Aeschynomene brasiliana Dc.

Brazilian jointtvetch (en)

Species

Angiosperms > Fabales > Fabaceae > Aeschynomene

Characteristics

Prostrate or decumbent herb, stems to ca. 1 m long, glandular-hispidulous, crisp-pubescent. Leaves mostly 8-12 foliolate, less than 3 cm long; leaflets usually obovate, obtuse to rounded at each end, ciliate, mucronulate, sparsely pubescent, ca. 7 mm long, ca. 4 mm wide; stipules ovate, acuminate, 3-4 mm long, ca. 1-mm wide, glandular-hispidulous, ciliolate. Inflorescence racemose, axillary, 3-8 flowered; peduncles and pedicels hispid; bracts and bracteoles ovate, 1.0-2.5 mm long, 1.0-1.5 mm wide, hispidulous, ciliate, Flowers yellow, 5-8 mm long; calyx 1.5-3.0 mm long, ciliate, hispidulous; standard ca. 6 mm long, the claw ca. 1 mm long, the blade suborbiculate, ca. 5 mm in diameter, pubescent on the outer face, retuse, wings and keel equal to the standard, ca. 2 mm wide; stamens ca. 6 mm long. Fruit 2-3 articulate, the stipe 3-4 mm long, hispidulous with trichomes ca. 0.5 mm long, the articles 2-3 mm in diameter, moderately crisp-pubescent; seeds ca. 2 mm long, ca. 1.5 mm wide, dark brown. Chromosomes: n = 10.
Life form perennial
Growth form herb
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
Root system -
Rooting depth (meter) 0.5
Root diameter (meter) -
Flower color
Blooming months -
Fruit color
Fruiting months -
Nitrogen fixer rhizobia
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses environmental use fodder medicinal
Edible -
Therapeutic use Insecticides (flower), Parasiticide (unspecified), Venereal (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) 20 - 29
Size -
Vigor -
Productivity -

Images

Habit

Aeschynomene brasiliana habit picture by Nelson Zamora Villalobos (cc-by-nc)

Flower

Aeschynomene brasiliana flower picture by Nelson Zamora Villalobos (cc-by-nc)

Fruit

Aeschynomene brasiliana fruit picture by Nelson Zamora Villalobos (cc-by-nc)

Distribution

Aeschynomene brasiliana world distribution map, present in Argentina, American Samoa, Bonaire, Sint Eustatius and Saba, Belize, Bolivia (Plurinational State of), Brazil, Colombia, Costa Rica, Ecuador, Guatemala, French Guiana, Honduras, Mexico, Nicaragua, Panama, Peru, El Salvador, Suriname, and Venezuela (Bolivarian Republic of)

Conservation status

Aeschynomene brasiliana threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:472670-1
WFO ID wfo-0000173808
COL ID 65C52
BDTFX ID -
INPN ID 733684
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Aeschynomene biflora Hedysarum brasilianum Hedysarum hirtum Cassia houstoniana Aeschynomene paucijuga Cassia biflora Cassia biflora Aeschynomene brasiliana Aeschynomene guaricana Aeschynomene trisperma Cassia marimari Aeschynomene paucijuga var. subscabra Aeschynomene brasiliana var. brasiliana