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Empty Fruit

Posted by bookwyrme CA (My Page) on
Fri, Oct 23, 09 at 14:54

I have a passiflora carulea. Over the last several years, it has flowered but not fruited.

I figured that there must just not be anything for it to cross with. This year, however, there was fruit, much to my delight.

Only--it all proves to be empty. There isn't a single seed inside.

Why is this, and why would the vine fruit if it had not been fertilized?


Follow-Up Postings:

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RE: Empty Fruit

I also get empty caerulea fruit. Occasionally there will be a ripe fruit that has very small undeveloped seeds but it's usually just full of air. I've never attempted to hand pollinate it but I have used the caerulea pollen on other passies.


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RE: Empty Fruit

  • Posted by tania Zone10 Ca (My Page) on
    Sat, Apr 17, 10 at 3:52

I have the same plant, and all my fruits are orange, and have reddish/orange seeds inside but the fruits are hallow, withtout any flesh. These are non-edible fruits. Not an edible variety.


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RE: Empty Fruit

My caerulea fruits are completely empty, no arils, nothing, just air.


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RE: Empty Fruit

Passiflora caerulea is a very variable species that needs to be cross-pollinated from another plant to set fruit. I have grown many over the years and generally they are pretty full of seed - see link below.
The fruit are edible when orange and ripe but are not very tasty. In all Passiflora unusually it is the seeds with the arils around them that are the edible bit and there is no flesh as such. Just bits of pith.,
Myles

Here is a link that might be useful: Passiflora caerulea


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RE: Empty Fruit

As Myles said, caerulea aren't normally self-fertile. They need another, non-clonal caerulea nearby for pollination. I have a standard caerulea as well as a Constance Eliott, and get many, many, many seed-filled fruit. The inside of the orange fruit is filled with gorgeous, juicy, brick-red arils. The fruit from my standard caerulea is vile, so utterly bland as to be repulsive. My Constance Eliott, on the other hand, has mildly sweet pulp and is edible. It's not tasty enough for me to go out of my way to eat some--not with maypops on the other side of the yard--but it's interesting to see such diversity among a single species.

And as a data point, my foetida var. gossypiifolia produces hollow red fruit regularly, and needs a pollinator to produce pulp and seed.


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RE: Empty Fruit

That's so odd. My foetida also produces red fruit but it's full of juicy arils and viable seed without having a pollinator.


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