Mimosa pudica
Enable an agent to recognise Mimosa pudica, assess a specimen's condition and responsive leaf movement, and select appropriate observation, cultivation or containment actions.
Research draft, second pass
A second pass drafted this model: the structure a model of this thing needs, and what is known about it in the world. The line under this one says how the second half was obtained - researched against sources, or recalled without web access, in which case nothing here was read anywhere and every claim is a lead to verify. Unreviewed either way.
recalled by Codex without web access - no source was read
Researched by: Codex
Purpose and description
Enable an agent to recognise Mimosa pudica, assess a specimen's condition and responsive leaf movement, and select appropriate observation, cultivation or containment actions.
Mimosa pudica is a prickly herb or subshrub in the legume family Fabaceae, native to tropical America, whose compound leaves fold and droop in response to mechanical disturbance through changes in turgor pressure in specialized joints called pulvini.
It can be Identify and document a candidate specimen using multiple vegetative and reproductive characters.; Observe leaflet folding, petiole drooping and reopening under a recorded, minimally disruptive stimulus.; Compare leaf posture across light-dark conditions and environmental changes.; Adjust cultivation conditions using recorded growth, moisture and damage observations.; Propagate from documented seed material where appropriate to the location.; Limit seed release and monitor nearby recruitment when containment is required..
Distinguishing features
Check for bipinnate leaves with numerous small paired leaflets; touch responsiveness alone does not establish species identity.
Observe whether gentle mechanical disturbance produces leaflet folding and potentially petiole drooping, while recognising that specimen condition affects the response.
Check flowering specimens for pink to lilac, rounded flower heads together with the foliage characters.
Inspect stems and leaf stalks for prickles as a supporting character, without treating their absence on one inspected part as decisive.
Examine mature fruits for flattened, segmented pods with bristly margins and compare the full character combination against locally occurring Mimosa lookalikes.
Scope
+ Species identification using foliage, stems, flowers and fruits together
+ Leaf and petiole movement in response to disturbance and daily light-dark conditions
+ Growth, reproduction and establishment from seed
+ Root-zone and environmental conditions affecting specimen health
+ Cultivation, handling and context-dependent containment
- Other Mimosa species and plants sharing the common name sensitive plant
- Acacia species sold under the common name mimosa
- General models of plant electrophysiology and legume biology
- Medicinal preparations, clinical efficacy and therapeutic dosing
- Regional invasive-species regulations as independently maintained legal records
Characteristics
- Identification confidence
- unassessed | tentative | supported | expert-confirmed Prevents a touch-responsive plant or ambiguous common name from being accepted as a confirmed species identification.
- Diagnostic character evidence
- observed | absent | unavailable for bipinnate foliage, prickles, flower heads and segmented bristly pods Makes the basis of recognition explicit, including missing reproductive evidence.
- Specimen growth form and size
- height and horizontal spread in cm, with posture recorded Supports assessment of growth, space requirements and sprawling or damaged stems.
- Leaflet and petiole posture
- leaflets open | partly folded | folded; petiole raised | intermediate | drooped Separates two visible movement components and provides a baseline for interpreting change.
- Mechanical stimulus
- none recorded | touch | shaking | other; record location, method and repetition A movement observation is difficult to compare without knowing what disturbed the plant.
- Movement timing
- response latency in s and reopening interval in min, with observation limits Allows comparison of responses without assuming a universal speed or recovery period.
- Observation light context
- light | darkness | transition, with local time and recent lighting history Helps distinguish disturbance-associated folding from daily changes in leaf posture.
- Root-zone moisture
- dry | moist | saturated, with assessment method Provides context for wilting, growth and weak movement responses.
- Reproductive stage
- vegetative | budding | flowering | immature pods | mature pods | seed release; multiple values allowed Determines available identification evidence and opportunities for propagation or seed containment.
- Population and management context
- links to location, cultivated or spontaneous occurrence, nearby seedlings and applicable local guidance Connects specimen-level actions to possible establishment beyond cultivation.
Where this came from
wikidata · CC0 1.0
Drafted structure
Bundle to layer to finding to question, as the second pass will find it: 6 bundles · 11 layers · 18 findings · 31 questions.
Species recognition Establishes whether the observed plant is Mimosa pudica and records the evidence supporting that conclusion.
Sensitive-plant behaviour and common names are insufficient to distinguish this species from neighbouring taxa.
