Massonia bifolia (syn. Whiteheadia bifolia) has large light green leaves and vertical spikes of green flowers.

Massonia bredasdorpensis has large, glabrous, light green leaves and small clusters of white flowers becoming brain coral-like seed pods.

Massonia citrina is a newly described species with large, smooth, light green leaves and clusters of lemon yellow flowers.

Massonia depressa has large, smooth, light green leaves and clusters of greenish yellow to light yellow flowers.

Massonia echinata has smallish grey-green leaves with numerous raised pustules and yellowish green flowers.

Massonia hirsuta has rounded, smooth to hairy, light green leaves and white very fragrant flowers with black stamens.

Massonia huttonii Bedford has smooth blue-green leaves and white flowers touched with pink and black stamens.

Massonia inaequalis is a dwarf species with cute, green to grey-green, pustulated or smooth leaves and white flowers.

Massonia jasminiflora is a small species with smooth to dark pustulated leaves and sweetly scented white flowers

Massonia latebrosa has purple streaks and markings on the pustulated leaves and green and reddish flowers.

Massonia longipes has ridged, heavily textured, shiny leaves from green to burgundy and fragrant creamy white flowers.

Massonia mimetica has cinnamon coloured, pustulated leaves and pale yellow flowers with orange to blue anthers.

Massonia pseudoechinata has smallish green leaves with light pustulation and white flowers with purple anthers.

Massonia pustulata has ridged and heavily textured, shiny, green leaves and fragrant white flowers with blue nectar.

Massonia pygmaea ssp. kamiesbergensis is a miniature with smooth green leaves and white flowers.

Massonia roggeveldensis has small leaves at first flushed with burgundy turning green and white flowers turning pink.

Massonia saniensis is a dwarf species with cute, grey-green, pustulated leaves and white flowers.

Massonia sempervirens is a botanical mystery with variably pustulated leaves and white fragrant flowers with pink filaments.

Massonia setulosa has rich green, smooth leaves and white flowers that can age to pink with yellow or black anthers.

Massonia sp. Outeniqua is a beautiful plant with blue-green leaves and dramatic pixelated burgundy spots.

Massonia thunbergiana has green to blue-green leaves with variable hairs and pustulations. Possibly hardy to zone 8.

Massonia visserae has small, bluish green, triangular, variably pustulated, hairy leaves with white flowers with black anthers.

Meconopsis paniculata blooms on stems 4-5 feet tall covered in about 50 cupped, silky-textured, lemon yellow flowers.

The Himalayan blue poppy is a horticultural holy grail. Meconopsis 'Lingholm' is one of the best blue poppies for the garden.

Mentha requienii or Corsican mint has a delicious fragrance when caressed. It is the flavouring for creme de menthe.