Tree to 15 m tall. Forming a lignotuber.Bark essentially smooth, white and seasonally powdery throughout but with unshed thin, orange, red and brownish flakes of bark over the base and scattered up the trunk. Not truly rough-barked at the base in most populations, but sometimes thinly accumulated rough bark may cover part of trunk.Branchlets lack oil glands in the pith; non-glaucous but in some populations in west of species range a white rubbery cuticle is obvious on new branchlets.Juvenile growth (coppice or field seedlings to 50 cm): stems rounded in cross-section, scabrid with bristle-glands at least in the lower part but upper internodes becoming smooth; juvenile leaves always petiolate, opposite for ca 15 or so nodes then becoming alternate, large, ovate to broadly lanceolate, sometimes ± deltoid or elliptical, (6)9.5–22(28) cm long, 5.5–10(15) cm wide, base rounded to tapering or less commonly truncate or shallowly lobed, apex rounded and apiculate or pointed, green, lower leaves scabrid with bristle-glands, upper leaves less so or smooth; short white simple hairs sometimes present on leaf lower surface, much shorter than the bristle-glands.Adult leaves alternate, petioles 0.9–3.4 cm long; blade lanceolate or falcate, 7–23 cm long, 0.8–5.5 cm wide, base tapering to petiole, margin entire, apex pointed, concolorous or only slightly discolorous, dull or slightly glossy, green, smooth, side-veins at greater than 45° to midrib (penniveined), reticulation very dense, intramarginal vein apparently absent (confluent with margin) or rarely visible and very close to margin in broader leaves, oil glands not visible.Inflorescence terminal compound, peduncles terete or slightly angular, 0.1–1.7 cm long, buds usually 7 per umbel, rarely 9 or more, pedicels 0.1–1.1 cm. Mature buds ovoid or obovoid to pyriform or globular, 0.4–0.7 cm long, 0.3–0.5 cm wide, smooth and glossy, scar absent (both opercula shed together at flowering), operculum shallowly rounded and apiculate or not so, stamens inflexed, all fertile, anthers oblong, dorsifixed, versatile, dehiscing by longitudinal slits, style as long as the floral cavity or ca two-thirds the length, straight, stigma blunt or with a fringe of papillae, locules 3 or 4, the placentae each with ca 5 vertical ovule rows or the rows indistinct. Flowers creamy white.Fruit pedicellate (pedicels 0.1–0.7(0.9) cm long), usually urceolate or tending to barrel-shaped, with a short neck that is flared at the rim, 0.8–1.3(1.8) cm long, 0.6–1.1(1.5) cm wide, smooth, disc descending vertically, valves 3 or 4, enclosed.Seeds brown, 5–9(11) mm long, ellipsoidal with terminal wing, hilum ventral. Cultivated seedlings (measured at ca node 10): cotyledons large, reniform; stems rounded in cross-section, setose with long bristle-glands; leaves always petiolate (petioles to 0.7 cm), opposite for at least 13 nodes, elliptical-oblong to lanceolate or ovate, 3–12(16) cm long, (0.7)1–3.6 cm wide, base rounded to tapering, rarely truncate or lobed, apex pointed or rounded, green, slightly discolorous or concolorous, setose with bristle-glands on both surfaces but especially on margins and midrib.
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Tree to 15 m, sometimes shrubby. Bark flaky, light red-brown on part or whole of trunk and often on larger branches, smooth and white above and sometimes also on much of trunk. Juvenile leaves shortly petiolate, elliptic or ovate, setose or scabrous on both sides, pubescent on underside. Adult leaves alternate, narrowly lanceolate to lanceolate, acuminate, cuneate, thick; lamina 10–20 cm long, 1.5–4 cm wide, dull, grey-green, slightly discolorous; lateral veins faint, at 60°–70°; intramarginal vein usually confluent with margin, sometimes 1–2 mm from margin; petiole terete or slightly flattened, 10–25 mm long. Umbels 3–7-flowered; peduncle terete, 5–17 mm long; pedicels 5–10 mm long. Buds ovoid or subglobular; operculum hemispherical-conical, 2–3 mm long, 4–5 mm wide; hypanthium hemispherical or truncate-pyriform, 5–6 mm long and wide. Fruits ovoid, subglobular or urceolate, 10–15 mm long, 8–12 mm wide. Seeds winged, yellow-brown.
Tree to 6 m. Bark smooth, white, powdery throughout, sometimes with patches of red-grey exfoliating flakes. Juvenile leaves not seen. Adult leaves alternate, narrowly lanceolate, acuminate; lamina 6.5–22 cm long, 0.9–2 cm wide, grey-green, concolorous, lateral veins faint, at c. 60°; intramarginal vein confluent with margin; petiole terete, 14–20 mm long. Umbels 7-flowered; peduncle terete, 5–12 mm long; pedicels c. 3 mm long. Buds pyriform to subglobular; operculum low-conical, 1–2 mm long, 4–5 mm wide; hypanthium pyriform, 4–6 mm long, 5–6 mm wide. Fruits urceolate, 11–17 mm long, 12–15 mm wide. Seeds not seen.
Tree or mallee to 6 m. Bark tessellated, red-brown to grey-brown on trunk, smooth and white above. Juvenile leaves not seen. Adult leaves alternate, narrowly lanceolate, often falcate, acuminate; lamina 10–19 cm long, 1–2 cm wide, green, concolorous; lateral veins faint, at c. 60°; intramarginal vein confluent with margin; petiole terete, 8–26 mm long. Umbels 7-flowered; peduncle terete, 10–17 mm long; pedicels 4–12 mm long. Buds turbinate to subglobular; operculum saucer-shaped, 1–2 mm long, c. 4 mm wide; hypanthium obovoid, c. 5 mm long, 6–7 mm wide. Fruits urceolate, 10–13 mm long, 7–11 mm wide. Seeds winged.
Tree to 7 m. Bark smooth, white, with small red-brown flakes. Juvenile leaves not seen. Adult leaves alternate, narrowly lanceolate to lanceolate, acuminate; lamina 11–12 cm long, 1–1.7 cm wide, green, concolorous; lateral veins faint, at 50°–60°; intramarginal vein confluent with margin; petiole terete, 10–19 mm long. Umbels 7-flowered; peduncle terete, 8–12 mm long; pedicels 2–8 mm long. Buds obovoid; operculum saucer-shaped, slightly apiculate, 1–2 mm long, c. 3 mm wide; hypanthium obovoid to cylindrical, 4–5 mm long, c. 4 mm wide. Fruits urceolate to ovoid, 9–12 mm long, 9–11 mm wide. Seeds not seen.
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