The Acacia tortilis trees of the Arava do not flower during the months when it rains – October to February – but flower during the extremely hot and dry summer. This is because it evolved out ...

Umbrella thorn. Technically Vachellia tortilis, but more widely known as Acacia tortilis (Image: Robur.q / Wikimedia). They argued that Australia, with close to a thousand wattle species (compared to ...

The park opened to commemorate Sharjah as the Capital of Islamic Culture Sharjah: The first Islamic Botanical Garden located in Sharjah houses around 50 plants mentioned in the Holy Quran and Sunnah.

20 July 2004 DOHA: The Qatar-based Centre for Environment Friends is planning to organise a symposium in Doha on acacia tortilis (Umbrella Thorn) the plant selected for this year's environmental ...