About Trisetum flavescens (L.) P.Beauv.
Scientific Classification and Growth Habit
Trisetum flavescens, also known by its scientific name Trisetum flavescens (L.) P.Beauv., is a perennial bunchgrass that grows in clumps.
Mature Height
It typically reaches 60 to 80 centimetres (24 to 31 inches) in height, and occasionally grows over 1 metre (3.3 feet) tall.
Inflorescence Characteristics
Its inflorescence is a narrow panicle that is greenish yellow to purple when new, and ages to a bright golden yellow.
Viral Susceptibility
This grass is susceptible to yellow oat grass mosaic virus (YOgMV), a virus from the genus Tritimovirus.
Livestock Toxicity Overview
This grass is documented to be toxic to livestock, and causes calcinosis, a condition where calcium is deposited in soft tissues including muscle, tendons, the heart, and large arteries such as the aorta.
Toxicity Effects in Cattle
In affected cattle, the toxicity causes difficulty moving and standing, plus reduced milk production.
Toxicity Effects in Goats
In affected goats, it causes heart murmurs, heart arrhythmias, weight loss, difficulty walking, kneeling, and rising, and reduced milk production.
Toxicity Effects in Horses
In affected horses, it causes tenderness in tendons and ligaments, weight loss, and movement problems.
