The Challenge: Identify flora on Lesotho's banknotes

Today’s challenge is to identify the following plants and flowers from Lesotho’s banknotes.

If you can precisely identify the proper name of any of the following—or have a lead which you think might be useful—please post a comment, preferably including a URL which links to evidence supporting your identification.

This plant appears as the registration device on Lesotho’s 20-loti note dated 1990 (P12):

IDENTIFIED: Agave plant and flowers.

This left and flowers appear as the registration device on Lesotho’s 100-loti note dated 2001 (P19):

IDENTIFIED: Calla lily (Zantedeschia aethiopica) leaf and flowers.

This plant appears as the registration device on Lesotho’s 200-loti note dated 1994 (P20):


These flowers appear on the back of Lesotho’s 10-loti note dated 2010 (PNL):

IDENTIFIED: Cosmos flowers.