Evolvulus nummularius (L.) L.

Agracejo rastrero (en)

Species

Angiosperms > Solanales > Convolvulaceae > Evolvulus

Characteristics

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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A perennial herb. Stems few to several, prostrate and rooting at the nodes, slender, 10-40 cm long, with patent hairs, glabrescent. Leaves distichous, mostly broadly ovate, elliptic or orbicular, 4-15(-25) by 3-15(-18) mm, rounded, truncate or subcordate at the base, rounded or emarginate at the apex, glabrous on both sides or appressed-pilose beneath; petiole 1—5(-12) mm long. Flowers 1 or 2 in the leaf-axils; peduncle none or very short; pedicels 2-6 mm long. Bracts linear or lanceolate, ½-1½ mm long. Sepals ovate-oblong to oblong, obtuse or acutish, 2½-4 mm long, sparsely pilose or glabrous, the margins ciliate. Corolla rotate to broadly funnel-shaped, white, the distinctly lobed limb c. 8 mm diam. Ovary glabrous. Capsule globular, glabrous, 4-valved. Seeds 4 or less, black or brown.
Perennial herb. Stems prostrate, pubescent, rooting at nodes. Leaves orbicular to orbicular-obovate, 5-20 mm long and broad, apex obtuse or retuse, base truncate to subcordate, glabrous or sparsely pubescent beneath; petiole 1-8 mm long, pubescent, canaliculate above. Flowers solitary or rarely paired, axillary; peduncles up to 5 mm long, recurving. Sepals ovate to elliptic-ovate, 2.5-3.0 x 1.5 mm, subacute to acute, pubescent or glabrescent with ciliate margins. Corolla white, subrotate, 4.5 mm long, 6 mm wide, deeply lobed; lobes obovate, 1.5-2.5 mm long, 1.0-1.5 mm broad. Capsule globose, 3-4 mm in diameter, 1-locular, bivalved, (2-)4-seeded. Seeds subglobose, 1.5-2.0 mm long, brown to black, shiny.
Perennial herb; stems prostrate, rooting at the nodes, pubescent.. Leaf-blade orbicular or orbicular-obovate, 5–18 mm. long and broad, obtuse or retuse at the apex, subcordate at the base, glabrous or sparingly pubescent beneath; petiole 1–6 mm. long, pubescent, channelled above.. Flowers solitary or rarely paired, axillary; peduncles ± 2 mm. long.. Sepals elliptic-ovate, 2.5–3 mm. long, 1.5 mm. wide, ± acute, pubescent or glabrescent.. Corolla white, subrotate, 4.5 mm. long, 6 mm. in diameter, deeply lobed; the lobes obovate, 1.5–2 mm. long, 1–1.5 mm. broad.. Capsule globose, 3–4 mm. in diameter, 1-locular, 2-valved, 4-seeded.. Seeds brown to black, subglobose, 1.5–2 mm. long.. Fig. 4.
Perennial herbs; stems prostrate, herbaceous, rooting at nodes, pilose with short trichomes to glabrate. Leaves broadly ovate to orbicular, 4-15 mm long, short-petiolate, rounded to emarginate apically, rounded to subcordate basally, glabrous or somewhat pubescent beneath. Flowers solitary or paired in leaf axils, pedicels 2-6 mm long; sepals elliptic-ovate to ovate-oblong, 2.5-4 mm long, pubescent, glabrescent, ciliate; corollas white, 5-7 mm broad; ovary glabrous. Fruits capsular, globose, 3-4 mm in diameter, reflexed; seeds brown to black, subglobose, slightly muricate.
A herb. It keeps growing from year to year. There are several stems and they form roots at the nodes. They lie along the ground. They are 20-40 cm long. The leaves are almost round and 2 cm long by 1 cm wide. The fruit is a flattened round capsule with 2 sections and 4 valves and 1-3 seeds.
Leaf-lamina circular or circular-obovate, 5–20 mm. long and broad, apex very obtuse, base truncate to subcordate, glabrous or sparingly pubescent beneath; petiole 1–8 mm. long, pubescent, canaliculate above.
Sepals ovate to ellipti-covate, 2·5–3 × 1·5 mm., more or less acute, pubescent or glabrescent with ciliate margins.
Corolla white, subrotate, about twice as long as the calyx, deeply lobed; lobes obovate, 1·5–2·5 × 1–1·5 mm.
Flowers solitary or rarely paired, axillary; peduncles up to 5 mm. long, recurving.
Capsule globose 3–4 mm. in diam., unilocular, bivalved, 4 (2)-seeded.
Seeds brown to black, subglobose 1·5–2 mm. long, shining.
Perennial herb with the same habit as Dichondra repens.
Stems prostrate, rooting at the nodes, pubescent.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.2 - 0.4
Root system creeping-root
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

