Ranunculus pennsylvanicus
L.f.
Ranunculaceae
The Temperate Database is in the process of being updated, with new records being added and old ones being checked and brought up to date where necessary. This record has not yet been checked and updated.
Common Name: Pennsylvania Buttercup
General Information
Ranunculus pennsylvanicus is a Annual/Perennial up to 1.00 metres tall.
It is harvested from the wild for local use as a food, medicine and source of materials.
Known Hazards
Although no specific record of toxicity has been found for this plant, many if not all members of this genus are poisonous. These toxins can be destroyed by heat or by drying[
4- Title
- A Modern Herbal.
- Publication
-
- Author
- Grieve.
- Publisher
- Penguin
- Year
- 1984
- ISBN
- 0-14-046-440-9
- Description
- Not so modern (1930's?) but lots of information, mainly temperate plants.
,
10- Title
- Poisonous Plants and Animals.
- Publication
-
- Author
- Altmann. H.
- Publisher
- Chatto and Windus
- Year
- 1980
- ISBN
- 0-7011-2526-8
- Description
- A small book, reasonable but not very detailed.
,
13- Title
- Hamlyn Encyclopaedia of Plants.
- Publication
-
- Author
- Triska. Dr.
- Publisher
- Hamlyn
- Year
- 1975
- ISBN
- 0-600-33545-3
- Description
- Very interesting reading, giving some details of plant uses and quite a lot of folk-lore.
,
19- Title
- Poisonous Plants.
- Publication
-
- Author
- Stary. F.
- Publisher
- Hamlyn
- Year
- 1983
- ISBN
- 0-600-35666-3
- Description
- Not very comprehensive, but easy reading.
,
62- Title
- A Field Guide to N. American Edible Wild Plants.
- Publication
-
- Author
- Elias. T. and Dykeman. P.
- Publisher
- Van Nostrand Reinhold
- Year
- 1982
- ISBN
- 0442222009
- Description
- Very readable.
,
65- Title
- A Colour Atlas of Poisonous Plants.
- Publication
-
- Author
- Frohne. D. and Pfänder. J.
- Publisher
- Wolfe
- Year
- 1984
- ISBN
- 0723408394
- Description
- Brilliant. Goes into technical details but in a very readable way. The best work on the subject that I've come across so far.
]. Many if not all plants in this genus also have a strongly acrid juice that can cause blistering to the skin[
65- Title
- A Colour Atlas of Poisonous Plants.
- Publication
-
- Author
- Frohne. D. and Pfänder. J.
- Publisher
- Wolfe
- Year
- 1984
- ISBN
- 0723408394
- Description
- Brilliant. Goes into technical details but in a very readable way. The best work on the subject that I've come across so far.
,
183- Title
- Cornucopia - A Source Book of Edible Plants.
- Publication
-
- Author
- Facciola. S.
- Publisher
- Kampong Publications
- Year
- 1990
- ISBN
- 0-9628087-0-9
- Description
- Excellent. Contains a very wide range of conventional and unconventional food plants (including tropical) and where they can be obtained (mainly N. American nurseries but also research institutes and a lot of other nurseries from around the world.
].
Botanical References
43- Title
- Gray's Manual of Botany.Eighth Edition
- Publication
-
- Author
- Fernald. M. L.
- Publisher
- American Book Co.; New York
- Year
- 1950
- ISBN
- 0442222505
- Description
- A bit dated but a good and concise flora of the eastern part of N. America.
,
235- Title
- An Illustrated Flora of the Northern United States and Canada
- Publication
-
- Author
- Britton. N. L. Brown. A.
- Publisher
- Dover Publications. New York.
- Year
- 1970
- ISBN
- 0-486-22642-5
- Description
- Reprint of a 1913 Flora, but still a very useful book.
,
270- Title
- Flora of N. America
- Publication
-
- Author
-
- Website
- http://flora.huh.harvard.edu/fna/
- Publisher
-
- Year
- 0
- ISBN
-
- Description
- An on-line version of the flora with an excellent description of the plant including a brief mention of plant uses.
Range
Northern N. America - Labrador to Alaska and south to Colorado.
Habitat
Wet meadows, alluvium, ditches etc[
43- Title
- Gray's Manual of Botany.Eighth Edition
- Publication
-
- Author
- Fernald. M. L.
- Publisher
- American Book Co.; New York
- Year
- 1950
- ISBN
- 0442222505
- Description
- A bit dated but a good and concise flora of the eastern part of N. America.
]. Stream banks, bogs, moist clearings, depressions in woodlands from sea level to 1700 metres[
270- Title
- Flora of N. America
- Publication
-
- Author
-
- Website
- http://flora.huh.harvard.edu/fna/
- Publisher
-
- Year
- 0
- ISBN
-
- Description
- An on-line version of the flora with an excellent description of the plant including a brief mention of plant uses.
