Checklist of aroids (Alismatales, Araceae) from Sabah (Malaysian Borneo) Author Wong, Sin Yeng Author Joling, Jyloerica text Check List 2021 2021-06-17 17 3 931 974 http://dx.doi.org/10.15560/17.3.931 journal article 10.15560/17.3.931 1809-127X Rhaphidophora fluminea Ridl. Material examined. MALAYSIA – Pedalaman • Keningau , Camp C area Tiulan ; 05°07′31″N , 116°23′02″E ; 31 October 1983 ; Maikin Lantoh SAN 102053 ( SAN ) • Keningau , Lanas , Shang Lian logging area; 05°25′03″N , 116°29′28″E ; 21 October 1986 ; Fidilis Krispinus SAN 118444 ( SAN ) • Keningau , Ulu Sungai Matud ; 05°12′N , 116°06′E ; 29 June 1987 ; Shawn Tangki SAN 119596 ( SAN ) • Keningau , Ulu Sungai Pingas-Pingas , along the riversides; 05°14′20″N , 116°40′32″E ; 8 March 1988 ; Sumbing Jimpin SAN 122024 ( SAN ) • Pensiangan , logged areas, Ponontomon ; 05°01′21″N , 115°57′15″E ; 23 September 1989 ; Sumbing Jimpin SAN 128024 ( SAN ) • Pensiangan , Pensiangan Kayu ; 04°52′02″N , 116°16′53″E ; 21 January 1994 ; Asik Mantor SAN 136885 ( SAN ) – Pantai Barat • Ranau , Kampung Paus , edge of riverbank; 05°41′12″N , 116°47′02″E ; 23 February 1982 ; Amin G. SAN 94681 ( SAN ) – Sandakan • Beluran , Labuk & Sugut , Doji , western side of Bt. Doji and pass way from Telupid to Ulu Karamuak ; [ 05°37′42″N , 117°06′48″E ]; 100 m elev.; 25 October 1968 ; Kokawa & Hotta 471 (L) • Beluran , Sungai Baba ; 05°45′01″N , 117°08′40″E ; 1 March 1980 ; Aban G. SAN 90040 ( SAN ) • Kinabatangan , Imbak Canyon ; 05°07′N , 116°58′E ; 160 m elev.; 15 May 2004 ; H. Nagamasu 7278 (K, KEP , KYO , L) • Sandakan , Babakang River , VJR Mile 42; 05°06′42″N , 118°59′39″E ; 16 December 1985 ; Lideh et al. SAN 118056 ( SAN ) • Sandakan , Labuk & Sugut , along Sungai Meliau , foot of Mt. Tawai , Telupid ; [ 05°30′33″N , 117°3′54″E ]; 20 Octo- ber 1968; Kokawa & Hotta 110 (L) • Sandakan , Labuk Road Mile 45; [ 05°41′57″N , 117°36′12″E ]; 26 July 1964 ; W. Meijer SAN 44014 (K, L, SAN ) • Sandakan , Labuk Sugut , Ulu Tungud , Ensuan ; 05°47′20″N , 117°07′58″E ; 26 January 1987 ; Amin K. & Mansus SAN 117025 ( SAN ) • Sandakan , Lamag , Sungai Lokan ; [ 05°29′51″N , 117°20′03″E ]; 5 June 1983 ; Amin K. et al. SAN 97483 ( SAN ) • Sandakan , Lamag , Ulu Sungai Lokan , side of streams on rocks; [ 05°29′51″N , 117°20′03″E ]; 8 No- vember 1979; Aban G. & Petrus SAN 90675 ( SAN ) • Sandakan , Lungmanis , Virgin Jungle Reserve 45 A; 05°38′40″N , 117°43′25″E , 19 December 1985 ; De- wol S. et al. SAN 118075 ( SAN ) • Sandakan , Sepilok Forest Reserve ; 05°49′36″N , 117°57′04″E ; 17 January 1989 ; Kessler SAN 118160 ( SAN ) • Sandakan , Trail to Ulu Sungai Tariu , Kampung Wonod ; [ 05°38′38″N , 117°05′24″E ]; 14 March 1974 ; Aban G. & Saikeh , SAN 79387 ( SAN ) • Telupid , Penangah Forest Reserve ; 4°58′41″N , 116°52′11″E ; 20 July 1993 ; Fidilis K. SAN 135710 ( SAN ) • Telupid , VJR Ulu Sungai Sapapayau , at riverbank of Sungai Merah ; 05°30′N , 118°30′E ; 15 October 1985 ; Dewol S. et al. SAN 109519 ( SAN ) – Tawau • Kalabakan , Batu Timbang VJR, 06°27′14″N 116°48′07″E ; 12 March 2015 , Ubaldus, M. & Tawadong, T. SAN 157055 ( KEP , SAN ) . Identification. Rhaphidophora fluminea is differentiated from R. beccarii Engl. (both species are rheophytes) by having falcate, narrow, entire leaf blades and a bright yellow spathe and spadix vs. mature leaf blade pinnatifid to pinnatisect and a creamy yellow spathe and spadix. Distribution and ecology. Rhaphidophora fluminea is endemic to Sabah . Widespread. Occurs on exposed mud near river.