Caltha leptosepala howellii (Ranunculaceae)

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Caltha leptosepala howellii
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The Caltha leptosepala howellii plant species is found in Western N. America - Alaska to California. It is a member of the Ranunculaceae family. Some home gardeners know the variety as C. biflora. DC. C. howellii. Greene.

Cultivation | Propagation | General Uses
Medicinal | Edible Uses

Latin Name:  Caltha leptosepala howellii
Family:  Ranunculaceae
Author:  (Huth.)Smit.

Known Hazards:  The whole plant, but especially the older portions, contains the toxic glucoside protoanemanin - this is destroyed by heat[172]. The sap can irritate sensitive skin[172].

Mature Height:  0.3   Mature Width:  0.3

Habitat:  Wet alpine and sub-alpine places[60]. Bogs and wet ground by streams, 1500 - 3000 metres[187].

Propagation Notes: Seed - best sown as soon as it is ripe in a cold frame in late summer[200]. Stand the pots in 2 - 3cm of water to keep the soil wet. The seed usually germinates in 1 - 3 months at 15°c[138]. When they are large enough to handle, prick the seedlings out into individual pots and grow them on in a tray of water in a cold frame until they are at least 15cm tall. Plant them out into their permanent positions inthe summer. Division in early spring or autumn[200]. Very easy, larger clumps can be replanted direct into their permanent positions, though it is best to pot up smaller clumps and grow them on in a cold frame until they are rooting well. Plant them out in the summer or following spring.

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Cultivation | Propagation | General Uses
Medicinal | Edible Uses

The information above has been supplied solely via the hard work and dedication of the team at 'Plants for a Future'.
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