Forum Flora Germanica

According to some keys there should be obvious upwards hairs on true leaves surface, no such thing here (only some on leaf edge), original surface attached
http://agrozoo.net/jsp/Galery_one_image ... 8555eae09a

Any opinion ? Edit: red veins looks to me pretty significant.

seedling

!=

BubikolRamios hat geschrieben: Mo Jul 10, 2023 11:36 amtrue leaves

True, and ?

So, if you understand the difference between seedling leaves and mature leaves, why are you looking for characteristics of mature leaves on seedling leaves?

I see where you are going, various keys declares there are cotyledons, all the rest are true leaves, the one on image first true leaves. Subsequent true leaves can differ.

Well, "various keys" is too vague to make productive comments. I assume you're using some seedling key, or what else?

I never had much success with two different printed field weeds keys because they've been written by agriculturists in a very cryptic and confusing way.

Found a few net keys, just to pick what they were looking at, key wise, at the time. Otherwise in ruins, text does not match images, ...