].
Properties
| Edibility Rating |  |
| Medicinal Rating |  |
| Habit | Annual/Perennial |
| Height | 1.00 m |
| Pollinators | Insects |
| Cultivation Status | Wild |
Cultivation Details
We have very little information on this species and do not know if it will be hardy in Britain, though judging by its native range it should succeed outdoors in most areas of the country. The following notes are based on the general needs of the genus.
Prefers a moist loamy soil[
1- Title
- RHS Dictionary of Plants plus Supplement. 1956
- Publication
-
- Author
- F. Chittendon.
- Publisher
- Oxford University Press
- Year
- 1951
- ISBN
- -
- Description
- Comprehensive listing of species and how to grow them. Somewhat outdated, it has been replaced in 1992 by a new dictionary (see [200]).
].
A greedy plant, inhibiting the growth of nearby plants, especially legumes[
54- Title
- How to Enjoy your Weeds.
- Publication
-
- Author
- Hatfield. A. W.
- Publisher
- Frederick Muller Ltd
- Year
- 1977
- ISBN
- 0-584-10141-4
- Description
- Interesting reading.
].
Edible Uses
Leaves - cooked[
179- Title
- Famine Foods listed in the Chiu-Huang Pen-ts'ao.
- Publication
-
- Author
- Reid. B. E.
- Publisher
- Southern Materials Centre; Taipei
- Year
- 1977
- ISBN
- -
- Description
- A translation of an ancient Chinese book on edible wild foods. Fascinating.
]. The leaves contain toxins but in too low a concentration to be harmful[
179- Title
- Famine Foods listed in the Chiu-Huang Pen-ts'ao.
- Publication
-
- Author
- Reid. B. E.
- Publisher
- Southern Materials Centre; Taipei
- Year
- 1977
- ISBN
- -
- Description
- A translation of an ancient Chinese book on edible wild foods. Fascinating.
].
Medicinal
The plant is rubefacient[
240- Title
- Glossary of Indian Medicinal Plants (Including the Supplement).
- Publication
-
- Author
- Chopra. R. N., Nayar. S. L. and Chopra. I. C.
- Publisher
- Council of Scientific and Industrial Research, New Delhi.
- Year
- 1986
- ISBN
- -
- Description
- Very terse details of medicinal uses of plants with a wide range of references and details of research into the plants chemistry. Not for the casual reader.
]. It is used to raise blisters[
240- Title
- Glossary of Indian Medicinal Plants (Including the Supplement).
- Publication
-
- Author
- Chopra. R. N., Nayar. S. L. and Chopra. I. C.
- Publisher
- Council of Scientific and Industrial Research, New Delhi.
- Year
- 1986
- ISBN
- -
- Description
- Very terse details of medicinal uses of plants with a wide range of references and details of research into the plants chemistry. Not for the casual reader.
].
Other Uses
The entire plant can be boiled to yield a red dye[
257- Title
- Native American Ethnobotany
- Publication
-
- Author
- Moerman. D.
- Publisher
- Timber Press. Oregon.
- Year
- 1998
- ISBN
- 0-88192-453-9
- Description
- Very comprehensive but terse guide to the native uses of plants. Excellent bibliography, fully referenced to each plant, giving a pathway to further information. Not for the casual reader.
]. It is mixed with the bark of bur oak (Quercus macrocarpa) which acts to fix the colour[
257- Title
- Native American Ethnobotany
- Publication
-
- Author
- Moerman. D.
- Publisher
- Timber Press. Oregon.
- Year
- 1998
- ISBN
- 0-88192-453-9
- Description
- Very comprehensive but terse guide to the native uses of plants. Excellent bibliography, fully referenced to each plant, giving a pathway to further information. Not for the casual reader.
].
The entire plant can be boiled with rushes (Juncus spp) or flags (Iris spp and Acorus calamus) to colour them yellow for use in making mats, baskets etc[
257- Title
- Native American Ethnobotany
- Publication
-
- Author
- Moerman. D.
- Publisher
- Timber Press. Oregon.
- Year
- 1998
- ISBN
- 0-88192-453-9
- Description
- Very comprehensive but terse guide to the native uses of plants. Excellent bibliography, fully referenced to each plant, giving a pathway to further information. Not for the casual reader.
].
Propagation
Seed - sow spring in a cold frame. When they are large enough to handle, prick the seedlings out into individual pots and plant them out in the summer.
If you have any useful information about this plant, please leave a comment. Comments have to be approved before they are shown here.
Useful Temperate Plants Database 2016 by
Ken Fern,
web interface by
Ajna Fern
with help from
Richard Morris.