Diagnostic character combination
Combines foliage, armature and reproductive structures in an identification assessment.
Vegetative and reproductive evidence
Record bipinnate foliage, prickles, rounded pink to lilac flower heads and segmented bristly pods as separate observations rather than assuming every specimen displays all characters.
- Which diagnostic structures are present and documented on this specimen? measurement
- Which regional identification key supports the character combination used to assign Mimosa pudica? provenance
Lookalikes and name resolution
Separates the registered species from similarly named or similarly responsive plants.
Species boundary
Tie identification to the scientific species concept and record unresolved alternatives when only common names or leaf movement are available.
- Which other locally occurring Mimosa species could match the available evidence? boundary
- Does the supplied name refer to Mimosa pudica, another sensitive plant, or an Acacia called mimosa? definition
Responsive leaf movement Records stimulus-associated and daily leaf movements with enough context to interpret them.
Leaf movement is a defining observation opportunity for this species, but folding has multiple contexts and cannot alone establish identity or health.
Mechanical response
Connects a documented disturbance to changes in leaflet and petiole posture.
Stimulus-response record
Distinguish leaflet closure from petiole drooping and record the stimulus site, response extent and timing.
- What gentle stimulus was applied, where was it applied, and which leaflets or petioles moved? measurement
- How long elapsed before movement began and before the observed parts reopened? measurement
- When should observation stop to avoid unnecessary repeated disturbance or visible damage? action
Movement context
Places posture and responsiveness within lighting, recent disturbance and specimen condition.
Closure interpretation
Record time, light conditions, water status and previous stimulation before interpreting folded leaves or a weak response.
- Was the plant already folded before contact, and what were the time and lighting conditions? measurement
- What evidence distinguishes daily leaf closure, recent mechanical response and stress-associated posture in this observation? boundary
Growth and reproduction Tracks development from seedling through flowering, pod formation and recruitment.
Reproductive structures support identification, while seed production changes propagation and containment decisions.
Specimen development
Records growth form, new foliage and reproductive transitions.
Developmental stage
Record observed vegetative and reproductive stages without assuming a fixed lifespan or flowering calendar across environments.
- Is the specimen producing new leaves, flower heads, immature pods or mature pods? measurement
- How have stem posture, height and spread changed under the recorded growing conditions? measurement
Seed and recruitment
Connects pod maturity, seed handling and seedling emergence.
Seed lot history
Track seed origin, collection maturity, storage and any pretreatment so emergence results can be interpreted and reproduced.
- Where did the seeds originate, and what collection, storage and pretreatment history is documented? provenance
- What proportion emerged over the recorded interval under the stated substrate, moisture and temperature conditions? measurement
- Should mature pods be retained for propagation or collected before seed release in this setting? action
Growing conditions and health Relates the plant's growth and visible condition to its immediate environment.
A folded or unresponsive Mimosa pudica requires contextual assessment before an agent changes care or judges the plant unhealthy.
Root zone and exposure
Records substrate moisture, drainage, temperature and light exposure.
Environmental condition record
Pair environmental observations with leaf posture and new growth, keeping measured values separate from unverified cultivation targets.
- What are the root-zone moisture, drainage condition, temperature and light exposure when the plant is assessed? measurement
- What evidence supports changing watering, drainage or exposure for this specimen? action
Damage and decline
Separates reversible movement from persistent tissue damage and declining growth.
Persistent symptoms
Document discoloration, tissue loss, stem injury and persistent wilting independently of normal folding movements.
- Which symptoms persist after the observation period, and which tissues are affected? measurement
- What additional evidence is needed to distinguish water stress, mechanical injury and pest or disease damage? boundary
Handling and containment Supports deliberate handling and management of cultivated or spontaneously established plants.
Prickles, repeated touch demonstrations and seed production create practical decisions specific to keeping and observing this plant.
Specimen interaction
Plans touch observations, relocation and routine handling around the actual specimen.
Handling plan
Inspect for prickles and fragile growth, and account for recent stimulation before handling or demonstrating leaf movement.
- Where are prickles, damaged stems or vulnerable new growth on the parts to be handled? measurement
- How can the intended observation or relocation be completed with minimal tissue damage and repeated stimulation? action
Local establishment
Assesses whether a plant is deliberately cultivated, persisting outside cultivation or recruiting nearby.
Escape and management context
Record spontaneous seedlings and mature pods, and link management choices to verified local ecological and regulatory guidance.
