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2025
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| Accés en línia: | https://doi.org/10.5281/zenodo.16710074 |
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- <p><b>22. <i>Iguanura namsabiensis</i> Henderson, Mu Mu Aung & Armstrong (2020: 77).</b> Type:— MYANMAR. Sagaing Region, Hkamti District, Homalin Township, just outside Htamanthi Wildlife Sanctuary, Nam Sa Bi Village Management Area, 25˚19’2.7”N 95˚21’52.2”E, 155 m, 25 September 2016, <i>K. Armstrong, Thet Yu Nwe, Phyu Hnin, Kyaw Zin Aung, Win Zaw Myint, Lin Zaw, Han Sein Myint & Phoe La Pyae 1596</i> (holotype NY-02654852!, NY-02654875!, isotypes E <i>n.v.</i>, RAF <i>n.v.</i>).</p><p><b>Stems</b> length, diameter, and branching not recorded. <b>Leaf</b> sheaths not recorded; ocreas well-developed, separating early into fibers and disintegrating; petioles 14.0 cm long; rachises 89.0 cm long; leaf blades divided, deeply bifid at the apices; leaf veins diverging; adaxial leaf veins not prominent adaxially, triangular in cross-section; pinnae number not recorded; middle pinna 31.7 cm long, 4.3 cm wide. <b>Inflorescences</b> branched to 1 order; prophylls and peduncular bracts inserted close together at base of peduncle and both early deciduous before anthesis; peduncles 2.2 cm long, not wooly tomentose; rachises length not recorded; rachillae 9, 23.2 cm long, 2.3 mm diameter, widely diverging from the rachis, glabrous or sparsely tomentose, not filiform; rachilla bracts not elongate; distal triad bracteoles scarcely developed or absent; distal part of flower pits glabrous; staminate flowers not recorded; anther margins not recorded; <b>fruits</b> size not recorded, ellipsoid, not ridged, with a pebbled surface, color not recorded; endocarp not recorded; endosperm not recorded.</p><p><b>Distribution and habitat</b>:—Northern Myanmar in primary forest at 155 m elevation (Fig. 12).</p><p><b>Taxonomic notes:—</b> Preliminary species <i>Iguanura namsabiensis</i> had a unique combination of character states and is recognized as a phylogenetic species. It is characterized by its prophylls and peduncular bracts inserted close together at base of peduncle and both early deciduous before anthesis, and ellipsoid fruits.</p>