Baptisia australis
(L.) R.Br.
Fabaceae
Baptisia caerulea Eaton & Wright
Baptisia confusa G.Don
Baptisia exaltata Sweet
Baptisia minor Lehm.
Baptisia texana Buckley
Baptisia versicolor Lodd.
Baptisia vespertina Rydb.
Podalyria australis (L.) Willd.
Podalyria coerulea (Trew) Michx.
Ripasia caerulea (Trew) Raf.
Sophora australis L.
Sophora caerulea Trew
Common Name: Wild Indigo
Cultivated plant in The University of Helsinki Botanical Garden in Kaisaniemi
Photograph by: Anneli Salo
General Information
Baptisia australis is a herbaceous, perennial plant forming a slowly expanding clump with erect stems; it can grow 90 - 120cm tall[
352- Title
- KemperCentreForHomeGardeningPlantFinder
- Publication
-
- Author
-
- Website
- http://www.mobot.org/gardeninghelp/plantfinder/
- Publisher
- Missouri Botanical Garden
- Year
- 0
- ISBN
-
- Description
- Basic cultivation details, plant uses, habitat etc for several thousand species of plants, mainly from the temperate zone.
].
The plant is harvested from the wild for local use as a medicine and a dye. The inflated seed pods are up to 6cm long. They turn charcoal black when ripe and have considerable ornamental interest. Stems with seed pods are valued additions to dried flower arrangements[
272- Title
- Plants and People of Nepal
- Publication
-
- Author
- Manandhar. N. P.
- Publisher
- Timber Press. Oregon.
- Year
- 2002
- ISBN
- 0-88192-527-6
- Description
- Excellent book, covering over 1,500 species of useful plants from Nepal together with information on the geography and peoples of Nepal. Good descriptions of the plants with terse notes on their uses.
].
Known Hazards
Most, if not all, of the various species of Baptisia contain the toxic compounds baptisin and cytisine. The toxicity is fairly low, but eating the plants can cause nausea, vomiting and diarrhoea[
293- Title
- Poisonous Plants of North Carolina
- Publication
-
- Author
-
- Website
- http://www.ces.ncsu.edu/depts/hort/consumer/poison/poison.htm
- Publisher
-
- Year
- 0
- ISBN
-
- Description
- An excellent concise but comprehensive guide to toxic plants that grow in N. Carolina. It lists even those plants that are of very low toxicity, including several well-known food plants such as carrots and potatoes.
].
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.
,
200- Title
- The New RHS Dictionary of Gardening. 1992.
- Publication
-
- Author
- Huxley. A.
- Publisher
- MacMillan Press
- Year
- 1992
- ISBN
- 0-333-47494-5
- Description
- Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
Range
Eastern and Central N. America - ebraska to New Hampshire, south to Texas and Georgia
Habitat
Rich woods and alluvial thickets, often on river banks[
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.
].
Properties
Medicinal Rating | |
Other Uses Rating | |
Habit | Perennial |
Height | 1.00 m |
Pollinators | Insects |
Cultivation Status | Ornamental, Wild |
Cultivation Details
Plants are hardy to about -20°c[
187- Title
- Perennials. Volumes 1 and 2.
- Publication
-
- Author
- Phillips. R. & Rix. M.
- Publisher
- Pan Books
- Year
- 1991
- ISBN
- 0-330-30936-9
- Description
- Photographs of over 3,000 species and cultivars of ornamental plants together with brief cultivation notes, details of habitat etc.
].
Prefers a deep, well-drained neutral to slightly acid soil in full sun[
188- Title
- The RHS Gardener's Encyclopedia of Plants and Flowers
- Publication
-
- Author
- Brickell. C.
- Publisher
- Dorling Kindersley Publishers Ltd.
- Year
- 1990
- ISBN
- 0-86318-386-7
- Description
- Excellent range of photographs, some cultivation details but very little information on plant uses.
,
200- Title
- The New RHS Dictionary of Gardening. 1992.
- Publication
-
- Author
- Huxley. A.
- Publisher
- MacMillan Press
- Year
- 1992
- ISBN
- 0-333-47494-5
- Description
- Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
]. Grows freely in a 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]).
