Checklist of aroids (Alismatales, Araceae) from Sabah (Malaysian Borneo) Wong, Sin Yeng Joling, Jyloerica Check List 2021 2021-06-17 17 3 931 974 4S43C M. Hotta M. Hotta [810,1235,428,453] Liliopsida Araceae Rhaphidophora Plantae Alismatales 28 959 Tracheophyta species latevaginata    Materialexamined.  MALAYSIA–  Pantai Barat• Penampang, Moyog, along road between Kota Kinabalu and Tambunan,  21 milesSE of Kota Kinabalu, W slopes of Crocker Range; 05°50′N, 116°14′E;  460 melev.;  26 September 1981; T. B. Croat53118 ( MO, SAR) •  Ranau, Bukit Kulung; 06°01′26″N, 116°40′18″E;  6 October 1987; W. Meijer SAN 122414( SAN)–   Sandakan• Sandakan, Phenological Trail Above Sawmill; 05°51′19″N, 117°53′04″E;  60.96-91.44 m(  200 ft.-  300 ft.) elev.; 15 De- cember 1990; Dewol& Meijer SAN 131653( SAN).   Identification.The juvenile and pre-adult stages of   R. latevaginataand  R. korthalsiiare superficially similar and to non-specialist difficult to differentiate.  Rhaphidophora latevaginatahas petiolar sheath that is long-persistent (vs. very rapidly marcescent), mostly adnate (vs. mostly free) with the wings strongly unequal (vs. weakly or not at all unequal), shortly free-auriculate (vs. long, narrowly triangular free-ligulate) and petiole of  R. latevaginataproportionately longer (petiole: blade ca. 1:5 vs. ca. 1:12) ( Ahmad Sofiman and Boyce 2010).   Distribution and ecology.Northwest and northeastern Sabah. Primary to secondary moist lowland to hill dipterocarp forest on clay and sandstone. 50–840 melev. 1981-09-26 MO, SAR T. B. Croat Malaysia Penampang 460 5.8333335 Crocker Range 1305 116.23333 Moyog 28 959 1 Pantai Barat 1987-10-06 SAN W. Meijer Malaysia 6.023889 Bukit Kulung 21 116.67166 Ranau 28 959 SAN 122414 1 Pantai Barat SAN Dewol & Meijer Malaysia 76 5.8552775 Phenological Trail Above Sawmill 21 117.884445 Sandakan 28 959 SAN 131653 1 Sandakan