Talk:Oxalis tuberosa

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Classed as an invasive weed?[edit]

I removed this statement:

In North America the oca has been classed, unfairly, as an invasive weed.

because I couldn't find any evidence for it. The USDA doesn't believe the plant occurs in the United States [1]. — Pekinensis 06:36, 27 May 2005 (UTC)

Second most important[edit]

Both the descriptions of the oca and ulloco state that they are "second only to the potato" in importance in the Andes. So, which is correct?--12.154.39.254 22:25, 19 December 2006 (UTC)

According to [2], ulluco has twice as many consumers as oca. — Preceding unsigned comment added by 207.118.113.13 (talk) 02:27, 9 July 2014 (UTC)

Wrong photo[edit]

The photo purporting to be oca is in fact ulluco. Oca is longer, more the proportion of carrot (though not tapering), and has ridges. Perumanta (talk) 03:04, 9 May 2008 (UTC)

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Picture of New Zealand oca available[edit]

apologies, am new to wikipedia. I have an authentic picture of New Zealand sourced oca (grown on in the UK) available if required.

<a href="http://www.flickr.com/photos/thecatofstripes/377463976/" title="oca by catofstripes, on Flickr"><img src="http://farm1.static.flickr.com/183/377463976_48023a7a39_o.jpg" width="640" height="368" alt="oca" /></a>

locates it. The oca pictured was bought from Waitrose (UK supermarket chain) and grown on in my garden.

Catofstripes (talk) 15:38, 18 August 2008 (UTC)

Okay whomever edited my contribution on oca doesn't know what they are going on about. I have oca from Eucador. As anyone knows eucador on the equator as no day lenght variable. I even asked when i was there if there was a season for oca. There is not. It is unforunate that people whom have not been to the places and seen the situations they are grown in bother to contribute and edit. oca tubers are not day lenght variable however they take a longish season to produce tubers. —Preceding unsigned comment added by Todare (talkcontribs) 01:24, 23 August 2010 (UTC)

Provided that you can find suitable and authoritative references to support your assertion, then it can be added. Unfortunately, the use of common names means that often the same name is used for different plants and the plant you saw in Ecuador (?) may have been a different species and not Oxalis tuberosa  Velella  Velella Talk   19:07, 27 August 2010 (UTC)

Todare is correct that oca does not require a reduction in day length in order to form tubers. Oca forms tubers at day lengths of 13 hours or less (depending on variety) and will form tubers under artificial light with an unchanging day length of 12 hours. I believe that the reference to Lost Crops of the Incas was misconstrued, as it actually says the following:

"Daylength requirements may slow up the crop's acceptance in new areas. Most Andean oca varieties have specific photoperiod responses that limit their culture to equatorial latitudes. If grown elsewhere, they form no tubers. Before oca's potential can be achieved worldwide, varieties that are either daylength neutral or adapted to long days must be located.2 The plants of New Zealand, the southern end of the Andes, and perhaps Mexico seem likely sources for these."--Gdasein (talk) 06:36, 11 May 2015 (UTC)

New Zealand Yam[edit]

The article says they're known in New Zealand as "New Zealand Yams". However, we just call them yams. In fact, I only recently found out people in other countries are referring to kumara when they say "yams"! Should this be corrected, or would it just be too confusing? — Preceding unsigned comment added by MotleyPhule (talkcontribs) 07:29, 11 January 2012 (UTC)

Spot on. Now changed  Velella  Velella Talk   16:49, 11 January 2012 (UTC)

Proposed edits to oca page[edit]

The oca page looks good and has a lot of great information, but I am interested in adding to it. I'm planning to add a number of new sections: cultural significance, diversity, and use-categories. Also, I would like to make some edits and additions to the text already present. I think the overall organization could also be improved. I know that people have already put a lot of hard work into this, and I don't want to step on anyone's toes, so I'd love input from anybody about my proposed edits. Please respond to this post if you'd like me to send you a draft. Laurenjm (talk) 18:03, 19 February 2012 (UTC)

