Rafflesia arnoldii, commonly known as the corpse flower, is the biggest flower on earth. It received its nickname "corpse flower" as a result of its characteristic odour.
There are approximately 17 different species of Rafflesia. Most of these Rafflesia species tend to grow in south-east Asia, mostly in Borneo, and most of them bloom in different shades of red, although some flowers appear pink or brown.
This parasitic plant shows no roots or leaves and radiates the smell of a decaying corpse. This attracts pollinators which in return pollinate the flower. The Rafflesia is the largest flower known on earth, measuring up to 90 cm across and having a weight up to 11 kg. Image: Rafflesia 3 by MaewNam under Creative Common license (CC BY-SA 2.0).
Common name: Corpse flower
Baobab tree can hold up to 25,000 liters of water
Baobab trees (Adansonia digitata), are very common in most of the dry parts of Africa. The Baobab tree botanical name is Adansonia digitata but it is also known in The English language as African baobab, Baobab of Mahajanga (Madagascar), Cream-tartar tree, Dead-rat tree (South Africa), Ethiopian sour bread, Monkey-bread tree (South Africa), Sour gourd and बाओबाब Baaobaab in Hindi.
Baobab trees usually grow solitary, as a distinctive image of the African Savannah  being commonly found in many countries as Benin, Ghana, Burkina Faso, and Senegal , but Baobabs can also be found in India, where it was brought from Africa hundreds of years ago. Some individual Baobab trees living over a thousand years of age .
The largest known Baobab tree, the Grootboom, collapsed unexpectedly in north-eastern Namibia back in 2004. Image: Baobab by Stuart Basil under Creative Common license (CC BY 2.0).
Common name: African baobab, Baobab of Mahajanga (Madagascar), Cream-tartar tree, Dead-rat tree (South Africa), Ethiopian sour bread, Monkey-bread tree (South Africa), Sour gourd and बाओबाब Baaobaab in Hindi 
Annatto or Achiote (Bixa orellana), is a shrub native to tropical areas of America which names derives from the name given to this shrub in the Aztecan dialect Nahuatl.
Achiote is mainly known for being the source of the Annatto, also known as roucou, a carotenoid-based food colorant used very broadly, especially in the United States, where its commercialization doesn't require certification due to the fact that it is considered a natural colorant [3,4]. The main carotenoid detected in annatto seeds is bixin , a carotenoid soluble in fats but not in water. Image: See credits under ref.  below.
Common names: Achiote, Annatto, Aploppas
An ancient oil, used by African tribes for its culinary, medicinal and health beneficial properties, Argan oil, became in recent years the subject of studies and research from cosmetic and pharmaceutical companies that were looking for a way to make commercial use of all these health benefits of Argan oil. Image left: See credits under ref.  below.
Common name: English, Argan almond, Argan fruit, Argan oil, Moroccan fodder tree .
PHYSALIS MINIMA USES
Physalis minima (Country gooseberry), is a plant from the Solanaceae family that has been used since centuries ago in Ayurvedic traditional medicine.
In Ayurveda, this plant is known as Chirpoti, and it is used to treat some well-known ailments and health problems. The fruit of this plant has a characteristic orange color and is covered by paper-like leaves resembling Japanese paper lantern lights.
In spite most of the investigations and research made on this wonderful fruit are focused on its anti-cancer properties, Physalis minima have other important properties, among which we can mention its diuretic, laxative, anti-inflammatory, antimicrobial  and anti-bacterial properties . Image: See credits under reference  below.
Common name: Native gooseberry, Country gooseberry, Wild cape gooseberry and Pygmy ground cherry , Physalis parviflora, Physalis pubescens, Chinese lantern