10 most difficult plants riddlesPlants quiz
Where is the gutta-percha trees growing?
from South America
from New Zealand
Known for its latex, Gutta-Percha or Palaquium gutta is a tree found in Sumatra, Malaysia, Singapore, and Borneo.It grows up to 40 - 45 m in height. The bark is cracked and reddish brown. The leaves are thickly papery, oval, and have reddish-brown hairs underneath.
Which plant is known as food of the gods, gave people fire, black dung and is used to make "Lebanese Viagra"?
Ferula is a genus of about 170 species of flowering plants. Asafoetida, the dried latex from the rhizome of Ferula it is also known as food of the gods or devil's dung. The ferula also shows up in mythological contexts; Prometheus smuggled fire to humanity by hiding it in a ferula as well. In the Middle East, the common name "Lebanese Viagra" refers to the traditional use of the roots of this plant as an alleged aphrodisiac.
Which species of cannabis contains the most THC?
Some studies indicate that, on average, Cannabis sativa has higher levels of CBD compared to THC than C. indica. The effects of sativa are well known for its cerebral high, while indica is well known for its sedative effects which some prefer for night time use. Both types are used as medical cannabis.
Which plant belongs to the cabbage family?
Rapeseed (Brassica napus) in the case of one particular group of cultivars, canola), is a bright-yellow flowering member of the family Brassicaceae (mustard or cabbage family), cultivated mainly for its oil-rich seed. It is the third-largest source of vegetable oil in the world.
What tree is considered to be the most dangerous in the world?
The manchineel tree is native to tropical southern North America and northern South America. All parts of the tree contain strong toxins and even the merest contact with human skin causes a breakout of blisters, and blindness can occur if it touches a person's eyes. In some parts of its range, many trees carry a warning sign, while others are marked with a red "X" on the trunk to indicate danger.
What's the main fly agaric toxin?
Amanita muscaria contains several biologically active agents, at least one of which, muscimol, is known to be psychoactive. Ibotenic acid, a neurotoxin, serves as a prodrug to muscimol, with approximately 10–20% converting to muscimol after ingestion. An active dose in adults is approximately 6 mg muscimol or 30 to 60 mg ibotenic acid; this is typically about the amount found in one cap of Amanita muscaria. Spring and summer mushrooms have been reported to contain up to 10 times more ibotenic acid and muscimol than autumn fruitings.
Where is saffron crocus most abundant in the wild?
The saffron crocus is a triploid that is incapable of independent sexual reproduction — all propagation is via manual "divide-and-set" of a starter clone. It may have emerged via plant breeding in late Bronze-Age Crete.
What tree is that?
Mediterranean dwarf palm
Cuban royal palm
giant windowpane palm
Ravenala, commonly known as traveller's tree is a palm resembling tree native to Madagascar. At the top of the tree are banana-like leaves, with pale midribs that give a fanlike appearance. It is named so because the water it accumulates in its leaf bases can be used in emergencies for drinking. However, the water inside the plant is murky, black and smelly and should not be consumed without purification.
Which plant was particularly valued in the production of the first paper?
The mulberry is a significant fiber crop in the history of paper. It was used for papermaking in China by around 100 AD. The paper recipe used by Cai Lun included plant bark fibres, rags and fishing nets. Early paper makers particularly valued Mulberry for producing high quality paper. Washi, a Japanese handcrafted paper, is made with the inner bark, which is pounded and mixed with water to produce a paste, which is dried into sheets.