May 13, 2014








romantic grass of the week - giant rat's tail grass - Sporobolus pyramidalis and s.natelensis - culms erect 90-170cm tall and the inflorescense looks like a rat's tail when young, then a real thin pyramid when it gets older about 4cm-45cm long; found in NT, QLD and NSW, declared pest in queensland, seeds remain active for 10 years, prolific seed bearer about 85 000 seeds per square meter. similar to Giant Paramatta Grass - Sporobolus fertilis - but GPG gets a black smut on the seed