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11 results for “Plukenetieae”
FIG. 5 in Plukenetia kwangoensis sp. nov. (Euphorbiaceae, Acalyphoideae, Plukenetieae), a new species of Plukenetia L. sect. Hedraiostylus (Hassk.) Müll.Arg. from Democratic Republic of Congo
FIG. 5. — Distribution of Plukenetia kwangoensis L.J.Gillespie, sp. nov. in the Democratic Republic of Congo,central Africa: A, location of the single known collection, Germain 2617, indicated by orange square, corresponding to inset B; B, approximate locality in Nseke Gambi savanna, Kwango Province shown by orange circle.
FIG. 3. — Plukenetia kwangoensis L.J in Plukenetia kwangoensis sp. nov. (Euphorbiaceae, Acalyphoideae, Plukenetieae), a new species of Plukenetia L. sect. Hedraiostylus (Hassk.) Müll.Arg. from Democratic Republic of Congo
FIG. 3. — Plukenetia kwangoensis L.J.Gillespie, sp. nov., Germain 2617 (BR0000015669865): A, staminate flowers; B, pistillate flower; C, immature fruit. Scale bars: A, B, 1 mm; C, 2 mm.
FIG. 4. — Plukenetia kwangoensis L.J in Plukenetia kwangoensis sp. nov. (Euphorbiaceae, Acalyphoideae, Plukenetieae), a new species of Plukenetia L. sect. Hedraiostylus (Hassk.) Müll.Arg. from Democratic Republic of Congo
FIG. 4. — Plukenetia kwangoensis L.J.Gillespie, sp. nov., Germain 2617 (MO): A, pollen grain, polar view; B, closeup of foveolate tectum. Scale bars: 5 µm.
FIG. 2. — Plukenetia kwangoensis L.J in Plukenetia kwangoensis sp. nov. (Euphorbiaceae, Acalyphoideae, Plukenetieae), a new species of Plukenetia L. sect. Hedraiostylus (Hassk.) Müll.Arg. from Democratic Republic of Congo
FIG. 2. — Plukenetia kwangoensis L.J.Gillespie, sp. nov., holotype specimen: R.G.A. Germain 2617 (BR0000015669865).
FIG. 1. — Plukenetia kwangoensis L.J in Plukenetia kwangoensis sp. nov. (Euphorbiaceae, Acalyphoideae, Plukenetieae), a new species of Plukenetia L. sect. Hedraiostylus (Hassk.) Müll.Arg. from Democratic Republic of Congo
FIG. 1. — Plukenetia kwangoensis L.J.Gillespie, sp. nov., Germain 2617 (MO): A, habit; B, pistillate flower; C, immature fruit; D, mature fruit; E, seed. Illustration by Jessica Cosham. Scale bars: A, 1 cm; B, C, E, 1 mm; D, 5 mm.
Data from: Monadelpha (Euphorbiaceae, Plukenetieae), a new genus of Tragiinae from the Amazon rainforest of Venezuela and Brazil
<p class="MsoPlainText"><span><span><span><span><span><span><span><span><span><span><span><i>Monadelpha </i>L.J.Gillespie & Card.-McTeag., <b>gen. nov</b>.<i>,</i> is described as a new member of Euphorbiaceae tribe Plukenetieae subtribe Tragiinae, to accommodate <i>Tragia guayanensis</i>, a species known from western Amazonas, Venezuela and, newly reported here, from Amazonas, Brazil. The genus is unique in the subtribe for having 5-colpate pollen and staminate flowers with filaments entirely connate into an elongate, cylindrical staminal column terminated by a tight cluster of anthers. Phylogenetic analyses based on nuclear rDNA ITS and sampling 156 accessions across the diversity of Tragiinae (all 12 genera and 77 of ~195 species) also support <i>Monadelpha</i> as a distinct lineage that is separate from <i>Tragia</i>. A revised key to the genera of Tragiinae in South America and Central America is provided.</span></span></span></span></span></span></span></span></span></span></span></p>
Data from: Monadelpha (Euphorbiaceae, Plukenetieae), a new genus of Tragiinae from the Amazon rainforest of Venezuela and Brazil
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Data from: Molecular phylogeny and pollen evolution of Euphorbiaceae tribe Plukenetieae
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Figure 2 from: Gillespie LJ, Cardinal-McTeague WM, Wurdack KJ (2020) Monadelpha (Euphorbiaceae, Plukenetieae), a new genus of Tragiinae from the Amazon rainforest of Venezuela and Brazil. PhytoKeys 169: 119-135. https://doi.org/10.3897/phytokeys.169.59244
Figure 2 Pollen morphology of Monadelpha guayanensisA SEM of pollen grain showing polar view with five colpi B closeup of mesocolpium and two colpi. Source: Stergios & Aymard 9182 (MO). Figure reproduced from Gillespie (1994b) with permission from the Missouri Botanical Garden Press.
Figure 3 from: Gillespie LJ, Cardinal-McTeague WM, Wurdack KJ (2020) Monadelpha (Euphorbiaceae, Plukenetieae), a new genus of Tragiinae from the Amazon rainforest of Venezuela and Brazil. PhytoKeys 169: 119-135. https://doi.org/10.3897/phytokeys.169.59244
Figure 3 Phylogenetic relationships of Monadelpha. Bayesian 50% majority rule consensus tree for the 159-accession (80 taxa) ITS dataset of Tragiinae, demonstrating the distinct phylogenetic placement of Monadelpha (subclade T6/9). Subclade naming system follows Cardinal-McTeague and Gillespie (2016) with minor adjustments. Branches are labeled with Bayesian posterior probabilities (PP) and maximum likelihood bootstrap percentages (MLBP). Bold branches indicate strong support (PP >0.95, MLBP >85) and coloured boxes indicate general distribution (New World = blue, Old World = yellow).
Figure 1 from: Gillespie LJ, Cardinal-McTeague WM, Wurdack KJ (2020) Monadelpha (Euphorbiaceae, Plukenetieae), a new genus of Tragiinae from the Amazon rainforest of Venezuela and Brazil. PhytoKeys 169: 119-135. https://doi.org/10.3897/phytokeys.169.59244
Figure 1 Illustration of Monadelpha guayanensis. A habit showing staminate inflorescence B staminate flower C habit showing infructescence D pistillate flower E mericarp of dehisced capsule with enclosed seed F seed, lateral view with hilum at top. Sources: A, B based on Stergios & Aymard 9182 (MO) C–F based on Stergios & Aymard 9182 (NY). Illustration by Cathy Pasquale reproduced from Gillespie (1994b) with permission from the Missouri Botanical Garden Press.
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