Victoria Amazonica	The Victoria Amazonica is native to（原产于）South America．It is famous for its size and strength． Its huge leaves grow to 2.5m in diameter（直径）， and a fully﹣grown leaf can support a little kid sitting in the center． Its flowers are also big ﹣ up to 40cm in diameter． However， you can only enjoy the sight of the flowers for a short time， because they last for only 48 hours or so．
Calceolaria Uniflora	The Calceolaria Uniflora is a plant from the southern area of South America．It looks like a slipper（拖鞋）． It is also known as Darwin's Slipper Flower， because it was first discovered by Charles Darwin in his trip around South America． These amusing flowers also look like little orange aliens walking together over the rocks， so sometimes they are nicknamed the Happy Alien Plant．
Azorella Compacta	The Azorella Compacta looks like a beanbag sofa，but actually it is made up of thousands of flowering buds（花蕾）on long stems（茎）．It can support the weight of a human．The plant is native to the high Andes in South America．It grows very slowly，nearly 15mm per year． It is also one of the oldest living things in the world． Many of the Azorella Compactas we see are thought to be over 3，000 years old．

回答下面 5 个问题，每题答案不超过7个词

（1）How long is the Victoria Amazonica in flower？　　

（2）There are another two names for the Calceolaria Uniflora． What are they？　　

（3）How fast does the Azorella Compacta grow？　　

（4）Are the Victoria Amazonica and the Azorella Compacta weak or strong？　　

（5）Please give a suitable title for the article．