Volume 7 > Part 4 > Year 2002 > Page 873 > Myrtaceae > Syzygium

46. Syzygium lineatum (DC.) Merr. & L.M.Perrywfo-0000318920

J. Arnold Arbor. 19: 109. 1938; in Mem. Amer. Acad. Arts 18: 172, 1939; Backer in Blumea 5: 499. 1945; Airy Shaw, Bull, Misc. Inform. Kew 1949: 121. 1949; Backer & Bakh.f, Fl. Java 1: 343. 1963; P.H. Hó, Câyco Viêtnam 2: 74. 1992 [as Syzygium lineatum (Blume) Merr. & Perry]; Chantar. & J.Parn., Thai Forest Bull. (Bot.) 21: 83. 1994 and synonyms therein; Turner, Gard. Bull. Singapore 47: 378. 1995.— Myrtus lineata Blume, Bijdr.: 1087. 1826, non Swartz.-Jambosa lineata (Blume) DC., Prodr. 3: 287, 1828.

Accepted Name : Syzygium cerasiforme (Blume) Merr. & L.M.Perry
Mem. Amer. Acad. Arts, n.s., 18: 187. 1939.

Description : Tree to 20 m. Twigs slender, terete, the bark smooth or flaky, whitish grey or dark brown. Leaves with petiole 4–8 mm; lamina 5.3–11.2 by 2.4–4.7 cm, elliptic, elliptic oblong or ovate lanceolate, base cuneate, apex acute or acuminate; midrib impressed on the upper surface, secondary veins 16–20 pairs, intramarginal veins 2. Inflorescence 2–10 cm, both terminal and in the upper axils, with several branches from the base, sometimes solitary; peduncle up to 20 mm, rachis and branches compressed or slightly angled; bracteoles 1.2 by 0.7 mm, triangular. Flowers white, greenish white or pale yellow, outer two flowers of a triad pedicelled, pedicel 1 mm, the central flower sessile, occasionally pedicelled. Hypanthial cup 5.4–8.4 mm, funnel-shaped. Pseudostipe 2 mm. Sepals 4, 1.4–2.1 mm, oblong, sometimes orbicular, persistent. Petals 4, 4–5.7 mm, free, orbicular or oblong ovate, >100 gland dots per petal. Outer stamens 10–15 mm; anther 0.7 mm, oblong ovate. Style 11–13 mm. Ovary 2 locular, 12–20 ovules per locule. Fruits oblong ovoid, 1–1.3 cm and ca 1 cm diam.

Thailand : EASTERN: Chaiyaphum, Ubon Ratchathani; SOUTH-WESTERN: Kanchanaburi, Prachuap Khiri Khan; SOUTH-EASTERN: Chon Buri, Chanthaburi, Trat; PENINSULAR: Chumphon, Ranong, Surat Thani, Phangnga, Phuket, Krabi, Nakhon Si Thammarat, Trang, Satun, Songkhla, Yala, Narathiwat.

Distribution : Burma, Indochina, Malesia (Java – type).

Ecology : Scattered through peat swamp forests, streamsides in evergreen forests, roadsides in secondary forests, the sea-shore and rocky ground in savanna, 0–1,000 m alt.

Vernacular : Khwat (ขวาด)(Surat Thani); fat (ฝาด)(Phangnga); daeng song plueak (แดงสองเปลือก)(Trang); khi tai (ขี้ไต้)(Songkhla); phung kha (พุงคะ)(Narathiwat).

Notes: Syzygium lineatum is similar to S.pyrifolium. It differs in having the middle of the hypanthial cup not swollen, and oblong or ovoid fruits, crowned by persistent sepals. Despite its broad distribution S. lineatum shows surprisingly little variation.