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45 results for “Podostemaceae”
FIGURE 1 in Contributions to the taxonomy of Rhyncholacis (Podostemaceae): Evidence of monophyly, description of a new species, and transfer of the monotypic Macarenia
FIGURE 1. Maximum likelihood (ML) topology of Podostemaceae inferred from a three-gene matrix (ntax = 40; 2340 bps). ML bootstrap percentages ≥ 50 are indicated above each branch. Specimen collector initials and collection numbers are given after the taxon names (see Appendix 1 for full voucher information).
FIGURE 4 in Paraphyletic Species of Podostemaceae: Cladopus fallax and Polypleurum wallichii
FIGURE 4. Root habits of Polypleurum. Roots are reproductive (with flowers or fruits borne on flanks, indicating root habit; vegetative in A) and exposed in the dry season. A, B, E, F, adhering roots (W type); C, D, floating roots (S type). A−C. P. wallichii (A = P. wallichii-2, Khao Yai National Park, Thailand; B = P. wallichii-3, Meghalaya, India; C = P. wallichii-1, Koh Kong, Cambodia). D, E. P. stylosum (D, E, Kerala, India). F. Dried-up root remains of P. schmidtianum (at top, light brown) with those of Cladopus fallax (at bottom and right, white gray) in Koh Kong, Cambodia.
FIGURE 2 in Paraphyletic Species of Podostemaceae: Cladopus fallax and Polypleurum wallichii
FIGURE 2. Bayes phylogenetic consensus tree deduced from ITS sequences. Numbers above and below branches are Bayesian posterior probabilities (≥0.80) and bootstrap values (≥50 %) of ML (left) and MP (right), respectively. For simplicity, species of Hydrobryum examined are united as 'Hydrobryum species' (see Appendix). The tree is rooted on a branch between a clade of Cladopus, Hanseniella and Hydrobryum and a clade of Polypleurum, Griffithella, Hydrobryopsis, Willisia and Zeylanidium.
FIGURE 3 in Paraphyletic Species of Podostemaceae: Cladopus fallax and Polypleurum wallichii
FIGURE 3. Bayes phylogenetic consensus tree deduced from concatenated matK and ITS sequences. Numbers above and below branches are Bayesian posterior probabilities (≥0.80) and bootstrap values (≥50 %) of ML (left) and MP (right), respectively. For simplicity, the species of Hydrobryum, both matK and ITS sequences of which were examined, are united as 'Hydrobryum species' (Appendix). C. fallax CAM-13a = LC380594 + LC380635; C. fallax CAM-13b = LC380594 + LC380636; C. fallax CAM-13c = LC380594 + LC380637; C. fallax CAM-19a = LC380595 + LC380638; C. fallax CAM-19b = LC380595 + LC380639; C. taiensis CAM-14a = LC380602 + LC380643; C. fallax CAM-14b = LC380602 + LC380644. The tree is rooted on a branch between a clade of Cladopus, Hanseniella and Hydrobryum, and Polypleurum.
FIGURE 1 in Paraphyletic Species of Podostemaceae: Cladopus fallax and Polypleurum wallichii
FIGURE 1. Bayes phylogenetic consensus tree deduced from matK sequences. Numbers above and below branches are Bayesian posterior probabilities (≥0.80) and bootstrap values (≥50 %) of ML (left) and MP (right), respectively. Single asterisk (*) indicates that specimen JK- Manose is followed by additional specimens with the same sequence, JK-02, JK-Yamazaki, JK-Anraku, JP-127, JK-Mawatari, and CH-02. Double asterisk (**) indicates that specimen CP-07 is followed by additional specimens with the same sequence, CP-22, 24, 27, and 29. For simplicity, species of Hanseniella, Hydrobryum, Hydrodiscus and Thawatchaia examined are united as a single clade (for materials see Appendix). The tree is rooted on a branch between a clade of Cladopus, Hanseniella, Hydrobryum, Hydrodiscus, Paracladopus and Thawatchaia, and a clade of Polypleurum, Griffithella, Hydrobryopsis, Willisia and Zeylanidium.
FIGURE 2 in New records of riverweeds (Podostemaceae) from the tropical Andes (Ecuador and Colombia): getting our feet wet to bypass collection bias in Neotropical rivers
FIGURE 2. Map of tropical South America with past records (blue) and the records published in this study (black) of Lophogyne aeruginosa (triangles) and Tristicha trifaria (cross marks).
Data from: Molecular phylogeny of Terniopsis (Podostemaceae) and contrasting molecular and morphological variations in two species
Open the record for dataset details and reuse information.
