goat's rue: tall bushy European perennial grown for its pinnate foliage and slender spikes of blue flowers; sometimes used medicinally
herb: a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests
blood pressure: the pressure of the circulating blood against the walls of the blood vessels; results from the systole of the left ventricle of the heart; sometimes measured for a quick evaluation of a person's health