Revision of Passiflora Subgenus Decaloba ... - Passion Flowers

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vegetatively identical to P. itzensis, but numerous floral characters may be used
to separate them (see description of P. itzensis). The most obvious difference
between these species is the extreme reduction or lack of an androgynophore in
P. itzensis. Passiflora sexocellata is also vegetatively similar to P. xiikzodz.
However, these species differ in the position of the petiolar nectaries, with P.
xiikzodz having nectaries positioned toward the apex of the petiole and P.
sexocellata possessing nectaries at the middle or on the proximal half of the
petiole.
According to MacDougal (1992), Passiflora xiikzodz appears to be self-
incompatible and no fruits have been produced by autogamy in this species.
Fruits with viable seeds were easily produced between two clones of P. xiikzodz
(MacDougal 4690 and MacDougal 4677). However, artificial cross-pollinations
between P. xiikzodz and P. itzensis proved unsuccessful.
In Belize, Meerman (2001) found that Heliconius erato is an herbivore of P.
xiikzodz.
Figure 8.38. Flower of P. xiikzodz (MacDougal 4677). Scale bar = 5.0 mm.
Photo by J. M. MacDougal.