Baptisia australis
Details Top
| Internal ID | UUID643fd8efeaf17324897152 |
| Scientific name | Baptisia australis |
| Authority | (L.) R.Br. |
| First published in | W.T.Aiton, Hortus Kew.3: 6 (1811) |
Ethnobotanical Use Top
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Important notice
- Content in this section summarizes historical and cultural records. It is not medical advice.
- Do not use plants for self-treatment. Safety, efficacy, and appropriate use are not established here.
- Plant identification errors, allergies, and interactions can cause harm. Consult qualified professionals for health questions.
- Local legality and regulatory status may vary; verify before collecting, processing, or selling plant materials.
Ethnobotanical Uses
Among several Native American communities of the Southeastern and Plains regions, Baptisia australis (blue wild indigo) was used chiefly as a root preparation. Documented practices include a root decoction used as a wash for wounds and inflammatory swellings, and as an internal febrifuge. In the Southeastern Cherokee, roots were taken as a strong bitter tea to reduce fever and to “draw” infections; root infusions were also used as a throat gargle or a rinse for sore mouths and gum infections (Brockman, 1962; Moerman, 1998). Creek and related Muskogean speakers recorded root decoctions for feverish colds and as a wash for swollen limbs and wounds (Swanton, 1928; Moerman, 1998). On the Great Plains, the Oglala used a similar root wash to treat skin inflammations (Hart, 1992). Across these groups, external applications as poultices of crushed roots were also reported for boils and skin infections (McClintock, 1909; Swanton, 1928). While some later sources speak of “blue indigo” more broadly, early travelers and collectors in the Ozarks and Midwest singled out B. australis in these practices (Moerman, 1998).
One practical recipe: Dried root sliced, 1–2 teaspoons (about 2–4 g). Simmer in 1 cup water 15–20 minutes, cool, and strain. Take 1/4–1/2 cup up to twice daily as a fever wash or gargle. A gentle cold-infusion alternative is 1 teaspoon dried root steeped in 1 cup room‑temperature water for 6–8 hours. Safety note: Baptisia is considered emetic and is mildly toxic; avoid high‑dose internal use, use for short periods only, and do not use during pregnancy or while nursing. This is not a medical recommendation; for illness seek professional care.
Well‑established constituents that plausibly account for the bitter and irritant qualities are the quinolizidine alkaloids cytisine, N‑methylcytisine, and anagyrine; the plant also contains isoflavones such as genistein and formononetin, and rotenone‑type compounds that contribute antimicrobial effects (Moerman, 1998; Barnes et al., 2003; USDA Ethnobotany DB, 2024).
Modern relevance: Today the species is cultivated as an ornamental in North America and, where legal, the dried root is occasionally offered by specialized herbal suppliers for external use. Contemporary scientific work continues to explore its alkaloids and isoflavones for antimicrobial and anti‑inflammatory activity.
General Uses Top
Suggest a correction!Colorants and tanning:
Baptisia australis yields a blue natural dye from its aerial parts (flower buds, leaves and stems). The pigment consists mainly of anthocyanins that produce a blue hue on protein fibers such as wool and silk; Native American peoples and early European settlers used the plant as an indigo substitute for textile dyeing. Historically the dye was extracted by macerating plant material in water or alcohol and applying the resulting solution to fibers, where it imparted a persistent blue coloration after oxidation.
Wood and fiber:
The stems contain bast fibers composed of cellulose and lignin that can be extracted by retting. These fibers have been used to produce coarse twine, cordage and loosely woven fabrics in traditional craft practices. The mechanical strength of the bast fibers makes them suitable for non‑technical applications such as rope and bagging.
Industrial and craft applications:
In contemporary craft and small‑scale industry the plant is employed as a source of natural blue pigment for artisanal textiles and hand‑crafted paper. In scientific research, Baptisia australis serves as a model legume for studies of rhizobial symbiosis, nodulation genetics and nitrogen‑fixation. Standard inoculation protocols using live rhizobia are routinely performed on seedlings of this species, and its chloroplast genome has been deposited in GenBank, facilitating comparative genomics and phylogenetic analyses.
Properties relevant to use:
The blue dye’s color is pH‑dependent, shifting toward green under alkaline conditions and deepening under acidic conditions. Bast fibers exhibit a relatively high cellulose content with a lignin fraction that confers durability while still allowing workable flexibility.
Standards and regulation:
Textiles dyed with plant pigments are evaluated under established textile‑testing standards (e.g., ISO 105‑C06 for color fastness to washing and ISO 105‑B02 for light fastness). No specific regulatory standard exists for Baptisia‑derived dye, but product safety is governed by general textile and cosmetic labeling regulations where applicable.
Sustainability and sourcing:
Baptisia australis is a perennial native to the eastern United States; sustainable harvest of aerial stems and leaves does not require replanting and can be managed by selective cutting to maintain plant vigor. Wild‑collection is generally low‑impact when limited to small amounts per population, and cultivation is feasible in managed plots for consistent dye and fiber supply.
