Nuphar pumila subsp. sinensis is a subspecies of Nuphar pumila native to China.Padgett, D. J. (1997). A biosystematic monograph of the genus Nuphar Sm.(Nymphaeaceae). University of New Hampshire.
Description Vegetative characteristics It is a small plant with 1–3 cm wide rhizomes. The green, elliptic to ovate floating leaf is 9.3–15.5(–17) cm long, and 6.9–12.3 cm wide. The abaxial leaf surface is glabrous to densely pubescent. The compressed petiole is 40 cm long,Nuphar pumila subsp. sinensis (Handel-Mazzetti) D. Padgett. (n.d.). Flora of China @ efloras.org. Retrieved December 7, 2024, from http://www.efloras.org/florataxon.aspx?flora_id=2&taxon_id=242000583 and 3–5 mm wide. Generative characteristics The 2–4.5(–6) cm wide flower has a 3.5–5 mm wide peduncle. The 5 yellow, oblong to obovate sepals with an rounded apex are up to 2.5 cm long. The yellow, thin, spatulate to emarginate petals are 7 mm long. The stamens have 3.5–6 mm long anthers. The gynoecium consists of 8–13 carpels. The green stigmatic disk is 5–6 mm wide. The urceolate, green, 2–2.7 cm long, and 1.5–2 cm wide fruit bears brown, ovate, 3 mm long seeds.
Taxonomy It was first published as Nuphar sinensis Hand.-Mazz. by Heinrich Raphael Eduard Handel-Mazzetti in 1926. It was included in the species Nuphar pumila (Timm) DC. as Nuphar pumila subsp. sinensis (Hand.-Mazz.) Padgett published by Donald Jay Padgett in 1999Padgett, Donald J . (1999). Nomenclatural novelties in Nuphar (Nymphaeaceae). SIDA, Contributions to Botany, 18, 823--826. https://www.biodiversitylibrary.org/part/163222 based on morphological similarities.Padgett, D. J. (2003). Phenetic studies in Nuphar Sm.(Nymphaeaceae): variation in sect. Nuphar. Plant Systematics and Evolution, 239, 187-197. It is placed in the section Nuphar sect. Nuphar.
Etymology The subspecific epithet sinensis means "from China".Russell L. Barrett. Camellia sinensis, in P.G. Kodela (ed.), Flora of Australia. Australian Biological Resources Study, Department of Climate Change, Energy, the Environment and Water: Canberra. https://profiles.ala.org.au/opus/foa/profile/Camellia%20sinensis [Date Accessed: 09 December 2024]
Ecology Habitat It occurs in ponds, lakes, and bogsPadgett, D. J. (2007). A Monograph of Nuphar (Nymphaeaceae). Rhodora, 109(937), 1–95. http://www.jstor.org/stable/23314744 in the warm-temperate region of southeastern China.
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