Talk:Tropaeolum tuberosum

75 percent
This was what was already in the artice: "The tubers comprise as much as 75 percent of the mature plants by dry weight (40 percent is typical for cereals)."

When I tried to find a source for this statistic, I came across this: "The proportion of dry matter reaching the tubercle can by [sic] up to 75 per cent." (see Peace Diaries Workspace)

I have added the information from the second quote into the article, but I wonder whether this is where the original statistic quoted came from. It is almost certainly a misinterpretation, but it could be that the first quote needs to be removed, as the second one replaces it.

In any case, the "40 percent is typical" part needs a source. Leevclarke (talk) 16:13, 12 January 2008 (UTC)

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Link to Genus
On 18 July 2009, a change was made that links to the genus Nasturtium, whereas previously there was a link to the disambiguation page between the genus Nasturtium and the genus Tropaeolum, which includes the garden flower commonly called Nasturium. This change was mistaken, as Mashua (or Añu or Isañu) belongs to the genus Tropeaolum (and therefore is related to the garden nasturtium, and not the genus Nasturtium. As this is a little bit complicated, and I am new to this, I will not try to change it just yet, but it should be corrected.  I could click "undo" - but it would be better to link to the genus Tropeaolum page.Api11aYacheq (talk) 05:43, 3 February 2010 (UTC) Just tried correcting this myself.  Api11aYacheq (talk) 03:07, 24 February 2010 (UTC)

Which is which?
Someone had a brain freeze. The image shows two vegetables, names them, and gives no clue as to which is which. If you do not know, you have only a 50:50 chance of guessing correctly. Please label it so the ignorant (me) can learn which is which. Nick Beeson (talk) 14:45, 27 March 2012 (UTC)

The front part of the plate contains oca and the back mashua. The mashua tubers are more clavate, while the oca are more cylindrical. Also, the skin of the mashua tubers is a bit more opaque. Goofy choice for a picture; only someone really familiar with the two vegetables could spot the difference. — Preceding unsigned comment added by 173.202.213.214 (talk) 08:08, 15 February 2014 (UTC)

Can I suggest that the title of this article be changed to "Mashua" instead of the botanical name "Tropaeolum tuberosum"? While the latter is indeed the correct scientific name for this crop, "mashua" has been widely adopted in the scientific literature as the English name. More importantly, the scientific name denotes not only the crop plant, but also its conspecific wild relatives (which look quite different from the crop and are essentially a different thing). In other words, all mashua belongs to the species T.t., but not all T.t. is mashua. Moreover, it doesn't make sense to use the Latin name for a crop, which has an English vernacular name. We would then also have to change the name for potato into "Solanum tuberosum", which would be nonsense. Has anyone reasoned objections to this change? — Preceding unsigned comment added by NusHub (talk • contribs) 17:11, 8 January 2015 (UTC)