Albino mandarin seedling... yay or nay?

Belleville, ON(Zone 5b)

Hi there,
A month ago I planted some seeds from an organic mandarin I ate, and to my delight two of them sprouted! (Despite the baggie being shaken by my toddler twice, haha)

One of the seedlings is now 2 inches high, and looking very shiny and healthy. It's a nice deep green.
The other has a green stem, and the veins in the leaves are green also, but the cotyledon are white. I waited until true leaves grew, and they are also white with green veins. (They aren't visible yet in the photograph, but this is a good picture to show what I mean.)

I did some reading about albino citrus seedlings, how they are relatively common and are doomed to perish as soon as they run out of nutrients from their seed.
The pictures I found of albino seedlings look a little different than this little guy, though... they're PURE white. White stem, white veins, white leaves... no green at all.

Is this an albino seedling or something different? I didn't think you could get a variagated specimin from seed, but is that possibly what's going on here? I don't want to think it's destined to die at 6 inches tall... but I'm completely baffled by its pale colour. Anyone know how to identify an albino?

Thumbnail by xerynx
Tuskegee, AL(Zone 8a)

Well, you're right that it's not an albino. There are infinite possibilities of spontaneous mutations.

I haven't seen this in citrus, but I have in other plants. One possibility is that mature leaves will gradually develop a light brushing of green or an increasing amount of green until they are mostly green. They might be lighter near the veins. (In this instance, I'm thinking of Hosta Fire Opal & White Feather (http://www.hostalibrary.org/wx/whitefeather1.jpg), some Syngoniums (http://davesgarden.com/guides/pf/go/188579/) and Akebono variegation in Chinese clivias (http://chineseclivia.com/main/20081219532034/page/2010971412971/prosdetail.asp?proid=20110415170914734).

The light color is likely to burn easily. I would keep it in bright indirect light.

You might have something special, if not unique.

Please keep us posted. I, for one, am very interested is seeing its progress.

Thanks for posting about your discovery!

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