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FOC | Family List | FOC Vol. 13 | Myrtaceae | Eucalyptus

22. Eucalyptus crebra F. Mueller, J. Proc. Linn. Soc., Bot. 3: 87. 1859.

常桉 chang an

Trees, to 25 m tall. Bark dark brown, rough, persistent. Branchlets slender, slightly ridged. Young leaves opposite, shortly petiolate; leaf blade narrowly lanceolate, glaucescent. Mature leaves alternate; petiole 1-2 cm, slender; leaf blade narrowly lanceolate, 8-15 × 1-1.8 cm, twisted, glaucescent, same color on both surfaces, glands inconspicuous, intramarginal veins very near margin. Inflorescences terminal, paniculate, umbels 2-6-flowered; peduncle 7-10 mm, obtusely ridged or terete. Flower buds narrowly spindle-shaped, ca. 6 × 3 mm. Hypanthium hemispheric to obovoid, 2-3 mm; stipe 2-3 mm; calyptra nearly as long as hypanthium, apex slightly acute. Stamens ca. 3 mm, all developed; anthers globular, dehiscing longitudinally. Capsule campanulate, 4-6 × ca. 3 mm; disk narrow; valves 3 or 4, subequaling hypanthium rim to included. Fl. Aug-Sep.

Cultivated in Guangdong [native to E and NE Australia].


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