]. Succeeds in a hot dry position. Succeeds in a rich moist soil in sun or light shade[
187- Title
- Perennials. Volumes 1 and 2.
- Publication
-
- Author
- Phillips. R. & Rix. M.
- Publisher
- Pan Books
- Year
- 1991
- ISBN
- 0-330-30936-9
- Description
- Photographs of over 3,000 species and cultivars of ornamental plants together with brief cultivation notes, details of habitat etc.
]. Tolerant of poor soils[
352- Title
- KemperCentreForHomeGardeningPlantFinder
- Publication
-
- Author
-
- Website
- http://www.mobot.org/gardeninghelp/plantfinder/
- Publisher
- Missouri Botanical Garden
- Year
- 0
- ISBN
-
- Description
- Basic cultivation details, plant uses, habitat etc for several thousand species of plants, mainly from the temperate zone.
]. Established plants are drought tolerant[
352- Title
- KemperCentreForHomeGardeningPlantFinder
- Publication
-
- Author
-
- Website
- http://www.mobot.org/gardeninghelp/plantfinder/
- Publisher
- Missouri Botanical Garden
- Year
- 0
- ISBN
-
- Description
- Basic cultivation details, plant uses, habitat etc for several thousand species of plants, mainly from the temperate zone.
].
A very ornamental species, but it can be somewhat shy flowering outside its native range[
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]).
].
Plants can be grown from seed, but they take several years to establish and commence flowering[
352- Title
- KemperCentreForHomeGardeningPlantFinder
- Publication
-
- Author
-
- Website
- http://www.mobot.org/gardeninghelp/plantfinder/
- Publisher
- Missouri Botanical Garden
- Year
- 0
- ISBN
-
- Description
- Basic cultivation details, plant uses, habitat etc for several thousand species of plants, mainly from the temperate zone.
].
Plants have a very deep root system and dislike root disturbance, they should be left alone once they are established[
188- Title
- The RHS Gardener's Encyclopedia of Plants and Flowers
- Publication
-
- Author
- Brickell. C.
- Publisher
- Dorling Kindersley Publishers Ltd.
- Year
- 1990
- ISBN
- 0-86318-386-7
- Description
- Excellent range of photographs, some cultivation details but very little information on plant uses.
,
233- Title
- Perennial Garden Plants
- Publication
-
- Author
- Thomas. G. S.
- Publisher
- J. M. Dent & Sons, London.
- Year
- 1990
- ISBN
- 0 460 86048 8
- Description
- A concise guide to a wide range of perennials. Lots of cultivation guides, very little on plant uses.
,
352- Title
- KemperCentreForHomeGardeningPlantFinder
- Publication
-
- Author
-
- Website
- http://www.mobot.org/gardeninghelp/plantfinder/
- Publisher
- Missouri Botanical Garden
- Year
- 0
- ISBN
-
- Description
- Basic cultivation details, plant uses, habitat etc for several thousand species of plants, mainly from the temperate zone.
].
This species has a symbiotic relationship with certain soil bacteria, these bacteria form nodules on the roots and fix atmospheric nitrogen. Some of this nitrogen is utilized by the growing plant but some can also be used by other plants growing nearby[
200- Title
- The New RHS Dictionary of Gardening. 1992.
- Publication
-
- Author
- Huxley. A.
- Publisher
- MacMillan Press
- Year
- 1992
- ISBN
- 0-333-47494-5
- Description
- Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
].
Edible Uses
None known
Medicinal
Appetizer, digestive[
61- Title
- A Dictionary of Plants Used by Man.
- Publication
-
- Author
- Usher. G.
- Publisher
- Constable
- Year
- 1974
- ISBN
- 0094579202
- Description
- Forget the sexist title, this is one of the best books on the subject. Lists a very extensive range of useful plants from around the world with very brief details of the uses. Not for the casual reader.
].
The root is antiemetic, emetic and purgative[
222- Title
- A Field Guide to Medicinal Plants. Eastern and Central N. America.
- Publication
-
- Author
- Foster. S. & Duke. J. A.
- Publisher
- Houghton Mifflin Co.
