Eucalyptus chapmaniana (Eucalyptus chapmaniana)

Description

Eucalyptus chapmaniana grows as a tree to 35 metres (115 ft) tall.It forms a woody base known as a lignotuber.The bark on trunk is partly or completely rough,fibrous and finely fissured longitudinally grey or brown-grey,branches smooth,light brown to creamy-white or pale grey,with long ribbons of decorticated bark in the branches,branchlets sometimes glaucous.Juvenile growth (coppice or field seedlings to 50 cm):stem rounded in cross-section,glaucous or non-glaucous;juvenile leaves opposite and sessile for many pairs,orbicular to ovate,2–9.5 cm long,1.8–7 cm wide,margin entire or occasionally crenulate,green,blue-green or slightly glaucous.Adult leaves alternate,petiole 1.3–3.7 cm long;blade lanceolate to falcate,14–30 cm long,1.7–4.8 cm wide,base tapering to petiole,concolorous,dull,green to blue-green,side-veins greater than 45° to midrib,moderately to densely reticulate,intramarginal vein parallel to and just within margin,oil glands mostly island.Inflorescences axillary unbranched,peduncles 0.5–0.9 cm long;buds 3 (rarely 7) per umbel,pedicels 0.2–0.3 cm long.Mature buds clavate or diamond-shaped,0.7–0.9 cm long,0.5–0.6 cm wide,green to yellow or glaucous,scar present,operculum conical to beaked,stamens inflexed,anthers cuboid or cuneate,versatile,dorsifixed,dehiscing by longitudinal slits (non-confluent),style long,stigma blunt or tapered,locules 3 or 4,the placentae each with 4 vertical ovule rows.Flowers white.Fruit sessile or on pedicels to 0.3 cm long,obconical or campanulate,0.5–0.9 cm long,0.7–1 cm wide,usually glaucous,disc conspicuously raised and convex,vertical or oblique,valves 3 or 4,exserted.Seed black,brown or grey,1–3 mm long,flattened-ovoid,often pointed at one end,usually lacunose,dorsal surface smooth,hilum ventral.Cultivated seedlings (measured at ca node 10): cotyledons bilobed;stems rounded in cross-section,slightly warty,usually glaucous;leaves sessile,opposite for many pairs,orbicular to cordate,1–6 cm long,0.5–5.3 cm wide,base rounded to tapering,margin entire or subcrenulate,apex rounded to pointed,glaucous or grey-green.Flowering has been recorded in January,February and March.