Casuarina cunninghamiana subsp. cunninghamiana

IllustratedIntroduced
Treatment appears in FNA Volume 3.

Trees, 15-35 m, usually not suckering. Bark gray-brown, finely fissured and scaly. Branchlets drooping in vigorous specimens, erect in depauperate specimens; segments 6-9 × 0.4-0.6 mm, sparsely and minutely pubescent in furrows, not waxy, edges of furrows often marked (when dry) by slight ridge; longitudinal ridges angular with median rib; teeth marcescent, [6-] 8-10, erect, 0.3-0.5 mm. Young permanent shoots with erect to spreading teeth. Flowers unisexual, staminate and pistillate on different plants. Staminate spikes 0.4-4 cm, 11-13 whorls per cm; anthers 0.4-0.7 mm. Infructescences sparsely pubescent; peduncles 2-9 mm; infructescence body 7-14 × 4-6 mm; bracteoles broadly acute [to acute]. Samaras 3-4 mm.


Phenology: Flowering summer.
Habitat: Naturally on riverbanks, in somewhat drier sites in the flora
Elevation: 0-500 m

Distribution

V3 777-distribution-map.gif

Introduced; Fla., native, ne, e Australia

Discussion

Casuarina cunninghamiana subsp. cunninghamiana is less common in Florida than the other two species.

The type subspecies is widely cultivated in many parts of the world. Casuarina cunninghamiana subsp. miodon L. A. S. Johnson is not known to be cultivated.

Selected References

None.

Lower Taxa

None.

"thin" is not a number.

0.04 cm0.4 mm <br />4.0e-4 m <br /> (?) +  and 0.07 cm0.7 mm <br />7.0e-4 m <br /> (?) +
Karen L. Wilson +
Miquel +
gray-brown +
fissured +
toothlike +
expanded +
deciduous +  and persistent +
photosynthetic +
erect +  and drooping +
distinguished +
reduced +
Fla. +, native +, ne +  and e Australia +
0-500 m +
pistillate +  and staminate +
compressed +
Naturally on riverbanks, in somewhat drier sites in the flora +
short;elongate +
0.7 cm7 mm <br />0.007 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
conelike +  and cylindric +
reduced;small +
2 +  and additional +
0.2 cm2 mm <br />0.002 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
Flowering summer. +
2-carpellate +  and compound +
reduced +
Rev. Crit. Casuarinarum, +
grayish +  and pale yellowbrown +
0.6 cm6 mm <br />0.006 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
terete +  and elongate +
not ceraceous +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.06 cm0.6 mm <br />6.0e-4 m <br />) +
deciduous +
scale-like +
permanent +
size +  and shape +
Illustrated +  and Introduced +
0.4 cm4 mm <br />0.004 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Casuarina cunninghamiana subsp. cunninghamiana +
Casuarina cunninghamiana +
subspecies +
marcescent +
erect +  and spreading +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
tree +  and suckering +
alternating +