Synonyms Top
| Scientific name | Authority | First published in |
|---|---|---|
| Sophora australis | L. | Syst. Nat. ed. 12, 2: 287 (1767) |
| Sophora caerulea | Trew | |
| Ripasia caerulea | (Trew) Raf. | |
| Podalyria australis | (L.) Willd. | Sp. Pl., ed. 4, 2: 503 (1799) |
Common names Top
Add a new one! Suggest a correction!| Language | Common/alternative name |
|---|---|
| English | blue wild indigo |
| English | blue false indigo |
| Arabic | النيلة البرية |
| Czech | baptisie jižní |
| German | australische färberhülse |
| German | blaue färberhülse |
| German | indigolupine |
| French | lupin indigo |
| Polish | baptysja błękitna |
| Chinese | 澳洲假槐蓝 |
| Chinese | 蓝花赝靛 |
Varieties (abbr. var.) Top
Add a new one! Suggest a correction!| Name | Authority | First published in |
|---|---|---|
| Baptisia australis var. australis | (L.) R.Br. | Unknown |
| Baptisia australis var. minor | (Lehm.) Fernald | Rhodora39: 312 (1937) |
Germination/Propagation Top
Suggest a correction or add new data!| Sow seeds at 20°C, expecting germination within 3 months without further temperature treatment. |
| Requires Soaking: These seeds need to be soaked in warm water until they swell, which can take 24-48 hours. Seeds that float are usually not viable and should be discarded, along with the soaking water. |
| See www.gardenmyths.com/growing-baptisia-australis-from-seeds |
Distribution (via POWO/KEW) Top
Legend for the distribution data:
- Doubtful data
- Extinct
- Introduced
- Native
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Northern America click to expand
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North-central U.S.A.
- Illinois
- Iowa
- Kansas
- Minnesota
- Missouri
- Oklahoma
- Wisconsin
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Northeastern U.S.A.
- Indiana
- New York
- Ohio
- Pennsylvania
- Vermont
- West Virginia
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Northwestern U.S.A.
- Colorado
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South-central U.S.A.
- New Mexico
- Texas
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Southeastern U.S.A.
- Alabama
- Arkansas
- Delaware
- District Of Columbia
- Georgia
- Kentucky
- Maryland
- Tennessee
- Virginia
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Southwestern U.S.A.
- Arizona
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North-central U.S.A.
Links to other databases Top
Suggest others/fix!| Database | ID/link to page |
|---|---|
| World Flora Online | wfo-0000182246 |
| UNII | S75B7X53WN |
| Canadensys | 5697 |
| USDA Plants | BAAU |
| Tropicos | 13048627 |
| KEW | urn:lsid:ipni.org:names:480953-1 |
| The Plant List | ild-28338 |
| Missouri Botanical Garden | 280580 |
| PFAF | Baptisia australis |
| Open Tree Of Life | 476513 |
| NCBI Taxonomy | 149633 |
| Nature Serve | 2.155151 |
| IPNI | 480953-1 |
| iNaturalist | 83902 |
| GBIF | 2976091 |
| Freebase | /m/08jmvw |
| WisFlora | 2716 |
| EPPO | BAPAU |
| EOL | 642834 |
| USDA GRIN | 6487 |
| Wikipedia | Baptisia_australis |
Genomes (via NCBI) Top
No reference genome is available on NCBI yet. We are constantly monitoring for new data.
Scientific Literature Top
Below are displayed the latest 15 articles published in PMC (PubMed Central®) and other sources (DOI number only)!
If you wish to see all the related articles click here.
If you wish to see all the related articles click here.
| Title | Authors | Publication | Released | IDs | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Foraging Wild Edibles: Dietary Diversity in Expanded Food Systems | Bellows AC, Raj S, Pitstick E, Potteiger MR, Diemont SA | Nutrients | 31-Oct-2023 |
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| The most polyphagous insect herbivore? Host plant associations of the Meadow spittlebug, Philaenus spumarius (L.) | Thompson V, Harkin C, Stewart AJ | PLoS One | 04-Oct-2023 |
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| Effects of late-season sheep grazing following early-season steer grazing on population dynamics of sericea lespedeza in the Kansas Flint Hills | Lemmon JE, Fick WH, Alexander JA, Gatson GA, Olson KC | Transl Anim Sci | 02-Apr-2023 |
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| Cobalt: An Essential Micronutrient for Plant Growth? | Hu X, Wei X, Ling J, Chen J | Front Plant Sci | 16-Nov-2021 |
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| Host Specificity and Preliminary Impact of Lepidapion argentatum (Coleoptera, Brentidae), a Biocontrol Candidate for French Broom (Genista monspessulana, Fabaceae) | Kerdellant E, Thomann T, Sheppard A, Sforza RF | Insects | 31-Jul-2021 |
