6a English name for a family of herbaceous plants that includes cotton, hibiscus, hollyhocks and okra from which the colour mauve derives it's name [6]
15a Described by John Keats in in To Autumn as bending the 'moss'd cottage-trees', an orchard fruit with many heritage varieties, used to make charlotte, crumble filling or scrumpy [5]
24d Colour of the markers indicating the most challenging ski runs etc [5]