Vines and Climbers forum: Is this normal for a passion vine (Passiflora)?

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Name: Summer
Northern California (Zone 9b)
Jun 5, 2017 12:57 AM CST
Hi there,

I have a blue horizon passion vine that appears to be doing quite well in a very bright window (plus supplemental lights) in my home. This is my first time growing passion vines. As it had gotten bigger, I've noticed that small blackish raised bumps are appearing on the internodes and stems. They look fairly natural, but I cannot find any information related to this online.

A few photos are attached- any help would be greatly appreciated!

Thank you,

Thumb of 2017-06-05/summert73/fb816a
Thumb of 2017-06-05/summert73/90f16e
Thumb of 2017-06-05/summert73/be5bed

Name: Anne
Summerville, SC (Zone 8a)
Only dead fish go with the flow!
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Jun 11, 2017 2:56 PM CST
Hi Summer and welcome to NGA!!!

I'm thinking those are Extrafloral Nectaries - aka EFN's. Pretty much all Passion vines have them (along with other plants as well) but they are not nearly as pronounced as those are, Check them at different times of the day and see if you find any liquid on them or feel sticky.

Here is a link that explains EFN's quite nicely.
"The Universe speaks in many languages, but only one voice. It speaks in the language of hope; It speaks in the language of trust; It speaks in the language of strength, and the language of compassion. It is the language of the heart and the language of the soul. But always, it is the same voice. It is the voice of our ancestors, speaking through us, And the voice of our inheritors, waiting to be born. It is the small, still voice that says: We are one. No matter the blood; No matter the skin; No matter the world; No matter the star; We are one. No matter the pain; No matter the darkness; No matter the loss; No matter the fear; We are one. Here, gathered together in common cause. we agree to recognize this singular truth, and this singular rule: That we must be kind to one another, because each voice enriches us and ennobles us, and each voice lost diminishes us. We are the voice of the Universe, the soul of creation, the fire that will light the way to a better future. We are one."


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