Whilst birding Al Uqayr near Al Hassa I found some Red Thumb Cynomorium coccineum, in the same area where I saw some last year, but two months earlier in the year. This plant is a parasitic, leafless plant without chlorophyll. It is a fleshy, reddish, club-shaped perennial herb that can grow up to 30 centimeters high and is parasitic on the roots of desert shrubs. It is only visible above ground during its spring flowering period. The flowering stems may emerge from the ground singly but more often they are grouped several together. The interflorescence is dark-red to purplish and is made up of minute scarlet flowers that may be male or female. Flies are attracted by the smell given off from the plant and are thought to be pollinators of the plant which once pollinated turns black. They grow on sandy, saline, ground. The plant is known as 'tarthuth' by the Bedouin and is also known as Maltese Fungus and Desert Thumb and is used in many herbal medicines around the world. Due to its' dark red colour it was thought to be able to cure aneamia and other blood-related diseases and dried spikes were carried by the Crusaders in order to treat wounds. Research being carried out into the plants' actual medicinal properties seems to provisionally confirm several of the traditional uses with extracts of the herb appearing to inhibit HIV, improve blood flow and lower blood pressure.
Jem's Birding & Ringing Exploits in the Eastern Province and elsewhere in Saudi Arabia
13 February 2024
05 April 2023
Red Thumb – Al Uqayr
Whilst birding Al Uqayr near Al Hassa I found some nice examples of Red Thumb Cynomorium coccineum. This plant is a parasitic, leafless plant without chlorophyll. It is a fleshy, reddish, club-shaped perennial herb that can grow up to 30 centimeters high and is parasitic on the roots of desert shrubs. It is only visible above ground during its spring flowering period. The flowering stems may emerge from the ground singly but more often they are grouped several together. The interflorescence is dark-red to purplish and is made up of minute scarlet flowers that may be male or female. Flies are attracted by the smell given off from the plant and are thought to be pollinators of the plant which once pollinated turns black. They grow on sandy, saline, ground. The plant is known as 'tarthuth' by the Bedouin and is also known as Maltese Fungus and Desert Thumb and is used in many herbal medicines around the world. Due to its' dark red colour it was thought to be able to cure aneamia and other blood-related diseases and dried spikes were carried by the Crusaders in order to treat wounds. Research being carried out into the plants' actual medicinal properties seems to provisionally confirm several of the traditional uses with extracts of the herb appearing to inhibit HIV, improve blood flow and lower blood pressure.
23 March 2022
Red Thumb – Al Uqayr
Whilst birding Al Uqayr near Al Hassa I found a couple of nice examples of Red Thumb Cynomorium coccineum. This plant is a parasitic, leafless plant without chlorophyll. It is a fleshy, reddish, club-shaped perennial herb that can grow up to 30 centimeters high and is parasitic on the roots of desert shrubs. It is only visible above ground during its spring flowering period. The flowering stems may emerge from the ground singly but more often they are grouped several together. The interflorescence is dark-red to purplish and is made up of minute scarlet flowers that may be male or female. Flies are attracted by the smell given off from the plant and are thought to be pollinators of the plant which once pollinated turns black. They grow on sandy, saline, ground. The plant is known as 'tarthuth' by the Bedouin and is also known as Maltese Fungus and Desert Thumb and is used in many herbal medicines around the world. Due to its' dark red colour it was thought to be able to cure aneamia and other blood-related diseases and dried spikes were carried by the Crusaders in order to treat wounds. Research being carried out into the plants' actual medicinal properties seems to provisionally confirm several of the traditional uses with extracts of the herb appearing to inhibit HIV, improve blood flow and lower blood pressure.
09 March 2020
Red Thumb – Hubail Lake
20 November 2018
Red Thumb – Al Asfar Lake
14 March 2014
Red Thumb - Sabkhat Al Fasl
03 April 2013
Red Thumb – Dhahran Hills
The Red Thumb Cynomorium coccineum is a parasitic perennial herb that can grow up to 30 centimetres high and is parasitic on the roots of desert shrubs. They grow on sandy, saline, ground with this plant photographed in Dhahran camp near the percolation pond. Desert Thumb is used in many herbal medicines around the world. Due to its' dark Red colour it was also thought to be able to cure aneamia and other blood-related diseases and dried spikes were carried by the Crusaders in order to treat wounds with recent research into the plants' actual medicinal properties seems to provisionally confirm several of the traditional uses. Extracts of the herb appear to inhibit HIV, improve blood flow and lower blood pressure.

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