A Web Guide to the Eucalypts
- Eucalyptus rudis
Endl., in Endl., Fenzl., Benth. & Schott, Enum. Pl. Hueg. 49 (1837).
- TYPE: Western Australia, King Georges Sound, C. Hugel, 1833 (holo W).
Bark: Bark persistent on full trunk or persistent on trunk and larger
branches, fibrous-flaky with whitish patches ("box"), grey, grey. Pith glands
present; Bark glands present. Cotyledons obreniform (bilobed).
Leaves: Intermediate leaves opposite, ovate to orbiculate, straight,
entire, dull grey green, sessile. Adult leaves disjunct, lanceolate, falcate,
acuminate, basally tapered, dull, green, thin, concolorous; Petioles narrowly
flattened or channelled. Lateral veins prominent, acute or obtuse.
Inflorescences: Conflorescence simple, axillary; Umbellasters
3-flowered to 7-flowered. Peduncles narrowly flattened or angular (to 3mm wide).
Flowers: Buds conical or fusiform, not glaucous or pruinose. Calyx
calyptrate; shedding early. Calyptra conical or elongate acute, 3 times as long
as hypanthium, as wide as hypanthium; smooth. Hypanthium smooth. Flowers white,
Fruits: Fruits hemispherical or conical. Disc flat or raised. Valves
exserted. Chaff dimorphic, linear and cuboid, chaff distinctly different in
colour from seed.