spinifex
Concise Oxford English Dictionary © 2008 Oxford University Press:
spinifex /ˈspɪnɪfɛks/
▶noun a grass with coarse spiny leaves and spiny flower heads which break off and are blown about, occurring from east Asia to Australia. [Genus Spinifex.]
– origin C19: mod. L., from L. spina ‘thorn’ + -fex from facere ‘make’.
'spinifex' also found in these Oxford entries:

