Juglandaceae

Engelhardia Lesch. ex Blume

Last edited by Pieter B. Pelser, 23 June 2026

Engelhardia apoensis Elmer ex Nagel, Bot. Jahrb. Syst. 50 (1914) 477; Elmer, LPB 7 (1915) 2693; Merrill, EPFP 2 (1923) 23; Jacobs, Fl. Males. ser. 1, 6 (1960) 151; Type: Elmer 11744, Mindanao: Mt Apo, Sep-1909. Distribution: Borneo, Malay Peninsula, Philippines. MINDANAO: Cotabato, Davao del Sur, Misamis Occidental. Native.
Engelhardia serrata Blume, Fl. Javae Jugl. (1829) 14; Jacobs, Fl. Males. ser. 1, 6 (1960) 150. = Engelhardia parvifolia C.DC., Prodr. (A. P. de Candolle) 16(2.1) (1864) 141; Merrill, EPFP 2 (1923) 23. Distribution: Borneo, Cambodia, India, Java, Laos, Malay Peninsula, Moluccas, Myanmar, Philippines, Sulawesi, Sumatra, Thailand, Vietnam. BILIRAN, CATANDUANES, CEBU (photos), LEYTE (photos), LUZON: Abra, Apayao, Aurora (photos), Bataan, Cagayan, Camarines, Ifugao, Isabela, Laguna, Mountain Province, Pampanga, Quezon, Rizal, MINDANAO, MINDORO, SAMAR. Notes: 0-2200m. Conservation status: Least Concern (IUCN 3.1). Native.
Engelhardia spicata Lesch. ex Blume, Bijdr. fl. Ned. Ind. (1826) 528; Merrill, EPFP 2 (1923) 23; Jacobs, Fl. Males. ser. 1, 6 (1960) 151. = Engelhardia rigida Blume, Bijdr. fl. Ned. Ind. (1826) 528; Jacobs, Fl. Males. ser. 1, 6 (1960) 148. = Engelhardia subsimplicifolia Merr., Publ. Bur. Sci. Gov. Lab. 35 (1906) 6; Merrill, EPFP 2 (1923) 23. = Engelhardia spicata var. integra (Kurz) W.E.Manning ex Steenis, Fl. Males., 1st Ser. 6 (1972) 953; ≡ Engelhardia villosa var. integra Kurz, Forest Fl. Burma 2 (1877) 492; ≡ Engelhardia zambalensis Elmer, LPB 9 (1934) 3195. ≠ Engelhardia spicata var. colebrookeana auct. non (Lindl. ex Wall.) Koord. & Valeton; Kuntze, Rev. Gen. Pl. 1 (1891) 637; Merr., EPFP 2 (1923) 23. Distribution: Bhutan, Borneo, Cambodia, China, India, Java, Laos, Lesser Sunda Isls, Malay Peninsula, Moluccas, Myanmar, Nepal, New Guinea, Philippines, Sulawesi, Sumatra, Thailand, Tibet, Vietnam. BILIRAN, LUZON: Abra, Apayao (photos), Benguet, Ifugao, Laguna, Mountain Province, Rizal (photos), MINDANAO: Bukidnon, Davao Oriental (photos), Davao del Sur, Lanao del Sur (photos), Sultan Kudarat (photos), NEGROS, PANAY (photos). Notes: Note by P.B. Pelser (4-Sep-20): Zhang et al. (2020) indicate that Engelhardia rigida is best considered to form a species complex with Engelhardia spicata. (?-)1000-2000(-2500)m. Conservation status: Least Concern (IUCN 3.1). Native.

References

Jacobs, M. 1960. Juglandaceae. Flora Malesiana series 1, 6: 143-154
Meng, H-H, C-Y Zhang, SL Low, L Li, J-Y Shen, Nurainas, Y Zhang, P-H. Huang, S-S Zhou, Y-H Tan & J Li. 2022. Two new species from Sulawesi and Borneo facilitate phylogeny and taxonomic revision of Engelhardia (Juglandaceae). Plant Diversity 44: 552-564.
Veldkamp. JF. 2009. Proposals to conserve the names Engelhardia against Pterilema and E. spicata against P. aceriflorum (Juglandaceae). Taxon 58: 1012-1013
Zhang, C-Y, S Ling Low, Y-G Song, Nurainas, G Kozlowski, T Van Do, L Li, S-S Zhou, Y-H Tan, G-L Cao, Z Zhou, H-H Meng & J Li. 2020. Shining a light on species delimitation in the tree genus Engelhardia Leschenault ex Blume (Juglandaceae). Molecular Phylogenetics and Evolution 152: 106918.