Overview

Comprehensive Description

Miscellaneous Details

"Notes: Deciduous forests, also in the plains."
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Brief

Flowering class: Dicot Habit: Shrub
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Derivation of specific name

semperflorens: ever-flowering, with a long flowering season
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Source: Flora of Zimbabwe

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Distribution

National Distribution

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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"
Global Distribution

Pantropical

Indian distribution

State - Kerala, District/s: All Districts

"
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Found along the roadsides and river banks from plains to 600m. Common. Pantropical.
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Maharashtra: Kolhapur Karnataka: Chikmagalur Kerala: All districts
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Physical Description

Morphology

"
Flower

In terminal and/or lateral racemes; blue. Flowering throughout the year.

Fruit

An oblong-terete pod, sparsely pubescent, exceeding the calyx; seeds upto 15. Fruiting throughout the year.

Field tips

Stem 4-angled, appressed-pubescent.

Leaf Arrangement

Alternate

Leaf Type

Simple

Leaf Shape

Ovate or rhomboid-deltoid

Leaf Apex

Obtuse-acute

Leaf Base

Attenuate

Leaf Margin

Entire

"
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Physical Description

Annual, Herbs, Taproot present, Nodules present, Stems erect or ascending, Stems or branches arching, spreading or decumbent, Stems less than 1 m tall, Stems solid, Stems or young twigs sparsely to densely hairy, Leaves alternate, Leaves petiolate, Stipules conspicuous, Stipules green, triangulate to lanceolate or foliaceous, Stipules persistent, Stipules cordate, lobed, or sagittate, Leaves simple, or appearing so, Leaf or leaflet margins entire, Leaflets 1, Leaves glabrous or nearly so, Flowers in axillary clusters or few-floweredracemes, 2-6 flowers, Inflorescences racemes, Inflorescence terminal, Inflorescence leaf-opposed, Bracts very small, absent or caducous, Flowers zygomorphic, Calyx 5-lobed, Calyx hairy, Petals separate, Corolla papilionaceous, Petals white, Petals blue, lavander to purple, or violet, Petals bicolored or with red, purple or yellow streaks or spots, Banner petal suborbicular, broadly rounded, Wing petals narrow, oblanceolate to oblong, Keel abruptly curved, or spirally coiled, Stamens 9-10, Stamens or anthers dimorphic, alternating large and small, Stamens monadelphous, united below, Filaments glabrous, Style terete, Style hairy, Fruit a legume, Fruit stipitate, Fruit unilocular, Fruit freely dehiscent, Fruit elongate, straight, Fruit oblong or ellipsoidal, Fruit exserted from calyx, Fruit inflated or turgid, Fruit hairy, Fruit 11-many seeded, Seeds cordiform, mit-shaped, notched at one end, Seed surface smooth, Seeds olive, brown, or black.
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Dr. David Bogler

Source: USDA NRCS PLANTS Database

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Diagnostic Description

Diagnostic

"Erect, branched herbs, up to 75 m tall; stems striate, 4-angled, appressed-pubescent. Leaves 2.5-7 x 2.5-4.5 cm, ovate-rhomboid or ovate-deltoid, base acute, apex obtuse or acute, appressed-pubescent on both surfaces; petiole 2-3 mm long; stipules foliaceous, 5-10 mm long, ovate to falcate. Flowers up to 1.5 cm long, terminal or leaf-opposed racemes; pedicels 3-5 mm long; bracts lanceolate. Calyx 0.7-1 cm long, pubescent, with deltoid, acute lobes longer than the tube. Corolla blue or white; standard c. 1.2 cm long, broadly ovate; wings obovate; keels oblong. Staminal sheath to 6 mm long; filaments c. 5 mm long. Ovary stipitate, appressed pubescent; style geniculate. Pods 2.5-3.5 x 0.8-1 cm, oblong-cylindrical, inflated, 10-16-seeded. Seeds 3-4.5 x 3-4 mm, obliquely cordiform, yellowish to brownish."
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Diagnostic

"Habit: A much branched, annual shrub, upto 1m."
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Diagnostic

Habit: Subshrub
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Ecology

Habitat

General Habitat

"Deciduous forests, also in the plains"
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Life History and Behavior

Cyclicity

Flowering and fruiting: August-November
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Crotalaria verrucosa

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 2
Species With Barcodes: 1
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Conservation

Conservation Status

National NatureServe Conservation Status

United States

Rounded National Status Rank: NNR - Unranked

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NatureServe Conservation Status

Rounded Global Status Rank: G5 - Secure

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Relevance to Humans and Ecosystems

Benefits

Folklore

Indigenous Information: The roots and seeds are said to be very poisonous.
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Uses

Leaf paste is applied to cure headaches.
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Wikipedia

Crotalaria verrucosa

Crotalaria verrucosa (blue rattlepod) is a species of flowering plant in the legume family, Fabaceae. This shrub belongs to the sub family Faboideae.[1] The herb found in Bangladesh, China, Cambodia, India, Indonesia, Laos, Malaysia, Myanmar, Nepal, Philippines, Sri Lanka, Thailand, Vietnam; Australasia and Africa & Americas regions.

Crotalaria verrucosa is a perennial shrub that grows to about 50–100 cm in height.[2]

References[edit]

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Names and Taxonomy

Taxonomy

Comments: Isely (1990) rejects Crotalaria verrocosa in Florida as one specimen "naturalized" near Homestead, Florida.

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