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| Green chemical and biological synthesis of cadaverine: recent development and challenges | Huang Y, Ji X, Ma Z, Łężyk M, Xue Y, Zhao H | RSC Adv | 07-Jul-2021 |
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| Taxonomy and phylogeny of the Erysiphe lonicerae complex (Helotiales, Erysiphaceae) on Lonicera spp. | Bradshaw M, Braun U, Götz M, Takamatsu S | Fungal Syst Evol | 26-Nov-2020 |
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| Are native and non‐native pollinator friendly plants equally valuable for native wild bee communities? | Seitz N, vanEngelsdorp D, Leonhardt SD | Ecol Evol | 13-Oct-2020 |
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| Fungal Planet description sheets: 1042–1111 | Crous PW, Wingfield MJ, Chooi YH, Gilchrist CL, Lacey E, Pitt JI, Roets F, Swart WJ, Cano-Lira JF, Valenzuela-Lopez N, Hubka V, Shivas RG, Stchigel AM, Holdom DG, Jurjević Ž, Kachalkin AV, Lebel T, Lock C, Martín MP, Tan YP, Tomashevskaya MA, Vitelli JS, Baseia IG, Bhatt VK, Brandrud TE, De Souza JT, Dima B, Lacey HJ, Lombard L, Johnston PR, Morte A, Papp V, Rodríguez A, Rodríguez-Andrade E, Semwal KC, Tegart L, Abad ZG, Akulov A, Alvarado P, Alves A, Andrade JP, Arenas F, Asenjo C, Ballarà J, Barrett MD, Berná LM, Berraf-Tebbal A, Bianchinotti MV, Bransgrove K, Burgess TI, Carmo FS, Chávez R, Čmoková A, Dearnaley JD, de A. Santiago AL, Freitas-Neto JF, Denman S, Douglas B, Dovana F, Eichmeier A, Esteve-Raventós F, Farid A, Fedosova AG, Ferisin G, Ferreira RJ, Ferrer A, Figueiredo CN, Figueiredo YF, Reinoso-Fuentealba CG, Garrido-Benavent I, Cañete-Gibas CF, Gil-Durán C, Glushakova AM, Gonçalves MF, González M, Gorczak M, Gorton C, Guard FE, Guarnizo AL, Guarro J, Gutiérrez M, Hamal P, Hien LT, Hocking AD, Houbraken J, Hunter GC, Inácio CA, Jourdan M, Kapitonov VI, Kelly L, Khanh TN, Kisło K, Kiss L, Kiyashko A, Kolařík M, Kruse J, Kubátová A, Kučera V, Kučerová I, Kušan I, Lee HB, Levicán G, Lewis A, Liem NV, Liimatainen K, Lim HJ, Lyons MN, Maciá-Vicente JG, Magaña-Dueñas V, Mahiques R, Malysheva EF, Marbach PA, Marinho P, Matočec N, McTaggart AR, Mešić A, Morin L, Muñoz-Mohedano JM, Navarro-Ródenas A, Nicolli CP, Oliveira RL, Otsing E, Ovrebo CL, Pankratov TA, Paños A, Paz-Conde A, Pérez-Sierra A, Phosri C, Pintos Á, Pošta A, Prencipe S, Rubio E, Saitta A, Sales LS, Sanhueza L, Shuttleworth LA, Smith J, Smith ME, Spadaro D, Spetik M, Sochor M, Sochorová Z, Sousa JO, Suwannasai N, Tedersoo L, Thanh HM, Thao LD, Tkalčec Z, Vaghefi N, Venzhik AS, Verbeken A, Vizzini A, Voyron S, Wainhouse M, Whalley AJ, Wrzosek M, Zapata M, Zeil-Rolfe I, Groenewald JZ | Persoonia | 29-Jun-2020 |
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| Effects of inclusion of purple prairie clover (Dalea purpurea Vent.) with native cool-season grasses on in vitro fermentation and in situ digestibility of mixed forages | Peng K, Gresham GL, McAllister TA, Xu Z, Iwaasa A, Schellenberg M, Chaves AV, Wang Y | J Anim Sci Biotechnol | 14-Feb-2020 |
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| Formononetin: A Review of Its Anticancer Potentials and Mechanisms | Tay KC, Tan LT, Chan CK, Hong SL, Chan KG, Yap WH, Pusparajah P, Lee LH, Goh BH | Front Pharmacol | 26-Jul-2019 |
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| A comprehensive dataset on cultivated and spontaneously growing vascular plants in urban gardens | Frey D, Moretti M | Data Brief | 23-May-2019 |
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| The Phytochemistry of Cherokee Aromatic Medicinal Plants | Setzer WN | Medicines (Basel) | 12-Nov-2018 |
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| Quinolizidine Alkaloids as Nitrogen Source for Lupin Seedlings and Cell Cultures | M. Wink, L. Witte | Walter de Gruyter GmbH | 02-Aug-2018 |
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| Diurnal Fluctuation of Quinolizidine Alkaloid Accumulation in Legume Plants and Photomixotrophic Cell Suspension Cultures | Michael Wink, Thomas Hartmann | Walter de Gruyter GmbH | 02-Aug-2018 |
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Phytochemical Profile Top
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Below are displayed the proven (via scientific papers) natural compounds!
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Collections Top
| In private collections | 0 |
| In public collections | 0 |