Caltha consists of herbaceous perennials that grow from rhizomes. They typically feature simple, often heart-shaped foliage and produce cup-like flowers in yellow or white during early spring.

Caltha

Caltha 'Allenwald'

Caltha andicola

Caltha appendiculata

Caltha dioneaefolia

Caltha introloba

Caltha laeta var. alpestris

Caltha leptosepala is a perennial, deciduous plant that thrives at the edges of water bodies, reaching heights and widths of up to 30 cm. It features glossy, dark green leaves shaped like hearts and produces white flowers with yellow centers, measuring up to 4 cm in diameter, during the spring season.

Caltha leptosepala

Caltha leptosepala 'Grandiflora'

Caltha leptosepala subsp. howellii

Caltha leptosepala var. leptosepala blue-flowered

Caltha natans

Caltha novae-zelandiae

Caltha obtusa

Caltha palustris is a perennial plant that grows from rhizomes and typically reaches up to 50 cm in height. It features broad, green leaves and produces clusters of yellow flowers, each approximately 4 cm across, making it a notable presence in wetland margins.

Caltha palustris

Caltha palustris 'Aeungold'

Caltha palustris 'Auengold'

Caltha palustris 'Auenwald'

Caltha palustris 'Bronze Age'

Caltha palustris 'Cannington Surprise'

Caltha palustris 'Charlie' (v)

Caltha palustris 'Flore Pleno' is a rhizomatous perennial that thrives at water's edge, reaching a height of 30 cm. It features dark green, rounded foliage and produces abundant clusters of densely petaled, vibrant yellow blooms during the spring season.

Caltha palustris 'Flore Pleno' (d)

Caltha palustris 'Girls Eyes'

Caltha palustris 'Golden Monarch'

Caltha palustris 'Goldschale'

Caltha palustris 'Himalayan Snow'

Caltha palustris 'Honeydew'

Caltha palustris 'Marilyn'

Caltha palustris 'Monstrosa Plena' (d)

Caltha palustris 'Monstrosa' (d)

Caltha palustris 'Multiplex' (d)

Caltha palustris 'Nana Plena' (d)

Caltha palustris 'Pallida Plena' (d)

Caltha palustris 'Plurisepala'

Caltha palustris 'Professor Maatsch'

Caltha palustris 'Purpurascens'

Caltha palustris 'Semiplena' (d)

Caltha palustris 'Stagnalis'

Caltha palustris 'Susan'

Caltha palustris 'Tyermannii'

Caltha palustris 'Wheatfen'

Caltha palustris 'Yellow Giant'

Caltha palustris Elata Group

Caltha palustris Newlake hybrid

Caltha palustris Silvestris Group

Caltha palustris Tangerine Form

Caltha palustris Trotter's form

Caltha palustris var. alba is a perennial that typically grows to a height of 25 cm. This species features glossy, kidney-shaped foliage and produces solitary, bowl-like blooms adorned with creamy-white petals and yellow stamens, which emerge in early spring.

Caltha palustris var. alba

Caltha palustris var. barthei

Caltha palustris var. barthei f. atrorubra

Caltha palustris var. enkoso

Caltha palustris var. himalensis

Caltha palustris var. laeta

Caltha palustris var. major

Caltha palustris var. membranacea

Caltha palustris var. palustris is a perennial plant that grows in wetland areas, characterized by its rhizomatous roots. It features glossy, deep green leaves and produces substantial, bright yellow flowers in early spring. This variety blooms earlier and has larger flowers compared to other members of its species.

Caltha palustris var. palustris

Caltha palustris var. palustris 'Plena' is a robust perennial that thrives at the edges of water bodies, reaching heights of up to 60 cm. It features creeping rhizomes and broad, rounded leaves that are a rich green. In spring, it produces fully double flowers that can measure up to 8 cm in diameter, showcasing a deep yellow hue on upright, branched stems.

Caltha palustris var. palustris 'Plena' (d)

Caltha palustris var. purpurea

Caltha palustris var. radicans

Caltha palustris var. radicans 'Erlenbruch'

Caltha palustris var. radicans 'Flore Pleno' (d)

Caltha palustris var. umbrosa

Caltha palustris yellow-leaved

Caltha polypetala 'Moonshine'

Caltha polypetala Hochst. ex Lorent is a robust perennial that thrives in marginal aquatic environments, reaching heights of up to 60 cm and widths of 90 cm. This plant spreads through rooting stems, either over soil or water. It features rounded green foliage, with basal leaves measuring up to 10 cm in diameter, while the leaves along the stem are fewer and smaller. From early spring through summer, it produces bright golden yellow flowers that can grow up to 5 cm across.