- Are seedlings appearing beyond the intended growing area, and what evidence connects them to Mimosa pudica? measurement
- Which current local authority or ecological source establishes the species' status at this location? provenance
- What locally appropriate actions should govern pod collection, plant removal and disposal of seed-bearing material? action
Evidence and external alignment What the world already says about this thing, gathered so the model can be checked against it.
A model that cannot be lined up against existing standards, identifiers and practice cannot be adopted by anyone who already uses them.
Reported evidence
Findings from the breadth pass, kept separate from the structural claims.
Check these first
Recalled without web access and unsourced; every item is a lead to verify.
- Leaf-folding speed varies with stimulus, temperature, plant condition, and which part of the response is measured; the range is approximate.
- Infraspecific taxonomy and exact native-range boundaries should be checked against an authoritative botanical treatment.
- Local invasive-species designations and restrictions require jurisdiction-specific verification.
- Which of these check these first hold for the sense of Mimosa pudica this model covers, and on what evidence? provenance
Identifiers and schemes
Recalled without web access and unsourced; every item is a lead to verify.
- Botanical nomenclature - Mimosa pudica L. - The species name with its author abbreviation; L. denotes Linnaeus.
- Which of these identifiers and schemes hold for the sense of Mimosa pudica this model covers, and on what evidence? provenance
Standards and regulation
Recalled without web access and unsourced; every item is a lead to verify.
- The International Code of Nomenclature for algae, fungi, and plants, maintained through the International Botanical Congress, governs its scientific naming.
- Which of these standards and regulation hold for the sense of Mimosa pudica this model covers, and on what evidence? provenance
Real-world use
Recalled without web access and unsourced; every item is a lead to verify.
- Grown as an ornamental curiosity, commonly called sensitive plant or touch-me-not.
- Used in teaching demonstrations of plant responses to touch.
- Used in research on plant electrophysiology, mechanosensing, and turgor-driven movement.
- Which of these real-world use hold for the sense of Mimosa pudica this model covers, and on what evidence? provenance
Typical measurements
Recalled without web access and unsourced; every item is a lead to verify.
- Time scale of visible leaf folding after mechanical stimulation - Approximately 1-5 - seconds
- Which of these typical measurements hold for the sense of Mimosa pudica this model covers, and on what evidence? provenance
Failure modes and hazards
Recalled without web access and unsourced; every item is a lead to verify.
- Can become a troublesome weed in tropical pastures, plantations, and disturbed ground.
- Stem prickles can scratch skin and complicate handling.
- Sensitive to frost, which limits outdoor persistence in cold climates.
- Which of these failure modes and hazards hold for the sense of Mimosa pudica this model covers, and on what evidence? provenance
Regional variation
Recalled without web access and unsourced; every item is a lead to verify.
- Native to tropical America and widely introduced across tropical regions.
- Can persist as a perennial in warm climates but is often cultivated as an annual or indoor plant in colder regions.
- Its status as an introduced weed or invasive plant varies by jurisdiction and habitat.
- Which of these regional variation hold for the sense of Mimosa pudica this model covers, and on what evidence? provenance
Neighbouring kinds and how to tell them apart
Recalled without web access and unsourced; every item is a lead to verify.
- Mimosa - Mimosa is the genus containing this and numerous other species; Mimosa pudica denotes one species.
- Albizia julibrissin - Also commonly called mimosa, it is a tree in a different genus, whereas Mimosa pudica is an herb or subshrub with conspicuous rapid touch-induced leaf folding.
- Dionaea muscipula - The Venus flytrap closes specialized traps to capture prey; Mimosa pudica folds ordinary foliage and is not carnivorous.
- Which of these neighbouring kinds and how to tell them apart hold for the sense of Mimosa pudica this model covers, and on what evidence? provenance
What the second pass must settle
- Which authoritative taxonomic treatment and regional keys should establish the accepted species boundary and distinguish the closest local Mimosa lookalikes?
- What minimally disruptive observation protocol and response ranges are supported for different ages, temperatures, hydration states and recent stimulation histories?
- Which cultivation ranges and lifecycle expectations are supported for the intended climate and indoor or outdoor setting?
- Which seed pretreatments, storage conditions and germination expectations are supported by species-specific evidence?
- What is the verified native, introduced or invasive status at the intended location, and which containment or disposal guidance applies there?