal inflorescence, at anthesis, in a secondary branch, showing an open male flower G side view of a male flower, showing the unequal and sigmoid stamens H side view of a post-anthesis bisexual flower, showing the bent style I detail of the inflorescence bearing two mature capsules J dorsal and ventral view of the seeds, showing the rugose testa, cleft towards the semidorsal embryotega, and the C-shaped hilum. Photographs by J.P.F. Zorzanelli.
Figure 4 from: Pellegrini MOO, Faden RB (2017) Recircumscription and taxonomic revision of Siderasis, with comments on the systematics of subtribe Dichorisandrinae (Commelinaceae). PhytoKeys 83: 1-41. https://doi.org/10.3897/phytokeys.83.13490
Figure 4 - Inflorescence architecture in Dichorisandrinae s.s. A diagram of the basic Siderasis Raf. emend M.Pell. & Faden inflorescence type, consisting of a thyrse reduced to a solitary cincinnus B diagram of the basic Dichorisandra inflorescence type (also characteristic of S. spectabilis and S. zorzanellii), consisting of a many-branched thyrse with alternate, many-flowered cincinni C diagram of the basic D. acaulis species group inflorescence type, where the main florescence axis and cincinni axis are greatly reduced, and the pedicels are peculiarly elongated. P = prophyll; pB = peduncle bract on main synflorescence axis; * = aborted or dormant apex of main inflorescence axis (usually not observed); B = cincinnus bract; b = bracteole; f = flower; 1°bud = bud terminating cincinnus; 2°bud = bud in axil of peduncle bract with potential to develop into a secondary thyrse (coflorescence); Modified from Pellegrini (2017).
Figure 8 from: Pellegrini MOO, Faden RB (2017) Recircumscription and taxonomic revision of Siderasis, with comments on the systematics of subtribe Dichorisandrinae (Commelinaceae). PhytoKeys 83: 1-41. https://doi.org/10.3897/phytokeys.83.13490
Figure 8 - Siderasis fuscata (Lodd.) H.E.Moore. A habit, showing a mature rosette and green leaves B detail of leaf with a silvery blotch along the midvein C detail of the canaliculate petiole, showing the rusty hairs D detail of the bright-red hirsute indumentum E upper view of a fertile rosette, showing many lilac flowers open at the same time F front view of a pale-lilac flower, showing the lacerated petals and completely white androecium and gynoecium G detail of the androecium and the gynoecium H detail of a mature capsule, showing the atro-vinaceous longitudinal stripes I detail of an open capsule, showing the biseriate to partially uniseriate, inconspicuously arillate seeds, with grey foveolate testa. Photographs by M.O.O. Pellegrini.
Figure 5 from: Pellegrini MOO, Faden RB (2017) Recircumscription and taxonomic revision of Siderasis, with comments on the systematics of subtribe Dichorisandrinae (Commelinaceae). PhytoKeys 83: 1-41. https://doi.org/10.3897/phytokeys.83.13490
Figure 5 - Aril morphology in Dichorisandrinae s.s. A–B Dichorisandra J.C.Mikan: A D. thyrsiflora J.C.Mikan B D. hexandra (Aubl.) C.B.Clarke. C–D Siderasis Raf. emend. M.Pell. & Faden: C S. fuscata (Lodd.) H.E.Moore D S. albofasciata M.Pell. Photographs by M.O.O. Pellegrini.
Figure 10 from: Pellegrini MOO, Faden RB (2017) Recircumscription and taxonomic revision of Siderasis, with comments on the systematics of subtribe Dichorisandrinae (Commelinaceae). PhytoKeys 83: 1-41. https://doi.org/10.3897/phytokeys.83.13490
Figure 10 - Holotype of Siderasis spectabilis M.Pell. & Faden. Image courtesy of the Museu Nacional, Rio de Janeiro, Brazil.
Figure 9 from: Pellegrini MOO, Faden RB (2017) Recircumscription and taxonomic revision of Siderasis, with comments on the systematics of subtribe Dichorisandrinae (Commelinaceae). PhytoKeys 83: 1-41. https://doi.org/10.3897/phytokeys.83.13490
Figure 9 - Siderasis medusoides M.Pell. & Faden. A habit, showing a fertile rosette B detail of the synflorescence, showing the elongated and tangled cincinni C front view of a flower, showing small ants near the flower center D detail of the capsule. Photographs by P. Fiaschi.
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