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23 results for “Begonia sect. Coelocentrum”
Figure 3 from: Dong L-N, Nguyen KS, Shui Y-M, Nguyen HQ, Xu W, Nguyen XK (2021) Begonia catbensis (sect. Coelocentrum, Begoniaceae), a new species from northern Vietnam. PhytoKeys 179: 1-12. https://doi.org/10.3897/phytokeys.179.65812
Figure 3 Distribution map of Begonia catbensis and its closest related species (The map is modified from https://en.wikipedia.org/wiki/Mainland_Southeast_Asia).
TABLE 1 in Begonia datii (sect. Coelocentrum Begoniaceae) a new species from Quang Binh Province, Central Vietnam
<p><b>TABLE 1.</b> Comparison of <i>Begonia datii</i>, <i>B. bamaensis</i>, <i>B. filiformis</i>, <i>B. longistyla</i>, <i>B. morsei</i>., <i>B. morsei</i> var. <i>myriotricha</i> and B. scabrifolia.</p><table><tbody><tr><th></th><th><i>B. datii</i></th><th><i>B. bamaensis</i></th><th><i>B. filiformis</i></th><th><i>B. longistyla</i></th><th><i>B. morsei</i></th><th><i>B. morsei</i> var. <i>myriotricha</i></th><th><i>B. scabrifolia</i></th></tr><tr><th><b>Leaf</b></th></tr></tbody><tbody><tr><th>size (cm)</th><td>13–22.5 × 8.5–16</td><td>7–32 × 5.7–30</td><td>9–22 × 9–14</td><td>6–10 × 4–6</td><td>5–14 × 4–10.5</td><td>3–13 × 2.5–10</td><td>9–14.5 × 6–8.5</td></tr><tr><th>texture</th><td>rugose</td><td>relatively flat</td><td>rugose</td><td>rugose</td><td>rugose</td><td>rugose</td><td>relatively flat</td></tr><tr><th>adaxial vestiture</th><td>puberulous</td><td>setulose to hispidulous</td><td>pilose-setulose</td><td>pilose-setulose</td><td>setulose</td><td>setulose</td><td>shortly scabrous</td></tr><tr><th>maculation</th><td>white patches between veins, sometimes completely green</td><td>white patches between veins</td><td>white patches between veins, sometimes completely green</td><td>white dots between veins</td><td>white ring-shaped belt</td><td>white patches between veins</td><td>white patches between veins, sometimes completely green</td></tr><tr><th><b>♁ flower</b></th></tr><tr><th>pedicel vestiture</th><td>villous to glabrous</td><td>glabrous or pilose</td><td>glandular-hispid</td><td>glabrous</td><td>glabrous</td><td>hispid</td><td>sericeous</td></tr><tr><th>tepals color</th><td>pinkish-white to pink</td><td>pinkish-white, white or greenish white</td><td>pale green or yellowish-green</td><td>pale green, sometimes tinged red basally</td><td>unknown</td><td>pink</td><td>white to pale pink</td></tr><tr><th>outer tepals</th></tr><tr><th>size (mm)</th><td>8–15 × 10–13</td><td>7–14.5 × 7–13.5</td><td>8–12 × 7–8</td><td>4–5 × 4–5</td><td>6–11 × 6.5–10</td><td><i>ca.</i> 5 × 5.5</td><td>12–18 × 16–20</td></tr><tr><th>abaxial vestiture</th><td>glabrous or villous</td><td>pilose</td><td>glandular-hispid</td><td>glabrous</td><td>glabrous</td><td>hispid</td><td>sericeous</td></tr><tr><th>♀ flower</th></tr><tr><th>tepals color</th><td>pink</td><td>white or pinkish-white</td><td>greenish-white</td><td>pale green, sometimes tinged red basally</td><td>unknown</td><td>unknown</td><td>white to pale pink</td></tr><tr><th>ovary vestiture</th><td>glabrous</td><td>hirsute-pilose or villous-pilose</td><td>glandular-hispid</td><td>glabrous</td><td>glabrous</td><td>unknown</td><td>sericeous</td></tr><tr><th><b>Capsule</b></th></tr><tr><th>size (mm)</th><td>15–20 × 15–24</td><td>7–12 × 11–17</td><td>7–10 × 8–10</td><td><i>ca.</i> 6.5 × 6</td><td>8–10 × 5–8</td><td>unknown</td><td><i>ca.</i> 10 × 12.5</td></tr><tr><th>abaxial wing</th><td>straight</td><td>curved toward one side</td><td>straight</td><td>straight</td><td>straight</td><td>unknown</td><td>straight</td></tr><tr><th>shape</th><td>crescent-shaped to sub-triangular</td><td>crescent-shaped</td><td>ligulate to crescent-shaped</td><td>very narrowly crescent-shaped</td><td>narrowly crescent-shaped</td><td>unknown</td><td>crescent-shaped</td></tr><tr><th><b>Distribution</b></th><td>Central Vietnam</td><td>southwestern China</td><td>southwestern China to northern Vietnam</td><td>southwestern China</td><td>southwestern China</td><td>southwestern China</td><td>southwestern China</td></tr></tbody></table>
FIGURE 5. Begonia filiformis Irmsch. A in A new species Begonia wiformis, and a new record of B. filiformis (B. sect. Coelocentrum, Begoniaceae) from nothern Vietnam
FIGURE 5. Begonia filiformis Irmsch. A. Habit; B, B'. Portion of leaf, upper and lower surfaces; C, C'. Stipule of rhizome and the base of inflorescence; D, D', D'', D'''. Bracts; E, E', E''. Staminate flower, face, side and back views; F, F'. Stamens, dorsal and ventral views; G, G'. Pistillate flower, face and side views; H, H'. Style and stigmatic band, dorsal and ventral views; I. Cross section of an immature capsule, J. Capsule.
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