The genus Pinguicula can be divided into 2 groups according to their seasonal growth pattern: plants that form winter buds, or temperate climate species; and plants that do not usually form winter buds, tropical or subtropical species. Chart 1.
Temperate Pinguicula (Form winter buds)
P. algida A P. alpina A,B P. balcanica A,B,C P. corsica A P. grandiflora A,B P. leptoceras A,B P. longifolia B,C P. macroceras A,B P. nevadensis A P. ramosa A P. vallisneriifolia B,C P. variegata A P. villosa A P. vulgaris A,B
A=acid soil B=basic soil C=heterophyllous
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