Turcz., Bull. Soc. Nat. Mosc. 22, 2:22 (1849) subsp. youngiana (F. Muell.) Boomsma, Trans. R. Soc. S. Aust. 93:161 (1969).
Synonymy: E. youngiana F. Muell., Fragm. Phyt. Aust. 10:5 (1876); E. erythrocalyx Oldfield & F. Muell. in F. Muell., Fragm. Phyt. Aust. 2:32 (1860).
Common name: Ooldea mallee, large-fruited mallee.
Multi- or single-stemmed trees from less than 3 m to 11 m high; bark smooth and grey only on smaller branches, elsewhere rough and dark-grey or dark-brown; cotyledons deeply 2-fid; juvenile leaves opposite to alternate, petiolate, linear to ovate; adult leaves alternate, on petioles 20-30 mm long, lanceolate to broad-lanceolate, often falcate, pale-green, thickish, 5-15 x 2-4 cm; veins faint.
Flowers in umbels of 3 in the axils of the leaves; buds on pedicels 5-10 mm long, subglobose or subovoid, fibbed, 45-65 x 25-40 mm; operculum more or less hemispherical, long- or short-rostrate, as long as or longer than the hypanthium but narrower than it; flowers red, cream or yellow; anthers all fertile, somewhat cordate.
Fruits hemispherical, fibbed, woody, 25-45 x 35-70 mm; disk broad, concave, ascending to form a collar around the valves; valves 4-6, usually exserted, broad and triangular at the base, with fragile needle-like tips; seeds subpyramidal, with flattened edges, reticulate, red-grey-brown.
Chippendale (1973) Eucalypts of Western Australian goldfields, pp. 130, 131.
Flowering time: at all times of the year.
SA Distribution Map based
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specimens held in the
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