Barclaya rotundifolia

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Barclaya rotundifolia
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Order: Nymphaeales
Family: Nymphaeaceae
Genus: Barclaya
Species:
B. rotundifolia
Binomial name
Barclaya rotundifolia
M.Hotta[1]

Barclaya rotundifolia is a species of perennial aquatic plant native peninsular Malaysia, and Borneo.[1]

Description[edit]

Vegetative characteristics[edit]

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.[2]

Generative characteristics[edit]

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.[2]

Cytology[edit]

The diploid chromosome count is 2n= 36.[2]

Reproduction[edit]

Vegetative reproduction[edit]

It can reproduce vegetatively through the formation of stolons.[2]

Taxonomy[edit]

Publication[edit]

It was first described by Mitsuru Hotta in 1966.[1]

Type specimen[edit]

The type specimen was collected by Mitsuru Hotta in Sungai Beangang, Bintulu, Sarawak, Malaysia, on the 23rd of November 1963.[2]

Etymology[edit]

The specific epithet rotundifolia, from the Latin rotundus and folium, means round-leaved.[3][4][5]

Conservation[edit]

It is classified as data deficient (DD).[2]

Ecology[edit]

Habitat[edit]

It occurs in streams, and pools beneath tropical forest. It can grow in a submerged or emerged state.[2]

References[edit]

  1. ^ a b c "Barclaya rotundifolia M.Hotta". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 12 January 2024.
  2. ^ a b c d e f g 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.
  3. ^ Flora of Zambia: Species information: Tithonia rotundifolia. (n.d.). Retrieved January 12, 2024, from https://www.zambiaflora.com/speciesdata/species.php?species_id=160470
  4. ^ Burnham, R. J. & University of Michigan. (2016, September 4). Smilax rotundifolia | CLIMBERS. Retrieved January 12, 2024, from https://climbers.lsa.umich.edu/smilax-rotundifolia/
  5. ^ Selliera rotundifolia. (n.d.). New Zealand Plant Conservation Network. Retrieved January 12, 2024, from https://www.nzpcn.org.nz/flora/species/selliera-rotundifolia/