It is a subtropical plant. It grows along roadsides in Yunnan at about 1,000 m above sea level. In Argentina it also grow from sea level to 1,000 m above sea level.
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The only specimens known from the Malay Peninsula were collected in open, stony places along a cart-track in a cut down rubber-plantation.
Light 7-9
Soil humidity 1-4
Soil texture 4-6
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses medicinal
Edible leaves roots
Therapeutic use Fever (leaf), Skin diseases, infectious (leaf), Fever (root), Anthelmintics (unspecified), Asthma (unspecified), Conscious sedation (unspecified), Dysentery (unspecified), Eczema (unspecified), Fever (unspecified), Fractures, bone (unspecified), Hysteria (unspecified), Scorpion stings (unspecified), Tonsillitis (unspecified), Toothache (unspecified), Wounds and injuries (unspecified), Anti-bacterial agents (whole plant), Antioxidants (whole plant), Hysteria (whole plant), Wound healing (whole plant)
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Evolvulus nummularius leaf picture by Valverde José M. (cc-by-sa)
Evolvulus nummularius leaf picture by Gambarte Karla (cc-by-sa)
Evolvulus nummularius leaf picture by r. Unter (cc-by-sa)

Flower

Evolvulus nummularius flower picture by Herwig Mees (cc-by-sa)
Evolvulus nummularius flower picture by Ajay Sahu (cc-by-sa)
Evolvulus nummularius flower picture by Jagadeeswaran Kannan (cc-by-sa)

Distribution

Evolvulus nummularius world distribution map, present in Angola, Argentina, American Samoa, Antigua and Barbuda, Australia, Benin, Burkina Faso, Bangladesh, Bahamas, Belize, Bolivia (Plurinational State of), Brazil, Barbados, Central African Republic, China, Côte d'Ivoire, Cameroon, Colombia, Costa Rica, Cuba, Cayman Islands, Dominica, Ecuador, Egypt, Ethiopia, Ghana, Guadeloupe, Grenada, Guatemala, French Guiana, Guyana, Honduras, India, Iceland, Jamaica, Kenya, Lao People's Democratic Republic, Saint Lucia, Sri Lanka, Madagascar, Mexico, Myanmar, Mozambique, Martinique, Malawi, Malaysia, Nicaragua, Nepal, Panama, Peru, Puerto Rico, Paraguay, El Salvador, South Sudan, Suriname, eSwatini, Turks and Caicos Islands, Togo, Thailand, Trinidad and Tobago, Tanzania, United Republic of, Uganda, United States of America, Saint Vincent and the Grenadines, Venezuela (Bolivarian Republic of), Viet Nam, South Africa, and Zambia

Identifiers

LSID urn:lsid:ipni.org:names:102674-2
WFO ID wfo-0001297240
COL ID 3DJ44
BDTFX ID -
INPN ID 629722
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Evolvulus nummularius f. pedunculatus Evolvulus veronicifolius Evolvulus capreolatus Evolvulus domingensis Evolvulus reniformis Evolvulus repens Evolvulus veronicaeifolius Evolvulus dichondroides Evolvulus nummularius Convolvulus nummularius Volvulopsis nummularium Evolvulus yunnanensis Evolvulus nummularius var. grandifolia