For details and discussion, see G. Knaben (1958); A. Löve (1962b, 1962c); and G. Knaben and N. Hylander (1970). Knaben, G. 1958. Papaver-studier, med et
4 KB (434 words) - 22:48, 5 November 2020
We recognize Papaver lapponicum in a much narrower sense than did G. Knaben (1959). Much further study is needed to assess the relationships of North American
4 KB (338 words) - 15:58, 29 February 2024
base abruptly expanded. The chromosome number (2n = 42) attributed to G. Knaben (1959) by U. Rändel (1977) cannot be confirmed. Phenology: Flowering Jun–Aug
4 KB (364 words) - 20:34, 6 November 2020
brown. The report of 2n = 84 (as P. cornwallisensis) attributed to G. Knaben (1959) by A. Löve (1962b) cannot be confirmed. Phenology: Flowering Jun–Jul
4 KB (353 words) - 16:50, 24 September 2021