Barclaya rotundifolia is a species of perennial aquatic plant native peninsular Malaysia, and Borneo.
Description Vegetative characteristics Barclaya rotundifolia is an aquatic plant with stoloniferous, short, and thick rhizomes. The stolons are 2 mm wide. The green, rounded leaves are 4-7 cm wide.Jacobsen, N., Ganapathy, H., Ipor, I., Jensen, K. R., Komala, T., Mangsor, K. N., ... & Ørgaard, M. (2022). "A reassessment of the genus Barclaya (Nymphaeaceae) including three new species." Nordic Journal of Botany, 2022(5), e03392. Generative characteristics The nocturnal, 5 cm wide flowers are attached to 5-10 cm long peduncles. The flowers have 30-50 anthers. The gynoecium consists of 10-12 carpels. The globose, 1 cm wide fruit bears echinate, brown, ellipsoid, 2 mm long seeds. Cytology The diploid chromosome count is 2n= 36.
Reproduction Vegetative reproduction It can reproduce vegetatively through the formation of stolons.
Taxonomy It was first described by Mitsuru Hotta in 1966. The type specimen was collected by Mitsuru Hotta in Sungai Beangang, Bintulu, Sarawak, Malaysia, on the 23rd of November 1963. Etymology The specific epithet rotundifolia, from the Latin rotundus and folium, means round-leaved.Flora of Zambia: Species information: Tithonia rotundifolia. (n.d.). Retrieved January 12, 2024, from https://www.zambiaflora.com/speciesdata/species.php?species_id=160470Burnham, R. J. & University of Michigan. (2016, September 4). Smilax rotundifolia | CLIMBERS. Retrieved January 12, 2024, from https://climbers.lsa.umich.edu/smilax-rotundifolia/Selliera rotundifolia. (n.d.). New Zealand Plant Conservation Network. Retrieved January 12, 2024, from https://www.nzpcn.org.nz/flora/species/selliera-rotundifolia/
Conservation It is classified as data deficient (DD).
Ecology Habitat It occurs in streams, and pools beneath tropical forest. It can grow in a submerged or emerged state.
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