by petre Dec 7, 2002 2:49 AM
by petre Dec 20, 2002 7:34 AM
by petre Dec 20, 2002 7:34 AM
by petre Dec 20, 2002 7:35 AM
by petre Dec 20, 2002 7:36 AM
Caltrop near the Murray River in Australia, January 1990
by kennedyh Aug 19, 2003 12:26 PM
The fruits of this plant are very unfriendly to
the human skin.
by Jeff_Beck Feb 18, 2004 10:05 AM
Punctures bare feet & bicycle tires.
by Xenomorf Aug 28, 2004 9:46 AM
Punctures bare feet & bicycle tires.
by Xenomorf Aug 27, 2004 12:02 PM
Punctures bare feet & bicycle tires.
by Xenomorf Aug 27, 2004 9:46 AM
Punctures bare feet & bicycle tires.
by Xenomorf Aug 31, 2004 10:52 AM
Punctures bare feet & bicycle tires.
by Xenomorf Aug 31, 2004 10:52 AM
Punctures bare feet & bicycle tires.
by Xenomorf Aug 31, 2004 10:52 AM
Punctures bare feet & bicycle tires.
by Xenomorf Aug 31, 2004 10:52 AM
Punctures bare feet & bicycle tires.
by Xenomorf Aug 31, 2004 10:52 AM
Punctures bare feet & bicycle tires.
by Xenomorf Aug 31, 2004 10:52 AM
Punctures bare feet & bicycle tires.
by Xenomorf Aug 31, 2004 10:52 AM
The dried seeds.
by Xenomorf Sep 1, 2004 10:42 AM
The Puncturevine, Caltrop, Goat's Head, Bullhead (Tribulus terrestris) 4 to 5 cm across flower is light yellow. It is borne on a 2.5 to 5 cm stalk and appears singularly in the leaf axil.
by htop Oct 24, 2006 9:58 PM
Puncturevine, Caltrop, Goat's Head, Bullhead (Tribulus terrestris) opposite leaves are 4 to 6 cm long, short-stalked and have 5 to 10 pairs of leaflets. Note the flower originating in the leaf axil.
by htop Oct 24, 2006 10:04 PM
