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Nuphar pumila (Timm) Dc.

Least water-lily (en), Nénuphar nain (fr), Nénufar nain (fr), Petit nénuphar (fr)

Species

Angiosperms > Nymphaeales > Nymphaeaceae > Nuphar

Characteristics

Rhizomes stout, 1--3 cm in diam. Petiole 20--50 cm, pubescent; floating leaf blade broadly ovate to ovate, seldom elliptic, 6--17 × 6--12 cm, abaxially glabrous to densely pubescent, adaxially glabrous, base cordate and basal lobes remote from each other. Flower 1--4.5(--6) cm in diam. Peduncle 40--50 cm, pubescent. Sepals yellow, oblong to elliptic, 1--2.5 cm. Petals narrowly cuneate to broadly linear, 5--7 mm, apex emarginate. Anthers yellow, 1--6 mm. Stigmatic disc deeply lobed, 4--7.5 mm in diam., rays 8--13(--14). Fruit 1--2 cm in diam. Seeds brown, oblong to ovoid, 3--5 mm. Fl. May--Sep. 2n = 34.
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A herb. It grows in water. The rhizomes or underground stems are stout and 1-3 cm across. The leaf stalk is 20-50 cm long. It is hairy. The leaf blade floats. It is broadly oval and 6-17 cm long by 6-12 cm wide. It can be hairy underneath. The base is heart shaped and the lobes are separated from each other. The flowers are 1-4.5 cm across. The fruit stalk is 40-50 cm long and hairy. The sepals ate yellow. The fruit is 1-2 cm across. The seeds are brown and oblong. They are 3-5 mm across.
Life form perennial
Growth form herb
Growth support aquatic
Foliage retention -
Sexuality hermaphrodite
Pollination entomogamy
Spread hydrochory
Mature width (meter) -
Mature height (meter) -
Root system rhizome
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Lakes, mainly in N. Scotland. Predominantly in cool usually acid infertile ponds and lakes of moors and mountains.
More
It grows in lakes and ponds in both N and S China. It grows in wetlands.
Light 4-9
Soil humidity 10-12
Soil texture 1-6
Soil acidity 1-7
Soil nutriment -
Hardiness (USDA) 4-10

Usage

The young tender rhizomes are used as a potherb.
Uses fodder medicinal potherb
Edible flowers leaves roots seeds
Therapeutic use -
Human toxicity toxic (root), toxic (whole)
Animal toxicity weak toxic (root), weak toxic (whole)

Cultivation

Can be grown by seedlings.
Mode seedlings
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Flower

Nuphar pumila flower picture by Yuhe Chen (cc-by-sa)

Distribution

Nuphar pumila world distribution map, present in Austria, Belgium, Belarus, Switzerland, China, Czech Republic, Germany, Denmark, Spain, Estonia, Finland, France, United Kingdom of Great Britain and Northern Ireland, Croatia, Japan, Kazakhstan, Liberia, Lithuania, Latvia, Montenegro, Mongolia, Norway, Poland, Korea (Democratic People's Republic of), Sweden, and United States of America

Conservation status

Nuphar pumila threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:605460-1
WFO ID wfo-0000381456
COL ID 48475
BDTFX ID 44252
INPN ID 109735
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Nuphar jurana Nymphozanthus juranus Nuphar subpumila Nuphar ozeensis Nuphar shimadai Nymphaea pumila Nuphar bornetii Nymphozanthus centricavatus Nenuphar pumila Nyphar pumilum Nymphozanthus pumilus Nuphar centricavata Nuphar minor Nuphar lutea subsp. pumila Nuphar lutea var. pumila Nymphaea lutea var. pumila Nuphar pumila f. rubro-ovaria Nymphaea lutea var. minima Nymphaea lutea subsp. pumila Nuphar pumila subsp. pumila Nuphar pumila

Lower taxons

Nuphar pumila subsp. sinensis Nuphar pumila subsp. oguraensis
WorldFloraDB 2024