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Electronic Flora of South Australia species Fact Sheet

Family: Casuarinaceae
Casuarina obesa

Citation: Miq. in Lehm., Pl. Preiss. 1:640 (1845).

Synonymy: Not Applicable

Common name: Swamp oak.

Description:
Dioecious tree 6-14 m high, with ascending to drooping branchlets; articles terete, smooth, 7-11 mm long, 1-1.2 mm diam.; phyllichnia flat; teeth 12-14, more or less erect, 0.6-0.9 mm long.

Male spikes 1.5-6 cm long, 8-10 whorls per cm; bracteoles persistent; anthers yellow, 1-1.2 mm long.

Cone on a short peduncle to 6 mm long, cylindrical, 1-2 cm long, 10-15 mm diam.; fruiting bracteoles broadly acute, without a dorsal protuberance.

image of FSA1_Casuarina_obe.jpg
Image source: fig. 57c in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).

Distribution:  On more or less saline soils. Cultivated as a street tree in S.Aust.

  W.Aust.; with only isolated remnant records in N.S.W. and Vic.

Conservation status: native

Flowering time: No flowering time is available


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

Biology: C. glauca Sieber ex Sprengel is commonly cultivated in S.Aust. It is very similar to C. obesa but can be distinguished readily by the teeth which are usually more numerous and are long and recurved on the young shoots in C. glauca, while they are erect on the young shoots of C. obesa.

Author: Not yet available


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