Subgenus Telocalyptus L. Johnson & Blaxell, gen. nov.

Type species: Telocalyptus deglupta (Bl.) L. Johnson & Blaxell.

Basionym: Eucalyptus deglupta Bl., Mus. Bot. Lugd. Bat. 1: 83 (1849).

Trees; bark smooth and excorticating in flakes, or persistent and shortly fibrous-flaky. Juvenile leaves glabrous, opposite for several nodes. Adult leaves glabrous, disjunct; lateral veins moderately closely-spaced, oblique. Conflorescences expanded terminal anthotelic panicles with unit 7-flowered umbellasters. Perianth 5-4-merous (flexible) or 4-merous (fixed), carpels 3-4. Calyx reduced, of free deciduous sepals, displaced early in development by expanding calyptriform corolla. Stamens all fertile, in continuous whorls; anthers versatile, reniform, with short, rounded, divergent loculi dehiscing by lateral pores. Stigma shaggy, with long papillae. Ovules hemitropous, in 4 vertical rows in each loculus; inner integument resorbed in early development; seed testa derived from outer integument only. Cotyledons bilobed, not folded in embryo. Seeds small, winged on one end in series Degluptae; hilum ventral. Fruit small, thin-textured, short-lived on tree.

Diagnosis: Hairs and bristle glands absent. Sepals free, deciduous; corolla calyptriform; stamens in a continuous ring, all fertile. Ovules in 4 vertical rows in each loculus; seed testa derived from outer integument only. Conflorescences terminal, expanded, anthotelic.