07
Apr
2009
Caltha palustris
Flowers | Magnoliopsida

Scientific name - Caltha palustris

Popular names - farferugine, tows, American cowslip, horse BLOB, Marsh MARIGOLD, May, populage, water goggles, cabudula, are ye me, Caltha des Marais, Butterblume, kalushniza bolotnaja, hierba centella.

Distribution and Habitat - grows on wet places, the water courses, marshes, from plain to 2500 m altitude, temperate Europe, Asia and North America.

Description - herbaceous plants, roots rizomatoase, 2-4 mm in diameter. Stem erect, tube or fistiloase, foam, and longitudinally striated. Leaves basal, long petiolate (5-20 cm); language cordata, margine crenata, wavy carnoas, top obtuse, bright green. Caulinare Leaves are similar to those that are based only smaller sessile or subsesile. Flowers hermaphrodite, solitary, axillary sfinished, 2-7, 2,5-4 cm diameter, peduncle 2-5 cm. Sepa absent. Corola with 5.8 petals, yellow-gold. Yellow stamens, arranged in spiral. Blooms in March-June. Fruit follicles. 2n = 32. Pollination made by insects.

Caltha palustris subsp. palustris - recurbate follicles.

Caltha palustris subsp. alkaloids - recurbate follicles in S which are shrinking gradually to the top.

Caltha palustris subsp. laeta.

Requirements - grows well in full sun, but the shade, on moist soils rich in humus, pH 5.0 - 7.0.

Propagation - seeds need 2 years to produce flowering plants should be seeded immediately after maturation. The division is rizomulor every 3 years, early summer, after the entry into sleep.

Natural partners and Garden - Agrostis stolonifera, Agrostis capillaries, Alchemilla glabra, Achillea ptarmica, Briza media, Centaurea nigra, Dactyllis glomerata, Festuca pratensis, Lathyrus pratensis, Lotus uliginosus, Lychnis flos-cuckoo, Pontedera cordata, Ranunculus sour, Ranunculs repens, Rhynchospora latifolia, oficinalis Sanguisorba, Senecio aquaticus.

Cultivars and varieties - 'Alba', white flowers; 'Flore Pleno', double flowers, 'Monstrosa plena'.

Properties and Uses - All parts of plant are poisonous couples.

The root is considered poisonous.

Other species of Caltha --

Caltha biflora - originally from Alaska and southern California and Colorado. Yellow flowers, two on a stem.

Caltha howellii (synonym C. leptosepala subsp. Howellii) - flowers with white petals and stamina galbne. Originally from southern Oregon and California.

Caltha leptosepala - oblong leaves, white flowers, 25 cm height.

Caltha natans - aquatic species, with stems and leaves all Immer water. Grow in the shade in waters 10-15 cm deep, on acid soils.

References

C. Burrell - The Shady Border - Brooklyn Botanic Garden, 2002

C. Greg Speichert, Sue Speichert - Water Garden Plants - Timber Press, 2008

Donald Leopold - Native Plants of the Northeast - Timber Press, 2005

Jo Ann Gardner - Herbs in Bloom - Timber Press, 2005

Narayan P. Manandhar, Sanjay Manandhar - Plants and People of Nepal - Timber Press, 2002

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