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Flora of Australia Online

Ximenia americana L., Sp. Pl. 2: 1193 (1753)
Yellow Plum.

T: tropical America, collector unknown ; lecto: BM (Hort. Cliff. 483), fide G.L.Lucas, Fl. Trop. E. Africa , Olacaceae: 5 (1968).

Ximenia exarmata F.Muell., Trans. & Proc. Philos. Inst. Victoria 3: 22 (1859). T: Suttor River, Qld, F.Mueller s.n. ; iso: K, fide H.Sleumer, Blumea 26: 167 (1980).

Illustrations: H.Sleumer, Nat. Pflanzenfam. 2nd edn, 16b: 23 (1960); G.L.Lucas, Fl. Trop. E. Africa , Olacaceae: 11, fig. 2 (1968); J.-F.Villiers, Fl. Nouv.-Caléd. 9: 181, t. 43 (1980).

Scrambling shrub or small tree to 5 m, glabrous except corolla. Bark smooth or fissured, brown. Spines sometimes present. Leaves elliptic to obovate, succulent, obtuse or slightly emarginate, flat; lamina mostly 3–5 cm long and 1–3.5 cm wide; lateral nerves evident; petiole 5–9 mm long with 2 ridges decurrent from lamina. Peduncle and pedicels striate; peduncle 5–9 mm long; pedicels 3–5 mm long; bracts 1 mm long. Calyx 1 mm long. Corolla 7 mm long, white to pale yellow, densely bearded inside in lower 3/4; apical thickening papillose. Stamens 6 mm long; filaments slender, 4 mm long. Pistil 5 mm long; style 2.5 mm long. Drupe pyriform or globular, 17–25 mm long; exocarp yellow. 

A pantropical species; in Australia occurs in N Qld from Torres Strait islands to Rockhampton, extending inland to vicinity of Blackall. Along the coast grows on sand dunes, in forest and behind mangroves; inland in loam or on quartzite hills in shrubland and mixed forest. Map 15.

Qld: Lisgool, c. 100 km NE of Blackall, S.L.Everist 1982 (BRI); Port Douglas, W.Jones 2071 (CANB); Lizard Beach, Hinchinbrook Is., P.Sharpe 1771 (BRI); Clump Point, L.S. Smith 4908 (BRI).

The fruit is edible, though sometimes purgative. Seeds are rich in oil containing ximenic acid (J.-F.Villiers, Fl. Nouv.-Caléd. 9: 183 (1980)).

(A.S.George)

 

Data derived from Flora of Australia Volume 22 (1984), a product of ABRS, ©Commonwealth of Australia