Overview

Comprehensive Description

Miscellaneous Details

"Notes: Forest plantations & degraded moist deciduous forests, also in the plains"
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Brief

Flowering class: Dicot Habit: Herb Distribution notes: Exotic
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Description

Prostrate perennial with pubescent stems rooting at the nodes. Leaf lamina 5-20 mm, circular; apex obtuse; base cordate or truncate; petiole grooved above. Flowers solitary, axillary. Sepals 2.5-3 mm, ciliate. Corolla white, ± rotate, deeply lobed. Capsule spherical, 4(-2)-seeded. Seeds glossy.
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Derivation of specific name

nummularius: circular, coin-like (referring to the leaves)
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Distribution

"Kerala: All districts Tamil Nadu: Cuddalore, Kancheepuram, Kanniyakumari, Thiruvallur, Tiruvannamalai, Viluppuram"
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"
Global Distribution

Native of Tropical America; naturalised in Africa and Indo-Malesia

Indian distribution

State - Kerala, District/s: All Districts

"
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"Found along the roadsides, wastelands and grass turfs from plains to 500m. Common. Native of new world tropics, naturalized in India and Nepal."
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Yunnan (Luxi Xian) [naturalized in India and Malaysia; Africa, native in North and South America]
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Worldwide distribution

Tropical Africa and tropical America; recorded for Malawi, Zambia and Mozambique in the FZ region
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New World tropics, tropical Africa, Madagascar, becoming naturalised in India, Nepal and Bengal.
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Physical Description

Morphology

"
Flower

In axillary, solitary or paired; white. Flowering throughout the year.

Fruit

A conical capsule. Fruiting throughout the year.

Field tips

Stem prostrate, rooting at nodes.

Leaf Arrangement

Alternate-distichous

Leaf Type

Simple

Leaf Shape

Orbicular

Leaf Apex

Obtuse

Leaf Base

Subcordate-truncate

Leaf Margin

Entire

"
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Elevation Range

150-910 m
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Description

Herbs perennial. Stems several, rooting at nodes, prostrate, 20-40 cm, slender, ± villous or scabrous. Leaves distichous; petiole 2-4 mm; leaf blade nearly circular, 1.3-1.7 X 1.2-1.4 cm, glabrous or appressed pilose abaxially, base cordate to rounded, apex rounded or emarginate; lateral veins 2 or 3 pairs. Peduncle absent or very short. Pedicel 2.5-3 mm, densely villous. Flowers 1 or 2 per leaf axil. Sepals persistent, oblong-ovate to oblong, 3-4 2-3 mm, outer 2 slightly longer than inner ones, pilose abaxially, margin ciliate. Corolla broadly campanulate or subrotate, ca. 6 mm; limb ca. 7-8 mm in diam., 5-lobed. Stamens inserted at middle of corolla tube; filaments ca. 1.5 mm, glabrous basally; anthers oblong. Ovary globose. Style lobes linear, ca. 3 mm; stigmas minutely capitate. Capsule ovoid, 2-3 mm in diam. Seeds 2-4, brown, ovoid-trigonous, ca. 1 0.5 mm, minutely tuberculate.
2n = 24.
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Diagnostic Description

Diagnostic

"Slender prostrate perennial herbs. Leaves 5-15 x 4-10 mm, broadly ovate to orbicular, base subcordate, apex obtuse to emarginate, glabrous or sparsely hairy below; petiole to 5 mm long. Flowers 1-2, in leaf-axils; pedicels slender 2-5 mm long. Calyx lobes 5, free, 2-3.5 mm long, ovate-lanceolate, acute, ciliate on margins. Corolla white, 6-8 mm across, rotate. Stamens sub-exserted. Capsule 3-4 mm across, globose. Seeds brown to black."
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Diagnostic

"Habit: A small, prostrate herb, upto 20cm."
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Diagnostic

Habit: Herb
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Synonym

Convolvulus nummularius Linnaeus, Sp. Pl. 1: 157. 1753; Evolvulus yunnanensis S. H. Huang.
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Ecology

Habitat

General Habitat

"Forest plantations and degraded moist deciduous forests, also in the plains"
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Roadsides; ca. 1000 m.
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Life History and Behavior

Cyclicity

Flowering and fruiting: Throughout the year
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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Evolvulus nummularius

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 6
Species With Barcodes: 1
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Relevance to Humans and Ecosystems

Benefits

Folklore

Indigenous Information: A good soil binder. Honey bees forage on the flowers.
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Uses

Grown in gardens as ornamental plant.
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Notes

Comments

This is the first record of this species from China. Evolvulus yunnanensis S. H. Huang is here reduced to synonymy for the first time.
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