Notes on South-East Asian Diospyros L. (Ebenaceae, Ericales): commonly misidentified species in mainland South-East Asia Author Meeprom, Nattanon Herbarium, School of Biological Sciences, Health and Life Sciences Building, University of Reading, Reading, RG 6 6 AS, UK. & Royal Botanic Gardens, Kew, Richmond, TW 9 3 AE, UK. & Royal Botanic Garden, Edinburgh, 20 A, Inverleith Row, Edinburgh, EH 3 5 LR, UK. nmeeprom@rbge.org.uk, nattanon.botany@gmail.com Author Duangjai, Sutee Department of Forest Biology, Faculty of Forestry, Kasetsart University, 50 Ngam Wong Wan Road, Lat Yao, Chatuchak, Bangkok, 10900, Thailand. fforsud@nontri.ku.ac.th Author Utteridge, Timothy M. A. Royal Botanic Gardens, Kew, Richmond, TW 9 3 AE, UK. & Singapore Botanic Gardens, National Parks Board, 1 Cluny Road, 259569, Singapore. Timothy_utteridge@nparks.gov.sg Author Culham, Alastair Herbarium, School of Biological Sciences, Health and Life Sciences Building, University of Reading, Reading, RG 6 6 AS, UK. a.culham@reading.ac.uk Author Puglisi, Carmen Royal Botanic Gardens, Kew, Richmond, TW 9 3 AE, UK. & Missouri Botanical Garden, 4344 Shaw Blvd., St. Louis, MO, 63110, USA. cpuglisi@mobot.org text European Journal of Taxonomy 2024 2024-05-10 932 225 251 https://europeanjournaloftaxonomy.eu/index.php/ejt/article/download/2533/11419 journal article 10.5852/ejt.2024.932.2533 2118-9773 11178563 Diospyros dictyoneura Hiern Fig. 7A–C Transactions of the Cambridge Philosophical Society 12: 192 ( Hiern 1873 ) . – Type : MALAYSIAN BORNEO • Sarawak , Mt. Mattang , near Kuching ; Sep. 1866 ; Beccari PB 2615 ; lectotype : K [ K000792679 ]!, designated by De Kok & Puglisi (2021) ; isolectotypes : FI [ FI008993 ]!, P [ P00721798 ] !. Bakhuizen van den Brink (1938: 257 ; 1955 : pl. 57 figs y–z); Ng (1977: 218 ; 1978: 68 ; 2002: 55 ). Description Tree, 8–25 m tall. Leaves elliptic to elliptic-oblong, 9–17 × 5–7 cm , base rather rounded, apex acuteround or acuminate-rounded, blade coriaceous when dried, glabrous on both sides; lateral veins 6–9 on each side, not parallel, anastomosing near the margin, raised below, tertiary veins reticulate; petiole 1–1.5 cm long, glabrous. Male inflorescences 3–6-flowered, 3–4 cm long, hairy. Calyx campanulate, subglabrous to hairy on both sides; lobes 5, rarely 4, divided ⅔ of the way to the base, broadly ovate, 3–5 × 3–5 mm , apex acuminate to caudate. Corolla tubular when closed, hairy outside, opened male corolla not seen; lobes 5, divided about ⅓ of the way to the base, ovate, apex rounded. Female inflorescences 1–3-flowered, 2–3 cm long, hairy. Female calyx and corolla similar to male flowers. Fruits elongated, ovoid to ellipsoid, 3.5–5 × 2–2.5 cm , hairy outside with brownish or yellowish hairs when young, glabrescent when old; fruit stalk stout to slender, 1–2.5(–4) cm long. Fruiting calyx strongly accrescent, campanulate, 2.5–3 cm in diam. ( 4–6 cm in diam. when fully spread), subglabrous to pubescent on both sides; lobes 5, rarely 4, divided ⅔ of the way to the base, oblong or ovate, 2–2.5 × 2–3 cm , apex acute or acuminate, curved inward enclosing the base of the fruit, never reflexed, base plicate. Seeds ca 2 × 1 cm ; endosperm smooth. Distribution BRUNEI • Location not specified [ Ashton 7868 ( K ), Bernstein 179 ( BURN , K )], Belait [ Ashton 7868 ( BRUN ), Azlan BRUN23480 ( BRUN , K , SING ), Chin 4602 ( BRUN ), Kalat BRUN21980 ( BRUN ), Ogata Og-B16 ( BRUN ), Smythies SAN17466 ( BRUN , K , L , KEP , SING )], Temburong [ Ashton 2989 ( BRUN ), Project Team (25 Ha Forest Dynamics Plot) 12-4613 ( BRUN ), Tan 317 ( BRUN )], Tutong [ Suzuki K12569 ( BRUN )] . INDONESIAN BORNEO • Kalimantan [ Neth.Ind.For.Service bb.29031 ( K )] . MALAYSIAN BORNEO • Sabah [ Caudra A1349 ( K , P ), Madani 36752 ( K ), Madani 39879 ( K ), Sundaling SAN96659 ( K )], Sarawak [ Beccari 2615 ( FI , K , P ), Chai S.19326 ( K ), Galau S15705 ( K ), Galau Tree No.521 ( K ), Paie S.38428 ( K , L ), Othman S.36992 ( K , L ), Smythies SAN17466 ( K ), Yii S.48415 ( K )] . PENINSULAR MALAYSIA • Johor [ Corner 37029 ( K )], Pahang [ Abu FRI46749 ( K ), Kochummen FRI16198 ( K )], Terengganu [ Whitmore FRI20200 ( K )] . Ecology Diospyros dictyoneura is found in evergreen forest at 100–1000 m elevations.