Magnolia champacifolia Kottaimuthu 2024, sp. nov.

Magnolia champacifolia J. E. Dandy ex F. Gagnepain, sp. nov. (Fig. 1) Magnolia champacifolia J. E. Dandy ex F. Gagnepain in Vu et al., Adansonia, sér. 3, 37 (1): 14 (Vu et al. 2015), nom. inval. — Magnolia champacifolia Dandy ex Gagnep., Fl. Indo-Chine [P.H. Lecomte et al.] Suppl.: 39 (Gagnepain 1938), nom. inval. TYPE MATERIAL. — Vietnam • Annam, Province Nhatrang, Nord de Ninh Hoa, versant sud-est du massif de la Mère et l’Enfant; 1300 m; 17.V.1923; Poilane 6472; holotype: P [P00203965!]; isotype: P [P00204036!]). DISTRIBUTION. — Vietnam. NOTE Singularly,Chen Bao Liang and Xia Nianha independently annotated the type specimens(P00203965 andP00203966) of Magnolia champacifolia J. E. Dandy ex F. Gagnepain as M.albosericea Chun &Tsoong. According toVu et al. (2015) M. champacifolia and M.albosericea belongs to the section Gwillimia DC (Figlar & Nooteboom 2004), but the former species can be distinguished from the latter by its leaf blades lanceolate, midvein densely villous, apex acuminate (vs. oblong-elliptic, midvein sparsely long sericeous, apex acute to short acuminate in M.albosericea), lateral veins 13-14 pairs (lateral veins 15-20 pairs in M. albosericea), petiole c. 4.5 cm long, densely villous when young (vs petiole up to 3.5 cm long, glabrous when young in M. albosericea) and spathe densely villous (vs densely papillate in M. albosericea).