Blackstonia grandiflora (Viv.) Pau
Family: GENTIANACEAE
Genus: Blackstonia
Sinònims: Blackstonia perfoliata (L.) subsp. grandiflora (Viv.) Maire
Province distribution: Alacant. Balearic Islands.
Distribution in the islands: Mallorca. Menorca.
General distribution (Phytogeography): North Mediterranean
Flowering time: JanFebMarAprMayJunJulAugSepOctNovDec
Life-forms: Terophyte.
Habitats: Therophytic calicole fields. Therophytic communities.
Characteristics: Differs from the characteristic subspecies in its larger sized flowers (20-30 mm de diameter) and its greater number of floral pieces (up to 12), the entire size of the plant is greater than the other subspecies.