- Year
- 1990
- ISBN
- 0-395-46722-5
- Description
- A concise book dealing with almost 500 species. A line drawing of each plant is included plus colour photographs of about 100 species. Very good as a field guide, it only gives brief details about the plants medicinal properties.
,
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.
]. There are confusing reports from two sources that the plant is used as an emetic and also that a cold tea is given to stop vomiting[
222- Title
- A Field Guide to Medicinal Plants. Eastern and Central N. America.
- Publication
-
- Author
- Foster. S. & Duke. J. A.
- Publisher
- Houghton Mifflin Co.
- Year
- 1990
- ISBN
- 0-395-46722-5
- Description
- A concise book dealing with almost 500 species. A line drawing of each plant is included plus colour photographs of about 100 species. Very good as a field guide, it only gives brief details about the plants medicinal properties.
,
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.
]. A poultice of the root is anti-inflammatory and is held in the mouth to treat toothaches[
222- Title
- A Field Guide to Medicinal Plants. Eastern and Central N. America.
- Publication
-
- Author
- Foster. S. & Duke. J. A.
- Publisher
- Houghton Mifflin Co.
- Year
- 1990
- ISBN
- 0-395-46722-5
- Description
- A concise book dealing with almost 500 species. A line drawing of each plant is included plus colour photographs of about 100 species. Very good as a field guide, it only gives brief details about the plants medicinal properties.
].
The plant is under investigation as a potential stimulant of the immune system[
222- Title
- A Field Guide to Medicinal Plants. Eastern and Central N. America.
- Publication
-
- Author
- Foster. S. & Duke. J. A.
- Publisher
- Houghton Mifflin Co.
- Year
- 1990
- ISBN
- 0-395-46722-5
- Description
- A concise book dealing with almost 500 species. A line drawing of each plant is included plus colour photographs of about 100 species. Very good as a field guide, it only gives brief details about the plants medicinal properties.
].
Other Uses
A blue dye is obtained from the plant[
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 has been used as a somewhat inferior substitute for true indigo[
372- Title
- Flowers of India
- Publication
-
- Author
-
- Website
- http://www.flowersofindia.net/
- Publisher
-
- Year
- 0
- ISBN
-
- Description
- A wed site of native Indian plants, plus cultivated and naturalized species. It has good quality photos and terse details on more than 3,000 species and cultivars.
]. No more information is given, but it is likely to be the leaves that are used[
K- Title
- Plants for a Future
- Author
- Ken Fern
- Description
- Notes from observations, tasting etc at Plants For A Future and on field trips.
].
The inflated seed pods are up to 6cm long. They turn charcoal black when ripe and have considerable ornamental interest. The seeds rattle around in these blackened pods and were once popularly used by children as rattles[
272- Title
- Plants and People of Nepal
- Publication
-
- Author
- Manandhar. N. P.
- Publisher
- Timber Press. Oregon.
- Year
- 2002
- ISBN
- 0-88192-527-6
- Description
- Excellent book, covering over 1,500 species of useful plants from Nepal together with information on the geography and peoples of Nepal. Good descriptions of the plants with terse notes on their uses.
].
Propagation
Seed - best sown as soon as it is ripe in a cold frame[
200- Title
- The New RHS Dictionary of Gardening. 1992.
- Publication
-
- Author
- Huxley. A.
- Publisher
- MacMillan Press
- Year
- 1992
- ISBN
- 0-333-47494-5
- Description
- Excellent and very comprehensive, though it contains a number of silly mistakes. Readable yet also very detailed.
]. Stored seed should be pre-soaked for 24 hours in warm water and then sown in a cold frame in late winter or early spring. Prick out the seedlings into individual pots as soon as they are large enough to handle and plant them out into their permanent positions in the summer or following spring.
Division in spring[
188- Title
- The RHS Gardener's Encyclopedia of Plants and Flowers
- Publication
-
- Author
- Brickell. C.
- Publisher
- Dorling Kindersley Publishers Ltd.
- Year
- 1990
- ISBN
- 0-86318-386-7
- Description
- Excellent range of photographs, some cultivation details but very little information on plant uses.
]. Larger divisions can be planted straight into their permanent positions whilst smaller clumps are best potted up and kept in a cold frame until they are growing away well.
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