Systematic Botany, Vol. 29, No. 3 (Jul. - Sep., 2004), pp. 790-805 (16 pages) The systematic value of morphological characters in Senecio sect. Jacobaea (Asteraceae) is studied using separate and ...

(1) Field observations of three sand-dune populations of ragwort (Senecio jacobaea L.) in the Netherlands showed that flowering and seed production were related to plant size. Small-sized plants might ...

Look around these days and you'll find the yellow flowers of tansy abundant in fields, roadsides and even gardens. "This is one of the worst years for tansy in some time," said Sam Leininger, WeedWise ...

Journal of Botany, December.—The article on a new Senecio hybrid, by Mr. Burbidge and Mr. Colgan, refers to a form found at Sorrento, Ireland, which is intermediate in character between the common ...

Madam, – Eileen Battersby wrote (Summer Living, August 6th) about the noxious senecio jacobaeaand the need to eliminate it. I was given a great dislike for this plant from a very early age, but I ...

In our glorious 2018 summer, when fodder availability became a serious issue, animals turned their attention to other available plants, shrubs and trees. One is the common ragwort plant (Senecio ...

Of the approximately 350 known representatives of the pyrrolizidine alkaloid (PA) group, around 100 are acutely and chronically hepatotoxic, mutagenic, carcinogenic, or teratogenic. PA are produced by ...