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For the "blue" passiflora, the french write the epithet as COERULEA , =
the english CAERULEA,=20
Both schools cite L. [1753, Sp. Pl. : 959],

According to the Missouri Botanical Garden database and Index Kewensis, the
correct spelling is P. caerulea. Apparently the name P. coerulea was floating
around at one time, but the compilers of the original Index Kewensis put in a
note: See P. caerulea.
Many things got a little messed up while crossing the English Channel. The
Mediterranean did a lot worse. Look what happened to the Hebrew alphabet when
the Phoenicians sent it over to Greece.
Iris,
Central NY, Zone 5a, Sunset Zone 40
"If we see light at the end of the tunnel, It's the light of the oncoming
train."
Robert Lowell (1917-1977)