Tom kha kai Dill weed is a common herb which is used in Lao cuisine. The Thais' answer to dill weed (known in Thailand as "phak chi Lao" (), since it is known locally as a Lao herb) in Thai "tom kha" is coriander or cilantro ("phak chi", ). There are other versions of "tom kha kai" made with seafood ("tom kha thale", ), mushrooms ("tom kha het", ), pork ("tom kha mu", ) and tofu ("tom kha taohu", ). In the late 19th century, "tom kha" was not a soup. it was a dish of chicken or duck simmered in a light
Leaf window with leaf windows are sometimes known as "window plants", though this is also the common name used to refer to "Fenestraria rhopalophylla". Leaf window Leaf window, also known as epidermal window, is a specialized leaf structure consisting of a translucent area where sunlight can enter into the interior surfaces of the plant's modified leaf where photosynthesis can occur. This is also known as fenestration. The translucent structure may include epidermal tissue, and in some succulent plants it consists of several cell layers of parenchyma, which may also function as water-storage tissue. It can appear as a large continuous patch, a