Category Perennial

Mountain rocks and dry sites. Love

Rocky, wooded or open slopes and sometimes in swamps. Shaded or open woods, often around cliffs, rock outcrops, and forest edge, sometimes in swamps, from sea level to 1600 metres. Love

Woods and thickets. Love

Woods and thickets, 600 – 1000 metres in W. China. Love

Usually found in low damp bottomland or riparian woods and thickets, it is also often found round ancient Indian campsites. Love

Mountain grassland, heaths, dry pastures and woodland edges, usually on calcareous soils. Love

Dry soils, prairies, open ground and open woods. Love

Savannahs. Love

Loose leafy detritus in moist shady habitats. Forest margins and thickets at elevations of 830 – 1,200 metres in western Yunnan. Love

A weed of wasteland and agricultural land. Love

The upper margins of salt and brackish marshes, sides of ditches and grassy banks near the sea. Love

Not known Love

Not known in a truly wild situation. Love

Dry stony limestone slopes, 1000 – 1500 metres. Love

Native to the arid highlands of Mexico. Prefers sandy soils in arid and semi-arid subtropical areas. Love