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Difference between revisions of "Polemonium reptans - Jacob's ladder"
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Revision as of 14:11, 29 March 2018
Polemonium reptans is a perennial herbaceous plant native to eastern North America. Common names include spreading Jacob's ladder, creeping Jacob's ladder, false Jacob's ladder, abscess root, american Greek valerian, blue bells, stairway to heaven, and sweatroot.
Description
Jacob's ladder grows 50 centimetres (20 in) tall, with pinnate leaves up to 20 centimetres (8 in) long with 5–13 leaflets. The leaves and flower stems grow from a vertical crown with abundant fibrous roots.
The flowers are produced in panicles on weak stems from mid to late spring. They are 1.3 cm ( 1⁄2 in) long and have five light blue-violet petals that are fused at the base, enclosed by a tubular calyx with five pointed lobes.[1] The pollen is white. The stigma extends beyond the anthers, making self-pollination difficult, so insects must cross-pollinate for the plants to produce seed.
Uses
- The dried roots have a slightly bitter and acrid taste. The root is rarely used in modern herbalism. It is harvested in the autumn and dried for later use.
- They have used internally in the treatment of coughs, colds, bronchitis, laryngitis, tuberculosis, feverish and inflammatory diseases.[2]
Common name
- English - spreading Jacob's ladder
