''Willisia'' is a genus of
flowering plant
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants th ...
s belonging to the family
Podostemaceae
Podostemaceae (riverweed family), a family in the order Malpighiales, comprise about 50 genera and species of more or less thalloid aquatic herbs.
Distribution and habitat
They are found mostly in tropical and subtropical areas worldwide. Ma ...
.
It is native to
Bangladesh
Bangladesh (}, ), officially the People's Republic of Bangladesh, is a country in South Asia. It is the eighth-most populous country in the world, with a population exceeding 165 million people in an area of . Bangladesh is among the mos ...
and
India
India, officially the Republic of India (Hindi: ), is a country in South Asia. It is the seventh-largest country by area, the second-most populous country, and the most populous democracy in the world. Bounded by the Indian Ocean on the so ...
.
Known species:
* ''
Willisia arekaliana''
Shivam. & Sadanand
* ''
Willisia selaginoides
''Willisia'' is a genus of flowering plants belonging to the family Podostemaceae.
It is native to Bangladesh and India.
Known species:
* '' Willisia arekaliana'' Shivam. & Sadanand
* '' Willisia selaginoides'' (Bedd.) Warm. ex Wille
The genu ...
''
(Bedd.) Warm. ex Wille
The genus name of ''Willisia'' is in honour of
John Christopher Willis (1868–1958), an English botanist known for his 'Age and Area hypothesis' and his criticism of
natural selection
Natural selection is the differential survival and reproduction of individuals due to differences in phenotype. It is a key mechanism of evolution, the change in the heritable traits characteristic of a population over generations. Charle ...
.
It was first described and published in Kongel. Danske Vidensk. Selsk. Skr., Naturvidensk. Math. Afh., series 6, Vol.11 (1) on page 58 in 1901.
References
{{Taxonbar, from=Q10393752
Podostemaceae
Podostemaceae genera
Plants described in 1901
Flora of India (region)
Flora of Bangladesh