Jepson eFlora: Taxon page
Vascular Plants of California
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Nuphar
COW-LILY, YELLOW POND-LILY

Higher Taxonomy
Family: NymphaeaceaeView DescriptionDichotomous Key

Common Name: WATERLILY FAMILY
Habit: Perennial herb, aquatic, rhizomed, stoloned or not; herbage with air chambers. Leaf: alternate, from rhizome; blades floating, submersed, or +- emergent, << petiole, +- deeply notched at base into 2 lobes [peltate]. Inflorescence: 1-flowered, axillary; peduncle long. Flower: bisexual, generally on or above water; sepals 4--14, free, petal-like or not; petals many [(0)], stamen-like or not; stamens many, attached to receptacle or ovary side, filaments generally wide; ovary compound, superior to inferior, chambers 3--many, many-ovuled, stigmas in radiating lines on stigmatic disk. Fruit: berry-like, +- dehiscent or not, spongy.
Genera In Family: 5 genera, +- 70 species: +- worldwide.
eFlora Treatment Author: John H. Wiersema
Scientific Editor: Thomas J. Rosatti.
Nuphar
Habit: Rhizomes prostrate, branched, not stoloned. Leaf: blade generally ovate to round. Flower: sepals persistent; petals 10--20, stamen-like, thick, oblong to thin, spoon-shaped; stamens many, generally yellow, attached to receptacle, erect to incurved at dehiscence; ovary > stamens. Seed: ovoid, not arilled.
Species In Genus: +- 8 species: northern temperate. Etymology: (Arabic name)
Jepson eFlora Author: John H. Wiersema
Reference: Padgett 2007 Rhodora 109:1--95
Unabridged Reference: Padgett et al. 1999 Amer J Bot 86:1316--1324
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)

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Next taxon: Nuphar polysepala

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Citation for this treatment: John H. Wiersema 2012, Nuphar, in Jepson Flora Project (eds.) Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=8796, accessed on April 25, 2024.

Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on April 25, 2024.