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Electronic Flora of South Australia species Fact Sheet

Family: Myrtaceae
Eucalyptus cosmophylla

Citation: F. Muell., J. Trans. Vic. Inst. 1:32 (1855).

Synonymy: E. cosmophylla F. Muell. var. leprosula F. Muell. ex Miq., Nederl. Kruidk. Arch. 4:134 (1856); E. cosmophylla F. Muell. var. rostrigera F. Muell. ex Maiden, Crit. Rev. Eucalyptus 21:17 (1914) (misspelt rostigera by Maiden, 1934).

Common name: Cup (or bog) gum.

Description:
Multi-stemmed trees to 5 m high or less often single-stemmed and up to 10 m; bark almost entirely smooth and a pale buff-grey with whitish and pinkish areas, shedding in plates; cotyledons reniform of shallowly and broadly emarginate; juvenile leaves petiolate, at first opposite and narrow- to broadly elliptic, but becoming ovate-orbicular; adult leaves alternate, on petioles 10-30 mm long, slightly oblique, narrow- to broad-lanceolate, thick, dull, grey-green, 10-15 cm long, 2-4 cm broad.

Flowers in shortly pedunculate or sessile umbels of 3 in the axils of the leaves; buds on pedicels 0-3 mm long, obovoid or ellipsoid, 12-15 x 9-10 mm; operculum hemispherical to conical, shortly beaked, usually shorter than the hypanthium; flowers cream-coloured; anthers all fertile, oblong.

Fruit shortly cylindrical to hemispherical, usually 2-ribbed, 10-17 x 12-20 mm, with a thick rim; valves broad, usually with the tips just below the rim; seeds polyhedral, with one large convex surface, with a narrow wing along the main edges, brown.

Published illustration: Hall & Brooker {1974) Forest tree series, no. 126; Boomsma & Lewis (1980) Native forest and woodland vegetation of South Australia, p. 58.

Distribution:  S.Aust.: SL, KI.

Conservation status: native

Flowering time: July — Nov.


SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia

Biology: No text

Author: Not yet available


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