T. Luque, KARYOLOGY OF NONEA MEDICUS (BORAGINACEAE) IN SPAIN - RELATIONSHIPS BETWEEN GENERA OF BORAGINEAE BARBIER AND MATHEZ (ANCHUSEAE DC), Biological Journal of the Linnean Society, 117(4), 1995, pp. 321-331
In a survey of the karyology of Nonea, which completes an examination
of Spanish Boragineae, the chromosome number for N. echioides (L.) Roe
mer and Shultes is reported for the first time. Relationships between
the genera that are included in the tribe Boragineae are discussed, co
nsidering chromosomal and morphological characters and the habit of th
e plants.