Tree to 10 m tall, occasionally smaller and mallee-like. Forming a lignotuber. Bark usually rough and tessellated to the upper trunk, pale brown to cream, sometimes thin and flaky and present only on the lower trunk; smooth bark cream to white. Branchlets lacking oil glands in the pith. Juvenile growth (coppice or field seedlings to 50 cm): stems round in cross-section, sometimes scabrid on the lower stem; juvenile leaves petiolate, opposite to sub-opposite, narrowly lanceolate to lanceolate, 5–11 cm long, 1–2 cm wide, green. Adult leaves alternate, petiole (0.7)1–2 (2.8) cm long; blade lanceolate, (6.5)8–13 cm long, 1–2.3 cm wide, flat, concolorous, glossy, green, base tapering to the petiole, margin entire, apex acute, side-veins penniveined, reticulation very dense, intramarginal vein absent, oil glands obscure or absent. Inflorescence terminal compound, peduncles 0.5–2 cm long, buds 7 per umbel, pedicels 0.1–0.7 cm long. Mature buds obovoid to pyriform, 0.7–0.9 cm long, 0.5–0.7 cm wide, surface smooth (not scurfy), scar absent (both opercula shed together at flowering), operculum rounded to conical, stamens inflexed, anthers oblong, versatile, dorsifixed, dehiscing by longitudinal slits, style long and straight, stigma papillate (mop-like), locules commonly 3 (occasionally 4), ovules not in regular rows. Flowers white. Fruit usually pedicellate (pedicels 0–0.5(1) cm long), truncate-globose, rarely urceolate or truncate-ovoid, 1.6–2.8 cm long, 1.5–2.5(2.7) cm wide, usually thick walled with a thickish rim, disc vertically descending, valves 3 (rarely 4), deeply enclosed. Seeds brown, ellipsoidal with terminal wing, 9–13 mm long (including wing). Cultivated seedlings (measured at node 10): cotyledons reniform to orbicular; stems round in cross-section, leaves petiolate, opposite to subopposite, narrowly lanceolate to lanceolate, 5–11 cm long, 1–2 cm wide, dull to slightly glossy green, base tapering to the petiole, lamina scabrid until ca the 5th node.
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Tree or mallee to 8 m. Bark rough, tessellated, red-brown on trunk, then smooth and white above. Juvenile leaves lanceolate, mucronate, blue-green to grey-green, glabrous. Adult leaves alternate, narrowly lanceolate to lanceolate, sometimes falcate, apiculate, thick; lamina 7.5–12 cm long, 1–2.3 cm wide, green to grey-green, concolorous; lateral veins faint, at 60°–65°; intramarginal vein confluent with margin; petiole terete, 11–20 mm long. Umbels 3–7-flowered; peduncle terete, 8–17 mm long; pedicels 3–7 mm long. Buds ovoid; operculum saucer-shaped to conical, 4–5 mm long, 6–7 mm wide; hypanthium hemispherical, 5–6 mm long, 6–7 mm wide. Fruits ovoid, sometimes faintly ribbed, 18–28 mm long, 17–22 mm wide. Seeds not seen.
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