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16 results for “Thesiaceae”
Fig. 3 in A tough nutlet to crack: Resolving the phylogeny of Thesium (Thesiaceae), the largest genus in Santalales
Fig. 3. Photographs of the outgroup (Lacomucinaea) and representatives of the major clades of Thesium. The numbers in the upper right corners correspond to clade numbers on the Bayesian tree (Fig. 2A). Details of flower and/or fruits are shown in the insets. A, Lacomucinaea clade, L. lineata; B, Kunkeliella clade, T. subsucculentum; C, Thesidium clade, T. fragile; D, Mauritanica clade, T. mauritanicum; E, Humilia clade, T. humile; F, Macranthia clade, T. szowitsii; G, Eurasian clade, T. minkwitzianum; H, Procumbens clade, T. brachyphyllum; I, Parnassi clade, T. parnassi; J, Bavarum clade, T. bavarum; K, Alpina clade, T. alpinum; L, Linophylla clade, T. humifusum; M, Second Asian Radiation, T. catalaunicum; N, Rostratum clade, T. rostratum; O, Multicaule clade, T. ebracteatum; P, Australe clade, T. chinense; Q, Longifolia clade, T. refractum; R, Ramosum clade, T. ramosum; S, Himalensia clade, T. himalense; T, Alatavicum clade, T. alatavicum. — For photo credits, see suppl. Appendix S3.
Fig. 5 in A tough nutlet to crack: Resolving the phylogeny of Thesium (Thesiaceae), the largest genus in Santalales
Fig. 5. Photographs of representatives of the major clades of Thesium species. The numbers in the upper right corners correspond to clade numbers on the Bayesian tree (Fig. 2C,D). L.S. = longitudinal section. A, Ussanguense clade, T. passerinoides, herbarium specimen (Christiaensen 2495, BR) with rehydrated flowers and fruits; B, Stuhlmannii clade, T. fimbriatum, herbarium specimen (Goldblatt 8056, MO) with rehydrated flowers and fruits; C, Austroamericium clade, T. aphyllum, habit and flowers; D, Tenuissimum clade, T. tenuissimum, herbarium specimen (Meijer 15407, BR) with rehydrated flowers; E, Reekmansii clade, T. madagascariense, herbarium specimen (Evrard 11284, BR) with rehydrated flower; F, Reekmansii clade, T. wilczekianum Lawalrée, herbarium specimen (Milne-Redhead 3581, BR), dissected flower from rehydrated herbarium specimen (Malaisse 8407, BR). Asterisk denotes calyx lobe; G, Filipes clade, T. filipes, flowering shoot, flowers, fruit. Asterisks denote calyx lobes; H, Amicorum clade, T. amicorum, herbarium specimen and rehydrated flowers (Lisowski & al. 5736, BR); I, Viride clade, T. equisetoides, flower shoots and flower developmental series; J, Viride clade, T. fastigiatum, habit and flowers; K, Angulosum clade, T. angulosum, shoot with floral buds, flowers, fruit L.S.; L, Cupressoides clade, T. cupressoides, habit, flowers, young fruits; M, LDD2 clade, T. radicans, habit, fruits; N, LDD2 clade, T. psilotoides, herbarium specimen and rehydrated flowers and fruits (Williams 1310, NY); O, LDD2 clade, T. decaryanum, flowering shoot and closer view of flowers; P, Pallidum clade, T. pallidum, flowering shoots, flowers, fruit; Q, Cornigerum clade, T. cornigerum, shoot with flowers and young fruits, close-up of same; R, Kilimandscharicum clade, T. dolichomeras, habit, flowers, fruits; S, Resedoides clade, T. resedoides, habit, flower, young fruits; T, Gracile clade, T. gracile, habit, flowers, fruit. — For photo credits, see suppl. Appendix S3.
