Syzygium thumra (Roxb.) 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 : 262

52. Syzygium thumra (Roxb.) Merr. & L.M.Perry

Journal of the Arnold Arboretum 20: 103 (1939); M.F.Newman et al., A Checklist of the Vascular Plants of Lao PDR: 242 (2007). — Eugenia thumra Roxb. [Hortus Bengalensis: 92 (1814), nom. nud.] Flora indica 2 [ed. 2, ed. W. Carey]: 495 (1832). — Type: Icones Roxburghianae no. 2507 (lecto-, K!, here designated; isolecto-, CAL n.v.).

Eugenia ferruginea Wight, Icones Plantarum Indiae Orientalis 2 (3): 4, t. 554 (1842) nom. illeg., non Poir. (1813). — Type: Wight, Icones Plantarum Indiae Orientalis 2: t. 554 (1842).

Eugenia thumra Roxb. var. penangiana King , Journal of the Asiatic Society of Bengal 70: 92 (1901); M.R.Henderson, The Gardens’ Bulletin Singapore 12: 260 (1949). — Syzygium thumra (Roxb.) Merr. & L.M.Perry var. penangianum (King) I.M. Turner , Journal of the Singapore National Academy of Science 22-24: 25 (1996). — Type: Peninsular Malaysia, Penang, Waterfall , V.1890, Curtis 2410 (holo-, K!; iso-, SING!) (see Note 1).

Eugenia sphaerantha Gagnep., Notulae Systematicae 3: 333 (1918); Gagnep., in Lecomte, Flore générale de l’Indochine 2: 830 (1920). — Syzygium sphaeranthum (Gagnep.) Merr. & L.M.Perry , Journal of the Arnold Arboretum 19: 113 (1938); P.H.Hô, An Illustrated Flora of Vietnam (Câyco Viêtnam) 2: 57, fig. 3756 (1992). — Type: Laos, Attopeu, Bolaven plateau [Attopeu plateau], fl., Pierre 3192 (Harmand s.n.) (lecto-, P![P00589180] with Delpy’s drawing dated XII.1899 attached, here designated; isolecto-, P![3 sheets, P00589181, P00589182 & P00589183], K![K000276191]), syn. nov. (see Note 2).

Eugenia punctifolia Ridl. , Journal of the Federated Malay States Museums 10: 91 (1920). — Eugenia thumra subsp. punctifolium (Ridl.) Chantaranothai & J.Parn., Kew Bulletin 48: 610 (1993). — Type: Thailand, Mamu , Boden-Kloss 6704 (lecto-, K!).

[ Syzygium speciosum Wall., Wallich Numer. List 3568 (1831) (K- W!), nom. nud.]

[ Eugenia laosensis Gagnep., Notulae Systematicae (Paris) 3: 326 (1918), quoad spec. Thorel s.n. (Nong Kay).]

ADDITIONAL MATERIAL EXAMINED. — Cambodia. Ratanakiri: Ban Long , 11.I.1969, Martin 1452 (P) .

Laos. Xaignabouli: Nong Kai, 1866-1868, Thorel s.n. (P).

DISTRIBUTION. — India (Bengalia), Burma, Cambodia, Laos, Thailand, Peninsular Malaysia and South China ( Hong Kong and Guangdong) ( Fig. 39 ). Perhaps not yet collected in Vietnam.

ECOLOGY OR HABITAT. — Primary or secondary forest.

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

VERNACULAR NAME. — Prin Mret ( Cambodia: Ratanakiri).

USES. — The wood is used for construction.

DESCRIPTION

Tree to 20 m tall. Glabrous.

Figures

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.