Syzygium siamense (Craib) Chantar. & J.Parn.

Soh, Wuu-Kuang & Parnell, John, 2015, A revision of Syzygium Gaertn. (Myrtaceae) in Indochina (Cambodia, Laos and Vietnam), Adansonia 37 (2), pp. 179-275 : 257

47. Syzygium siamense (Craib) Chantar. & J.Parn. ( Fig. 38 )

Kew Bulletin 48: 609 (1993). — Eugenia siamensis Craib , Bulletin

of Miscellaneous Information (Royal Botanic Gardens, Kew) 1912: 153

(1912); Gagnep. in Lecomte, Flore générale de l’Indochine 2: 843

(1920). — Type: Thailand, Chonburi, Sriracha, Nawng Kai Plai ,

26.IX.1911, Kerr 2118 (lecto-, K! designated by Chantaranothai &

Parnell (1993: 609); iso-, BM n.v.).

Eugenia jambos var. sylvatica Gagnep. in Lecomte, Flore générale de l’Indochine 2: 834 (1920). — Syzygium jambos var. sylvaticum (Gagnep.) Merr. & L.M.Perry , Journal of the Arnold Arboretum 19: 114 (1938); P.H.Hô, An Illustrated Flora of Vietnam (Câyco Viêtnam) 2: 45, fig. 3719 (1992); K.D.Nguyen, ( Myrtaceae ) Checklist of Plant Species of Vietnam 2: 906 (2003). — Type: Vietnam [ Cochinchina], Dong Nai, Bien Hoa, Mt. Chua Chan [Nui-chua-chuang], fl., 10.I.1914, Chevalier 29923 (Fleury) (lecto-, P![P00589334], here designated; isolecto-, P! [2 sheets, P00589245 & P00589248]. — Remaining former syntypes: Cambodia, Kampong Speu, Samroang Tong, Phnum Chreav [Mt. Chereev], fl., IV.1870, Pierre 994 (BM!, K!, P![P00589253, P00589341, P00589342]); Cambodia, Mekong river, fl., IX.1878, Pierre 1923 (Harmand s.n.) (P![P00589337]); Vietnam, Hanoi, Ninh Thai, 14.XII.1886, fl., Bon 331 2 (P![2 sheets,P00589246 & P00589247]. (See note)

Eugenia javanica var. balansae Gagnep. in Lecomte, Flore générale de l’Indochine 2: 838 (1920). — Type: Vietnam [Tonkin], forest at the base of Mt. Bavi ,. X.1886, Balansa 2864 (lecto-, P!; isolecto-, K!), syn. nov. — Remaining former syntypes: Vietnam [Tonkin], Mt. Bavi, 11.IX.1886, Balansa 2863 (P!).

Eugenia rubida Ridl. , Journal of the Federated Malay States Museums 10: 90 (1920). — Type: Thailand, Tasan, III.1919, Boden-Kloss & Robinson 6906 (lecto-, K![ K000276218 ], here designated).

ADDITIONAL MATERIAL EXAMINED. — Cambodia. Kampong Spoe: Phnum Aural, 16.II.2001, Boyce, K. Eanghourt, M.Sophal & S.Kosal MoE Herb.Cat. 507 ( K); idem, 3.III.2001, K. Eanghourt, M.Sophal & S.Kosal MoE Herb. Cat. 595 ( K). — Kampot: Mt. Bokor , Popok Vil waterfall, 7.XII.1968, Martin 1212 (P). — Koh Kong:, Mt. Trok , 4.III.1966, Martin 293 (P); Phn Rodam?, 23.II.1966, Martin 350 (P). — Ratanikiri: Virachey National Park , Ho Chi Minh trail, 17.XII.2005, P.Thomas, K. Teah, K., K. Sokhon, S. Teng, S.Sokhon & Y.Bounsoeung 91 (E) .

Laos. Viangchan: Nam Ngum reservoir, 23.X.1974, Vidal 6022 (P) .

Vietnam. Bac Giang: III.1925, Pételot 1832 (P). — Cochinchina : VII.1870, Pierre s.n. (P) . — Da Nang: Ba Na National Park, 5.VII.2002, Phuong 11916 ( HN); Tourane and vicinity, 13.VI.1927, J. & M.S. Clemens 3509 (P). — Dac Lak: Chu Bloe, Schmid 996 (P). — Dac Lak: Buon Ko Tam, 12.III.1956, Schmid s.n. (P) . — Ha Nam: Lat Son, VIII.1887, Bon 3489 (P). — Ha Tay: Mt. Ba Vi, 11.IX.1886, Balansa 2863 (P); Mt. Ba Vi , X.1886, Balansa 2864 (P) . — Hai Duong: Chi Linh, Hoang Hoa Tham , 6.XI.1996, T.N.Ninh & Bastien, D. VN 189 ( HN) . — Hanoi City: Ninh Thai?, 15.V.1889, Bon 4191 (P); Khanh Thuong , 26.III.1881, Bon 359 (P) . — Ninh Binh: Nho Quan, Cuc Phuong National Park , 8.I.2000, P. K. Loc PKL 10369 ( CPNP) . — Phu Tho: Trung Giap forest reserve, 4.VI.1918, Chevalier 37551 (P) . — Thai Nguyen: Luk Xa , III.1933, Pételot s.n. (P) .

DISTRIBUTION. — Burma, Thailand, Cambodia, Laos, Vietnam and Peninsular Malaysia ( Fig. 36 ).

ECOLOGY OR HABITAT. — Primary forest, sometimes along rivers on sandstone.

CONSERVATION STATUS. — IUCN Global Status: Least Concern ( LC); IUCN Regional (Indochina) Status: Least Concern ( LC).

PHENOLOGY. — Flowering and fruiting all year round.

VERNACULAR NAMES. — Cambodia: Kanlung rung (Koh Kong) , Phlang phnom (Koh Kong) . Laos: Va yong (Viangchan) . Vietnam: Cay roi (Hanoi City), Gioi (Phu Tho) , Tram do.

USES. — The fruit is edible.

DESCRIPTION

Tree to 14 m tall, to 20 cm dbh. Bark greyish brown. Glabrous.

Figures

FIG. 38. — Inflorescence of Syzygium siamense (Craib) P.Chantar. & J.Parn. Photo courtesy of Pranom Chantaranothai. Scale bar: 5 cm.

FIG. 36. — Distribution of Syzygium praecox (Roxb.) Rathkr. & N.C. (), Syzygium ripicola (Craib) Merr.& L.M.Perry (), Syzygium siamense (Craib) P.Chan- tar. & J.Parn. () and Syzygium sterrophyllum Merr. & L.M.Perry () in Indochina.