Flora of North America species comparison

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Casuarina glauca

Casuarina equisetifolia

Brazilian beefwood, gray she-oak, scaly-bark beefwood, suckering Australian-pine, swamp she-oak

Australian-pine, beach she-oak, casuarina, coast she-oak, common ironwood, horsetail casuarina
Habit Trees, 8-20 m, frequently producing root suckers.
Bark

gray-brown, finely fissured and scaly.

Branchlets

drooping;

segments 8-20 × 0.9-1.2 mm, glabrous, occasionally waxy;

longitudinal ridges flat to slightly rounded-convex;

teeth usually marcescent, 12-17, erect, 0.6-0.9 mm.

Flowers

unisexual, staminate and pistillate on different plants.

Infructescences

rust-colored to white-pubescent, becoming glabrous;

peduncles 3-12 mm;

infructescence body 9-18 × 7-9 mm;

bracteoles broadly acute.

Young

permanent shoots with long-recurved teeth.

Staminate

spikes 1.2-4 cm, 7-10 whorls per cm;

anthers ca. 0.8 mm.

Samaras

3.5-5 mm.

Casuarina glauca

Casuarina equisetifolia
Habitat Commonly near brackish water
Elevation 0-50 m (0-200 ft)
Distribution
from FNA
FL; native; e coast Australia [Introduced in North America]
[BONAP county map]
from FNA
FL; Southeast Asia; s Pacific Islands (e to Tahiti and Samoa); Australia
[WildflowerSearch map]
[BONAP county map]
Discussion

Commonly near brackish water; 0-50 m; introduced; Fla.; native, e coast Australia.

Casuarina glauca is widely cultivated in many parts of the world. Pistillate trees are very infrequent in the flora.

It is now considered a pest species in Florida because of root suckering. Its identification may be confused by the practice of some Florida nurserymen of grafting scions of Casuarina glauca onto rootstocks from the other two species.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Subspecies 2 (1 in the flora).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 3. FNA vol. 3.
Parent taxa Casuarinaceae > Casuarina Casuarinaceae > Casuarina
Sibling taxa
C. cunninghamiana, C. equisetifolia
C. cunninghamiana, C. glauca
Subordinate taxa
C. equisetifolia subsp. equisetifolia
Synonyms Southeast
Name authority Sieber ex Sprengel: Syst. Veg. 3: 803. (1826) Linnaeus: Amoen. Acad. 4: 143. (1759)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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