Plasmodial tapetum and pollen wall development in Butomus umbellatus (Butomaceae
Fernando DD, Cass DD (1997) Developmental assessment of sexual reproduction in Butomus umbelatus (Butomaceae
): male reproductive component.
Tofieldia was first named by Walker (1986) as being among the most primitive extant monocotyledons, together with Narthecium (both are former members of Melanthiaceae s.l.), Acoraceae, Scheuchzeriaceae, and Butomaceae
Developmental morphology of Ranalisma humile and comparisons with two members of the Butomaceae, Hydrocleis nymphoides and Butomus umbellatus.
Symmetry and development of Butomus umbellatus (Butomaceae) and Limnocharis flava (Limnocharitaceae).
(1985), the Melanthiaceae and Trichopodaceae are the primitive families of the Monocotyledons, respectively, whereas for Cronquist (1988) and Takhtajan (1987), the Butomaceae
are still viewed, in a more traditional fashion, as one of the most primitive members of the Monocotyledons.
A Robertsonian relationship in the chromosomes of two species of Hydrocleys (Butomaceae