Laburnum anagyroides plant contain cytisine and are poisonous if consumed. The wood is hard and heavy, of a yellow/brown colour, ideal for making posts, for woodturning and as fuel. In the past (and today on historic re-enactments) it was used for making bows. The tree is also known as "false ebony" since the wood from very old specimens could be used in place of ebony. "Laburnum anagyroides" is cultivated as an ornamental tree. The most common ornamental plant in the genus is a hybrid between this species and "Laburnum alpinum" — Laburnum × watereri. The English poet Francis Thompson described the "laburnum"
Colour state other than clouds or low visibility (e.g. ice or other obstructions) then the word BLACK is written in full and placed immediately before the actual colour state (e.g. BLACKWHT). The colour state may be appended to a METAR report. A short period forecast called a "TREND" which covers the following two hours from the observation may also be added, often with reference to the colour state. The following criteria are used to determine the colour state: Colour state Colour states is a system used for quickly showing meteorological conditions. Meteorological colour states are determined by the relevant worst condition from