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FOC | Family List | FOC Vol. 4 | Casuarinaceae

1. Casuarina Linnaeus, Amoen. Acad. 4: 143. 1759.

木麻黄属 mu ma huang shu

Trees. Leaves (5 or)6-17 per whorl. Infructescence ("cone") bracteoles never greatly thickened, without an abaxial protuberance. Samara body pale yellow-brown or grayish, dull, glabrous.

Seventeen species: nearly throughout range of family; three species (all introduced) in China.

The species hybridize freely when cultivated together; hybrids between Casuarina equisetifolia and C. glauca, and between C. cunninghamiana and C. glauca are known from Guangdong, Hainan, and Taiwan.

Casuarina junghuhniana Miquel (C. montana Junghuhn ex Miquel) has been reported as being occasionally cultivated but no specimens have been seen that confirm this.

1 Toothlike leaves 12-17 per whorl, strongly recurved at apices of young branchlets; branchlets 0.9-1.4 mm in diam., with broad, slightly rounded, longitudinal ridges; bark pale yellow adaxially   3 Casuarina glauca
+ Toothlike leaves 6-10 per whorl, erect or slightly spreading, but not reflexed at apices of young branchlets; branchlets less than 1 mm in diam., with narrow, prominently angular, longitudinal ridges; bark red adaxially.   (2)
2 (1) Toothlike leaves usually (6 or)7(or 8) per whorl, not marcescent; cone 12-25 mm; bark dark red adaxially   1 Casuarina equisetifolia
+ Toothlike leaves usually 8(-10) per whorl, marcescent; cone 7-12 mm; bark pale red adaxially   2 Casuarina cunninghamiana

Lower Taxa


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