Data from: Elevated mutation rates underlie the evolution of the aquatic plant family Podostemaceae
<p>Molecular evolutionary rates vary among lineages and influence the evolutionary process. Here, we report elevated genome-wide mutation rates in Podostemaceae, a family of aquatic plants with a unique body plan that allows members to live on submerged rocks in fast-flowing rivers. Molecular evolutionary analyses using 1,640 orthologous gene groups revealed two historical increases in evolutionary rates: the first at the emergence of the family and the second at the emergence of Podostemoideae, which is the most diversified subfamily. In both branches, synonymous substitution rates were elevated, indicating higher mutation rates. On early branches, mutations were biased in favour of AT content, which is consistent with a role for ultraviolet light-induced mutation and a habitat shift. In ancestors of Podostemoideae, DNA-repair genes were enriched in genes under positive selection, which may have responded to the meristem architectural changes.</p>
Supplementary material 1 from: Zhang M, Zhang X-H, Ge C-L, Chen B-H (2022) Terniopsis yongtaiensis (Podostemaceae), a new species from South East China based on morphological and genomic data. PhytoKeys 194: 105-122. https://doi.org/10.3897/phytokeys.194.83080
Appendix
Supplementary material 1 from: Chen B-H, Zhang M, Zhao K, Zhang X-H, Ge C-L (2022) Polypleurum chinense (Podostemaceae), a new species from Fujian, China, based on morphological and genomic evidence. PhytoKeys 199: 167-186. https://doi.org/10.3897/phytokeys.199.85679
Appendix
Supplementary material 2 from: Krishnan R, Khanduri P, Tandon R (2019) Zeylanidium manasiae, a new species of Podostemaceae based on molecular and morphological data from Kerala, India. PhytoKeys 124: 23-38. https://doi.org/10.3897/phytokeys.124.33453
: Data type: measurement
Supplementary material 1 from: Krishnan R, Khanduri P, Tandon R (2019) Zeylanidium manasiae, a new species of Podostemaceae based on molecular and morphological data from Kerala, India. PhytoKeys 124: 23-38. https://doi.org/10.3897/phytokeys.124.33453
: Data type: species data
Supplementary material 3 from: Krishnan R, Khanduri P, Tandon R (2019) Zeylanidium manasiae, a new species of Podostemaceae based on molecular and morphological data from Kerala, India. PhytoKeys 124: 23-38. https://doi.org/10.3897/phytokeys.124.33453
: Data type: species data
Figure 5 from: Krishnan R, Khanduri P, Tandon R (2019) Zeylanidium manasiae, a new species of Podostemaceae based on molecular and morphological data from Kerala, India. PhytoKeys 124: 23-38. https://doi.org/10.3897/phytokeys.124.33453
Figure 5 Phylogram of the consensus tree obtained by the Bayesian inference in Mr Bayes. Zeylanidium clade has been highlighted. Numbers above the branches indicate values of posterior probabilities.
Figure 4 from: Krishnan R, Khanduri P, Tandon R (2019) Zeylanidium manasiae, a new species of Podostemaceae based on molecular and morphological data from Kerala, India. PhytoKeys 124: 23-38. https://doi.org/10.3897/phytokeys.124.33453
Figure 4 Scanning electron micrographs A seed with reticulate spermoderm pattern B dyad pollen with micro-echinate ornamentation over the apertural (ap) and non apertural regions (np). Scale bars: 50 μm (A); 5 μm (B).
Figure 3 from: Krishnan R, Khanduri P, Tandon R (2019) Zeylanidium manasiae, a new species of Podostemaceae based on molecular and morphological data from Kerala, India. PhytoKeys 124: 23-38. https://doi.org/10.3897/phytokeys.124.33453
Figure 3 ZeylandiummanasiaeA habitat and habit showing plants on exposed rock surface (arrows) B habit of the plant showing solitary horizontally appressed flowering shoots C ventral surface of the thalli with haptera (arrows) D thalli bearing floriferous shoots on margins and point of branching E a young flower bud covered by bracts F floriferous shoot with flower subtended by two bracts. A pair of leaves can also be seen (arrows) G flower with spathella removed showing an anther and two tepals (arrows) H longitudinal section of floral bud enclosed in a spathella (sp). The ovary is bilocular and divided into two unequal halves by an apical septum (arrows). Numerous anatropous ovules (ov) are borne on a swollen placenta (p). One of the anthers in section shows a copious amount of dyad pollen I forked andropodium with two anthers J a mature capsule K a dehisced capsule showing persistent valve L comparative fruit morphology of congenerics. (Left to right) Z.maheshwarii, Z.lichenoides, Z.olivaceum and Z.manasiaeM Comparative morphology of stigma. (Left to right) Z.maheshwarii, Z.lichenoides, Z.olivaceum and Z.manasiae. Scale bars: 2 mm (B); 3 mm (C); 2 mm (D); 1 mm (E); 2 mm (F); 0.5 mm (G); 0.2 mm (H); 0.5 mm (I); 1 mm (J); 1 mm (K); 5 mm (L).
Figure 2 from: Krishnan R, Khanduri P, Tandon R (2019) Zeylanidium manasiae, a new species of Podostemaceae based on molecular and morphological data from Kerala, India. PhytoKeys 124: 23-38. https://doi.org/10.3897/phytokeys.124.33453
Figure 2 ZeylandiummanasiaeA habit showing mature fruits B floral bud enclosed in spathella and subtended by two bracts C flower showing andropodium, tepals and unequal stigmatic lobes D longitudinal section of the ovary, showing unequal locules E capsule. Illustration by Rajesh Tandon.
Figure 1 from: Krishnan R, Khanduri P, Tandon R (2019) Zeylanidium manasiae, a new species of Podostemaceae based on molecular and morphological data from Kerala, India. PhytoKeys 124: 23-38. https://doi.org/10.3897/phytokeys.124.33453
Figure 1 Distribution map of Zeylandiummanasiae (red dot). Thommenkuthu Waterfalls, Idukki, Kerala (Map constructed using ArcGIS 9.2 software).
Fig. 1 in Las Podostemaceae como hábitat para los macroinvertebrados en arroyos de Misiones (Argentina)
Fig. 1. Abundancia total de macroinvertebrados asociados a las podostemÁceas en los sitios 1 y 2 durante las cuatro estaciones del año, Misiones, Argentina.
FIGURE 2 in Apinagia brejoagrestinensis (Podostemaceae): a new rheophyte from the Atlantic Forest of northeastern Brazil
FIGURE 2. Holotype of Apinagia brejoagrestinensis (UFP 50258).
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