Anything that improves or expands an article is always welcome - sometimes it is also necessary to tread on some toes (but not too often!). If you are thinking of making major changes, why not create your new version in your user space (i.e. User:Laurenjm/Oxalis tuberosa ) and leave a note here seeking editors views on your new version ? If there is support from the Wikipedia community, it is easy to copy across the new version wholesale. This method makes your developing new version visible to any editor who is interested. Regards.  Velella  Velella Talk   19:16, 19 February 2012 (UTC)
Thanks for the suggestion. This is my first time working on Wikipedia, so any advice is very much welcomed. I have a draft going at User:Laurenjm/oca draft. Obviously I need to fix a lot with formatting and references, but the content is pretty much there. Feel free to take a look and share your suggestions with me. — Preceding unsigned comment added by Laurenjm (talkcontribs) 23:36, 19 February 2012 (UTC)
That looks pretty good, (especially for a new editor!). Lets wait for a few more opinions before moving anything over. It would be useful if you could get your image file included as well. The easiest place to upload it is at Wikimedia Commons. I have made a minor edit to your comments just to shorten the link to your version of the page - Wikipedia etiquette deprecates editors changing the comments of others - but in this case it makes navigation a little easier. I apologise for that in advance. Regards  Velella  Velella Talk   23:53, 19 February 2012 (UTC)
Okay, I think it's ready to be published! Now, how can I copy this new version to the current Oxalis tuberosa page? — Preceding unsigned comment added by Laurenjm (talkcontribs) 20:11, 26 February 2012 (UTC)

Updated version of Oxalis tuberosa[edit]

An updated and re-written version of the article is available at User:Laurenjm/oca draft. It is proposed to upload this version to replace the existing version. Please comment below either in favour or citing reasons why it shouldn't be changed. In the absence of any adverse comments by 4th March, the new version will be copied over. The new version has my Support  Velella  Velella Talk   21:33, 26 February 2012 (UTC)

Thank you for your help. Now, what should I do to get the new version copied over? — Preceding unsigned comment added by 71.87.115.37 (talk) 15:13, 5 March 2012 (UTC)
Assuming that you are Laurenjm having omitted to log-in, please log in first - if you don't all the vandal watchers may start to get interested - especially for a significant change to an article! I am in some difficulty giving advice without knowing your level of competence with a computer, so please forgive instructions that may seem like teaching your grandmother to suck eggs. The very simple answer is to open both versions in edit mode and copy your version and paste it over the old version and save it with an edit summary of something like "updated version as agreed on talk page". That way preserves all the history and provides the justification. If you are unfamiliar with copy and paste operations , open both versions in edit mode in separate tabs. In your new version select the text (Ctrl A) and copy it (Ctrl C) ; move to the old version and select the text (Ctrl A) and paste your version in (Ctrl V) and save with an appropriate edit summary as above. If that isn't clear please drop a note here and I will try to assist. Regards  Velella  Velella Talk   20:44, 5 March 2012 (UTC)
Done! Thank you, Velella for your patient help. I look forward to seeing further improvements to the new edited page made by other users. — Preceding unsigned comment added by Laurenjm (talkcontribs) 02:36, 7 March 2012 (UTC)

Like a baked potato with sour cream[edit]

The book "Future Stuff" by Malcolm Abrams and Harriet Bernstein claims that oca tastes like a baked potato with sour cream. Is this true? Why isn't this characteristic listed in the main article?74.100.47.237 (talk) —Preceding undated comment added 03:27, 12 July 2012 (UTC)

Possibly because it is just an opinion. I am sure that it is possible to find a wide range of opinions about how things taste, but as taste is a subjective experience, it rarely adds much to a Wikipedia article. If adding it as in " xxxx claims that Oca tastes like....." with an in-line citation, you would also need to establish that the source quoted was indeed a reliable source. From the title of the source my guess is that it would not be considered reliable.  Velella  Velella Talk   09:02, 12 July 2012 (UTC)