The Eucalypts *** Icons of the Australian Bush

EucaLink                 A Web Guide to the Eucalypts Identification Tables Habit Tree Mallee             N.S.W. W.A. N.T. S.A. Qld Vic. Tas. extra-Australia Region North Coast Central Coast South Coast Northern Tablelands Central Tablelands Southern Tablelands North Western Slopes Central Western Slopes South Western Slopes North Western Plains South Western Plains North Far Western Plains South Far Western Plains Bark persistence smooth throughout persistent throughout persistent on lower trunk persistent on full trunk persistent onto larger branches persistent to smaller branches Rough barkTexture minorichie tessellated "box" stringy "ironbark" "peppermint" Smooth Bark Surface powdery prickly with scribbles dull glossy patchy, matte Colour white grey grey-brown brown copper salmon or orange red-brown red pink green yellow black cream Shedding in long ribbons in short ribbons in large plates or flakes in small polygonal flakes Juvenile leaves Arrangement opposite disjunct early disjunct late spiral Shape linear narrow lanceolate lanceolate broad lanceolate elliptic obovate ovate suborbiculate orbiculate rhomboidal Hairs glabrous bristle glands only simple hairs and bristle glands "stellate hairs" glandular Colour dull grey green glossy green glaucous dull green Petiole sessile petiolate connate Length cm Width mm Adult leaves Arrangement opposite disjunct Shape linear narrow lanceolate lanceolate broad lanceolate elliptic obovate ovate suborbiculate orbiculate rhomboidal Gloss dull glossy semi-glossy Colour green grey-green glaucous yellow-green ferruginous Upper/lower surfaces discolorous concolorous Length cm Width mm Lateral veins angle very acute (less than 25 degrees) acute (25-44 degrees) obtuse (45 degrees or more) Intramarginal vein distinct obscure confluent with margin Inflorescence Type compound simple Position terminal axillary Umbels Form regular irregular Flower number one three seven eleven more than 11 Peduncles Shape terete quadrangular narrowly flattened or angular (to 3mm wide) broadly flattened (more than 3mm wide) Length mm Pedicels Length mm Buds Shape ovoid obovoid cylindrical pyriform turbinate clavate globose conical obconical campanulate rostrate fusiform urceolate Surface glaucous pruinose not glaucous or pruinose Length mm Width mm Calyx (outer calyptra) reduced to 4 teeth on hypanthium reduced to teeth on corolline calyptra calyptrate; shedding early calyptrate; persisting to anthesis Corolla of free or partially adherent petals calyptrate, free from calyx fully fused to calyx or absent Calyptra Shape patelliform hemispherical conical elongate acute rostrate elongate obtuse Length shorter than hypanthium as long as hypanthium longer than hypanthium Width narrower than hypanthium as wide as hypanthium wider than hypanthium Ornamentation smooth striate ribbed corrugated rugose (warty or rough) verrucose scurfy Flower colour white cream yellow green orange orange-red mauve pink red Outer stamens fertile infertile Filaments In bud erect irregularly flexed regularly inflexed Anthers Attachment adnate versatile Shape oblong ovoid globose cuneate cuboid reniform Dehiscence parallel slits separate angled slits lateral pores confluent slits terminal pores Fruits Shape cylindrical globose hemispherical conical pyriform clavate turbinate ovoid urceolate campanulate Pedicel pedicellate sessile Ornamentation smooth striate ribbed corrugated rugose complex verrucose quadrangular scurfy Length mm Width mm Ovules in 2 rows in 4 rows in 4-8 rows irregularly arranged Disc depressed flat raised Valves enclosed rim-level exserted (sometimes broken) Seed Wing winged not winged Colour black red-brown red yellow-brown brown grey-black grey-brown Chaff Form dimorphic, linear and cuboid linear cuboid Colour same as seed different from seed

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