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Flora of Australia Online

Heterodendrum oleifolium Desf., Mém. Mus. Hist. Nat. 4: 8, t. 3 (1818)
Western Rosewood, Boonaree.

Nephelium oleifolium (Desf.) F.Muell., Fragm. 10: 82 (1876). T: probably Shark Bay area, [W.A.], Baudin expedition ; ?iso: fragment & photo (NSW).

Small tree to 7 m; young parts densely silky or puberulent; branchlets, leaves and inflorescence pubescent or glabrescent with white appressed hairs. Leaves linear or narrowly elliptic or obovate, acute, acuminate, obtuse or truncate, entire, acute at base, 3–16.5 cm long, 0.3–2.3 cm wide; petiole 5–10 mm long. Inflorescence raceme-like or panicle-like to 9 cm long; pedicels 1.5–10 mm long. Calyx finely 5–10-toothed or truncate, 2.5–5 mm wide, silky or glabrous. Stamens 8–12; filaments 1.5–4 mm long. Fruit obcordate, 2-lobed, rarely 1-lobed, 8 mm long, 8–12 mm diam.; pericarp thin, crustaceous. 

A widespread species in semi-arid areas of all States except Tas. 

Very variable, with three fairly distinct varieties, the extreme forms intergrading.

Heterodendrum oleifolium is distinguished by its usually long and narrow entire leaves and fairly large inflorescence.

Since publication of the Flora of Australia treatment the Australian Plant Census recognises this taxon as a synonym of Alectryon oleifolius .

(S.T.Reynolds)

1 Leaves 16–23 mm wide, usually 4 or 5 times as long as wide, narrowly obovate, truncate; inflorescence raceme-like with 2- or 3-flowered subsessile cymules

var. oleifolium

1: Leaves 3–10 mm wide, usually 5–30 times as long as wide, linear and long or narrowly elliptic, acute or acuminate; inflorescence raceme-like or panicle-like; cymules 2–5-flowered, on peduncles to 15 mm long

2

2 Calyx 2.5–5 mm wide, tomentose; pedicels 6–15 mm long; leaves 5–7 times as long as wide, usually silky; inflorescence openly branched and flowered

var. macrocalyx

2: Calyx less than 3.5 mm wide, puberulous or glabrous; pedicels 1–5 mm long; leaves 10–30 times as long as wide, usually glabrescent; inflorescence densely flowered

var. microcalyx

 

Data derived from Flora of Australia Volume 25 (1985), a product of ABRS, ©Commonwealth of Australia