Syzygium thorelii (Gagnep.) Merr. & L.M.Perry

Soh, Wuu-Kuang & Parnell, John, 2015, A revision of Syzygium Gaertn. (Myrtaceae) in Indochina (Cambodia, Laos and Vietnam), Adansonia 37 (2), pp. 179-275 : 261

51. Syzygium thorelii (Gagnep.) Merr. & L.M.Perry ( Fig. 40 )

Journal of the Arnold Arboretum 19: 107 (1938) . — Eugenia thorelii Gagnep., Notulae Systematicae 3: 333 (1917); Gagnep., in Lecomte, Flore générale de l’Indochine 2: 816, (1920). — Type: Thailand, Kemmarat, fl., Thorel 3010 (lecto-, P![P00589178], here designated; isolecto-, P!, Thorel s.n. [3010] [P00589179], K![ K000276196 ]). — Remaining former syntypes: Laos, between Xieng-Kuang and Pak-lay, fl., Thorel s.n. (P![P00589265]); Laos, Viangchan [Vien-Chang], fl., Thorel 3010 (P![P00589264]) (see Note 1).

Eugenia cambodiana Gagnep., Notulae Systematicae 3: 319 (1917); Gagnep. in Lecomte , Gén. Indo-Chine 2: 810 (1920). — Syzygium cambodianum (Gagnep.) Merr. & L.M.Perry , Journal of the Arnold Arboretum 19: 105 (1938). — Type: Cambodia, sin. loc., fl., 1874, Jullien s.n. (lecto-, P![P00589294], here designated; isolecto-, P![2 sheets, P00589295 & P00589296], K![ K000276185 ]), syn. nov. (see Note 2).

ADDITIONAL MATERIAL EXAMINED. — Laos. Louang Phabang : IV.1954, Vidal 2786 (P); Ban Song, 29.XII.1953, Vidal 2520 (P). — Viangchan: 26.XII.1952, Vidal 2101 (P) .

Vietnam. Lam Dong: Col de Prenn , 22.III.1957, Tixier 08 (P) .

DISTRIBUTION. — Endemic to Continental Southeast Asia, found in Cambodia, Laos, Thailand and Vietnam ( Fig. 39 ).

ECOLOGY OR HABITAT. — In forest along rivers on boulders.

CONSERVATION STATUS. — IUCN Regional (Indochina) Status: Vulnerable ( VU B1ab[i, iii]).

PHENOLOGY. — Flowering: March, June, December. Fruiting: April.

VERNACULAR NAMES. — Laos: Kam (Louang Phabang), Kok kam (Viangchan), Va nam (Louang Phabang).

USES. — The fruit is edible and used as medicine.

DESCRIPTION

Shrub 1-2 m tall. Glabrous.

Figures

FIG. 40. — Lectotype of Syzygium cambodianum (Gagnep.) Merr. & L.M.Perry, Jullien s.n. (P00589294); detail, close-up of inflorescence. Scale bar: 0.5 cm.

FIG. 39. — Distribution of Syzygium syzygioides (Miq.) Merr. & L.M.Perry (), Syzygium tetragonum (Wight) Wall. ex Walp. (), Syzygium thorelii (Gagnep.) Merr. & L.M.Perry () and Syzygium thumra (Roxb.) Merr. & L.M.Perry () in Indochina.