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Zenodo
2012
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| Acceso en línea: | https://doi.org/10.5281/zenodo.16855292 |
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- <p><b>111. <i>Lasianthus setulosus</i> H.Zhu, <i>sp. nov.</i> — Fig. 35</b></p><p>Similis <i>L. borneensis</i> Merr., sed ramulis et foliis dense longiore hispidis, calycibus minoribus, lobis calycis ovato-triangulis, 1.5 mm longis, apice acutis differt.A <i>L. piloso</i> Wight foliis basi subrotundatis,bracteis inconspicuis, lobis calycis ovato-triangulis, 1.5 mm longis differt. —</p><p>Typus: <i>R. George et al. S. 42843</i> (holo L; iso K), Borneo, Limbang, on lower slope, 11 Sept. 1980.</p><p>Shrub or treelet, 2 – 2.5 m high; branchlets terete, slightly compressed, c. 2 mm diam, densely dark-brown hispid. <i>Leaves</i>: blades elliptic-lanceolate, 10–17 by 2.5 – 5 cm, chartaceous to subcoriaceous, densely dark-brown hispid both surfaces, apex acuminate, base subrounded, slightly asymmetric, midrib depressed above, prominent beneath, densely hispid both surfaces or lower surface in old leaves, nerves slightly depressed and obscure above, prominent beneath, 9–12 pairs, ascending at an angle of c. 70°, curved to the margin, hispid, nervules obscure above, conspicuous beneath, subreticulate, hispid; petioles 0.5 –1 cm long, densely hispid. <i>Stipules</i> subulate-triangular, c. 2 mm long, hispid. <i>Inflorescences</i> sessile, bracts inconspicuous. <i>Flowers</i> sessile, 5-merous; calyx campanulate, 3 by 3 mm, hispid, lobes 5, ovate-triangular, 1.5 by 1.5 mm, sparsely hispid both surfaces; corolla 6 mm long, tube puberulous external surface, lobes 5– 6, lanceolate, 2 mm long, hirsute external surface, floccose hairs on internal surface, densely white lanate at the mouth. <i>Drupes</i> globose, 4–5 mm diam, hispid, 5-ridged, crowned by the persistent 5 ovate-triangular calyx lobes; pyrenes 5.</p><p>Distribution <i>—</i> Borneo (Sarawak, Sabah, Brunei).</p><p>Habitat & Ecology — In forest. Flowering from September to November.</p><p><i>Additional specimens examined</i>. Sarawak, G. Mulu, <i>P.Chai S.39676</i> (L); Sg. Entulu, <i>B. Lee S.54731</i> (L); Belarga, <i>W.M.A. Brooke 9115</i> (L). Brunei, Temburong, <i>C. Hansen 1622</i> (L), <i>I. Nielsen</i> & <i>H. Balslev 1086</i> (AAU);Sukang, <i>D.W. Kirkup & S. Thomas 619</i> (AAU). Sabah,Apensiangan Kayu, <i>A. Mantor SAN 136864</i> (L).</p><p>Note <i>—</i> This species is similar to <i>L. borneensis</i>. It differs from the latter by having densely spreading long hispid on branchlets and leaves on both surface, calyx relatively small, 3 by 3 mm, calyx lobes ovate-triangular with acute apex; while <i>L. borneensis</i> has very short hispid (strigose) on branchlets and leaves beneath, calyx 5 by 5 mm, calyx lobes oblong with obtuse apex. It differs from <i>L. pilosus</i> by having leaves with subrounded base, bracts inconspicuous, calyx lobes ovate-triangular, 1.5 mm long. <i>Lasianthus pilosus</i> has leaves with subcordate base; bracts linear, 5 mm long; calyx lobes linear, up to 5 mm long or more.</p>