The catalog/Species
Oxalis spp.
Genus-level entry. These cultivars are recorded under Oxalis with no species — typically inter-species hybrids or supplier listings without an extracted species name.
Cultivars
'Iron Cross'
Oxalis
Oxalis tetraphylla 'Iron Cross', also known as the Good Luck Shamrock, is a bulbous perennial prized for its distinctive four-leaf foliage. Each leaflet features a rich green base with a dark purplish blotch, forming a cross-like pattern. The leaves open during the day to absorb sunlight and fold at night, adding an element of movement to its charm.
'Regnelli'
Oxalis
Oxalis regnellii, commonly known as Green Shamrock, is a compact, bulbous perennial prized for its clover-like, bright green foliage and delicate white flowers. The leaves fold at night and reopen during the day, adding a dynamic element to its charm.
'Triangularis'
Oxalis
Oxalis triangularis, commonly known as Purple Shamrock, is a bulbous perennial prized for its deep purple, triangular leaves that fold at night and reopen in daylight. This movement, known as photonasty, adds a dynamic element to its charm.