Details of genus: Caltha L. [513]
genus_ja: リュウキンカ
genus_en: Kingcup, Marsh marigold
# spp.:
pub_year:
accepted: Accepted
Family: Ranunculaceae
family_ja: キンポウゲ
Infra familial classification:
distribution_en:
description_en: Genus of about 10 species of rhizomatous, marshland or marginal aquatic perennials and herbaceous, moisture-loving perennials, widespread in temperate and cold regions of the N. hemisphere. The leaves are generally heart- or kidney-shaped. Those grown as marginal water plants provide a display of cup-shaped, yellow or white flowers in spring. They are borne in terminal or axillary corymbs before the dense clumps of foliage are produced; a second flush of flowers is often produced in late summer. Although calthas are best grown at the water’s edge, several will thrive in a mixed or herbaceous border, if the soil is kept moist. C. introloba is suitable for a peat bed, trough, or alpine house. There is considerable nomenclatural confusion over the limits of the species that are commercially available.
hardiness_en: Fully hardy to frost hardy.
cultivation_en:
propagation_en: Sow seed as soon as ripe on permanently damp compost in a partially shaded cold frame. Divide in late summer or very early spring.
pests_en: Prone to powdery mildew in summer.
description_ja:
comment: Temperate
comment_ja: リュウキンカ，エンコウソウ
type_species:
Phylogenetic definition:
Update Information: Created: 2007-12-06 12:51; Updated: 2020-09-04 03:56
family:
| System | Accepted? | Scientific name | Japanese name | Infra-familial classification | # species | |
| APG4 | Ranunculaceae | キンポウゲ科 | Show | |||
| PB2 | Ranunculaceae | キンポウゲ科 | Show | |||
| PB3 | Ranunculaceae | キンポウゲ科 | Show |