Fig. 4 in A tough nutlet to crack: Resolving the phylogeny of Thesium (Thesiaceae), the largest genus in Santalales
Fig. 4. Photographs of representatives of the major clades of mostly South African Thesium species. The numbers in the upper right corners correspond to clade numbers on the Bayesian tree (Fig. 2B,C). L.S = longitudinal section. A, African clade, T. nautimontanum, rehydrated herbarium specimens showing flower and young fruits (ˇSibík & ˇSibíková MS463, MA); B, Spinosum clade, T. spinulosum, shoot with flowers and fruits, flower and L.S., fruit L.S.; C, Namaquense clade, T. lacinulatum, habit, flower and fruits; D, Triflorum clade, T. scandens, flowering shoots, flowers, and fruit L.S.; E, Triflorum clade, T. triflorum; F, Core Cape clade, T. euphorbioides, flowering shoots, flowers, and fruit L.S.; G, Foliosum clade, T. foliosum, flowering shoots, flower L.S., and fruit L.S.; H, Ericaefolium clade, T. ericaefolium, flowering shoots, flowers, and fruits; I, Scirpioides clade, T. flexuosum, flowering shoots, flower L.S., and fruit L.S.; J, Strictum clade, T. albomontanum, habit, flower L.S., and fruits; K, Capitatum clade, T. carinatum, shoots with young fruits, flower L.S., and fruit L.S.; L, Annulata clade, T. funale, shoots with flowers and young fruits, flower L.S., and fruit L.S; M, Nigromontanum clade, T. nigromontanum, shoots with flowers and young fruits, flower L.S., and fruit L.S.; N, Virgatum clade, T. pseudovirgatum, habit, flower L.S., and fruit L.S.; O, Capitellatum clade, T. prostratum, flowering shoots, flower L.S., and fruit L.S.; P, Acuminatum clade, T. capituliflorum, flowering shoots, flower L.S., and fruit L.S.; Q, Hispidulum clade, T. hispidulum, flowering shoots, flower L.S., and fruit L.S.; R, Commutatum clade, T. commutatum, shoots with flowers and young fruits, flower L.S., and fruit L.S.; S, Gnidiaceum clade, T. gnidiaceum (left); T. impeditum (right), inflorescences; T, Gnidiaceum clade, T. oresigenum (left) showing pendant habit and flowers; T. phyllostachyum (right) inflorescence and flower close-up. — For photo credits, see suppl. Appendix S3.
Fig. 2 in A tough nutlet to crack: Resolving the phylogeny of Thesium (Thesiaceae), the largest genus in Santalales
Fig. 2. Phylogenetic analysis of Thesium using nuclear ribosomal internal transcribed spacer (ITS) sequences. This tree, rooted with Osyridicarpos and Lacomucinaea (outgroups) gives Bayesian posterior probabilities at the nodes. Clades discussed in the text are numbered. Geographical sources for the sampled taxa are abbreviated as follows: AFN = Northern Africa, AFS = Southern Africa, AFT = Tropical Africa, ASC = Central Asia, ASE = Eastern Asia, ASN = Northern Asia, ASS = Southern Asia, ASW = Western Asia, AUS = Australia, CIS = Canary Islands, EUR = Europe, MAD = Madagascar, SAM = South America, and USA = United States of America.
Fig. 1 in A tough nutlet to crack: Resolving the phylogeny of Thesium (Thesiaceae), the largest genus in Santalales
Fig. 1. Map showing the distribution of Thesium worldwide. Data from GBIF were vetted and used for generating the first iteration. Additional information was obtained from specimen records given in various Floras.
Fig. 6 in A tough nutlet to crack: Resolving the phylogeny of Thesium (Thesiaceae), the largest genus in Santalales
Fig. 6. Photographs of representatives of the major clades of Thesium species. The numbers in the upper right corners correspond to clade numbers on the Bayesian tree (Fig. 2D). L.S = longitudinal section. A, Alatum clade, T. alatum, flowering shoots, stem details, fruits (Goetghebeur 4512, BR); B, Alatum clade, T. utile, habit, flowers, fruit L.S.; C, Davidsoniae clade, T. davidsoniae, habit, flower, fruits; D, Multiramulosum clade, T. multiramulosum, shoots with flowers and fruits; E, Virens clade, T. subsimile, habit, inflorescence, rehydrated and dissected flowers (Balkwill & Balkwill 11245, MO); F, Nigrum clade, T. magalismontanum, habit, flower, fruit L.S.; G, Lobelioides clade, T. lobelioides, herbarium specimen and rehydrated and dissected flowers (Brenan 14920, UPS); H, Goetzeanum clade, T. goetzeanum habit, flower L.S., inflorescence; I, Gracilarioides clade, T. gracilarioides, flowering shoots, flower, young fruits; J, Gracilarioides clade, T. polygaloides, herbarium specimen and rehydrated and dissected flowers (Hobson 442, MO); K, Costatum clade, T. asterias, flowering shoots, flower, flower L.S., and young fruits; L, Costatum clade, T. costatum, excavated plant, flower, fruit. — For photo credits, see suppl. Appendix S3.
Fig. 5 in A tough nutlet to crack: Resolving the phylogeny of Thesium (Thesiaceae), the largest genus in Santalales
Fig. 5. Caption on next page.
Fig. 3 in A tough nutlet to crack: Resolving the phylogeny of Thesium (Thesiaceae), the largest genus in Santalales
Fig. 3. Caption on next page.
