yellow marsh marigold - KPU Plant DB

Scientific Name:

Caltha palustris

Pronunciation:

KAL-thuh puh-LUSS-triss

Common Name:

yellow marsh marigold

Family Name:

Ranunculaceae

Plant Type:

Aquatic plant, Herbaceous perennial

Key ID Features:

Semi-aquatic; stems hollow, membranous sheaths at nodes; leaves alternate, most blades expand to 10-15cm long x 8-14cm wide, toothed; flowers are buttercup-like, 3-4cm wide.

Habit:

Dense, Spreading

Form:

Mounded

Texture:

Medium - coarse

Mature Height:

0.2 - 0.4m

Mature Spread:

0.3 - 0.6m

Growth Rate:

Moderate

Origin:

Europe, North America (Widespread in northern temperate regions)

Hardiness Rating:

Zone 3: (-40 to -34 °C)

Exposure:

Full sun

Soil/Growing Medium:

Bog

Water Use:

Aquatic

Landscape Uses:

Aquatic - ponds, Herb, Wetland - bogs

Additional Info:

Google. Cultivars shown or on campus may include C. 'Flore Pleno' and C. 'Plena'.

Leaf Morphology:

Glossary

Form:

Simple

Arrangement:

Alternate

Texture/Venation:

Soft flexible

Surfaces:

Glabrous

Colour in Summer:

Dark-green

Shapes:

Orbicular, Ovate, Reniform

Apices:

Rounded

Bases:

Cordate, Sagittate

Margins:

Dentate

Inflorescence Type:

Corymb

Flower Morphology:

Flowers perfect

Number Of Petals:

5

Corolla Shape:

Rotate/stellate

Ovary Position:

Superior

Colour (petals):

Yellow

Flower Time at Peak:

Apr, May

Fruit Type:

Aggregate fruit, Follicle

Fruit Colour:

Yellow, Brown

Fruiting Time:

Jun

Bark Morphology:

Smooth

Bark or Stem Colour:

Green, Red

Organ Modifications:

Rhizomes

Propagation:

Seed, Division - below ground parts

Pest Susceptibility:

Mildew, Rust (Pest resistant, Disease resistant, Deer resistant, Drought tolerant)

Course(s):

CLT Training

Location(s):

(CGW) Community Garden West
(NRY) NuRserY
(WLG) WoodLand Garden

Location Map