FIGURE 3 in Lacomucinaea, a new monotypic genus in Thesiaceae (Santalales)
FIGURE 3. Distribution of Lacomucinaea lineata obtained from 124 unique locations present on the GBIF herbarium record database. See Materials and Methods for sources of the biome maps for South Africa, Lesotho, Namibia, and Swaziland.
FIGURE 2. Lacomucinaea lineata vegetative and reproductive features. A. Plant habit. B in Lacomucinaea, a new monotypic genus in Thesiaceae (Santalales)
FIGURE 2. Lacomucinaea lineata vegetative and reproductive features. A. Plant habit. B. Base of stem showing bark features. C. Young branches bearing succulent leaves with petioles beginning to senesce. D. Older branches showing further senescence of leaves which eventually yellow and abscise leaving a peg-like petiolar stub. E. The flowers, here in bud stage, are borne singly in the axils of leaves. F. Inflorescences with flower buds and a flower in anthesis (photo by Nicky van Berkel, used with permission). G. Flower in longitudinal section, showing the two subtending bracteoles and the lobed hypanthial disk. H. Shoot with young and mature fruits. I. Closer view of fruits showing smooth surface and persistent corolla lobes at apex.
FIGURE 1 in Lacomucinaea, a new monotypic genus in Thesiaceae (Santalales)
FIGURE 1. Phylogenetic tree of Thesiaceae obtained from the concatenated ITS + trnLF dataset. Numbers at nodes show maximum parasimony bootstrap / maximum likelihood bootstrap / Bayesian inference posterior probabilities. The labels along the right side of the tree indicate taxa that have been considered genera distinct from Thesium, but those in parentheses (" ") considered here synonyms.
Figure 3 from: García MA, Nickrent DL, Mucina L (2018) Thesium nautimontanum, a new species of Thesiaceae (Santalales) from South Africa. PhytoKeys 109: 41-51. https://doi.org/10.3897/phytokeys.109.28607
Figure 3 Thesiumnautimontanum from the type herbarium specimen. For dimensions, see Figure 2. A spicate inflorescence subtended by bracts B close-up of inflorescence bracts C flower, lateral view, showing triangular external glands in corolla lobe sinuses D flower longitudinal section E ovary longitudinal section showing twisted placental column and ovules (one ovule removed to visualise the placentation) F close-up view of interior surface of corolla lobes showing unusual fleshy tissue on inner surface of corolla lobes G young fruit showing persistent corolla and reticulate outer wall of ovary.
Figure 4 from: García MA, Nickrent DL, Mucina L (2018) Thesium nautimontanum, a new species of Thesiaceae (Santalales) from South Africa. PhytoKeys 109: 41-51. https://doi.org/10.3897/phytokeys.109.28607
Figure 4 Phylogram for Thesiaceae that includes Thesiumnautimontanum sp. nov. (bold). Values at the nodes indicate maximum likelihood bootstrap, maximum parsimony bootstrap and Bayesian posterior probabilities. The scale bar represents number of substitutions per site. Branch lengths are proportional to the amount of substitutional change, except for the branch connecting the outgroup to the ingroup (here shorted for graphical purposes). Group (clade) names are from Nickrent and García (2015). The colour coding for the taxa indicates the general geographic distribution for the species as shown in the inset.
Figure 1 from: García MA, Nickrent DL, Mucina L (2018) Thesium nautimontanum, a new species of Thesiaceae (Santalales) from South Africa. PhytoKeys 109: 41-51. https://doi.org/10.3897/phytokeys.109.28607
Figure 1 Diagramatic longitudinal section through a generalised Thesium flower. The figure was composited from numerous species, hence not all features occur in one species. Nearly all characters shown are variable within the genus. The asterisk (*) indicates the unique fleshy tissue seen lining the corolla lobes in T.nautimontanum.
Figure 2 from: García MA, Nickrent DL, Mucina L (2018) Thesium nautimontanum, a new species of Thesiaceae (Santalales) from South Africa. PhytoKeys 109: 41-51. https://doi.org/10.3897/phytokeys.109.28607
Figure 2 Thesiumnautimontanum M.A. García, Nickrent & Mucina, sp. nov. A habit of plant showing sympodial branching B flowering shoot showing squamate condition, vegetative bracts grading into floral bracts and terminal spicate inflorescence C flower, lateral view D flower longitudinal section E young fruit subtended by bract and two bracteoles. Drawing by J. L. Castillo.
Fig. 4 in A tough nutlet to crack: Resolving the phylogeny of Thesium (Thesiaceae), the largest genus in Santalales
Fig. 4. Caption on next page.
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