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Ammannia latifolia L.

Pink redstem (en)

Species

Angiosperms > Myrtales > Lythraceae > Ammannia

Characteristics

Erect slender herbs to 4.5 dm. tall, glabrous throughout. Leaves sessile, nar-rowly oblong-lanceolate, acute at the apex, auriculate-amplexicaul at the base, 3.0-8.5 cm. long, 0.4-1.3 cm. wide, the primary lateral veins and submarginal vein obscure. Inflorescence spiciform, leafy-bracted, intercalary, the flowers in rela-tively distant, subsessile, 1-to 3-flowered minutely bracteolate cymes. Hypanthium urceolate, appendiculate, becoming globose in fruit, 2.4-4.0 mm. long, 1-2 mm. broad at the orifice, the calyx lobes broadly deltoid. Petals absent. Stamens included, the filaments glabrous, the anthers about 0.25 mm. long. Ovary ovoid, 1.5-3.5 mm. long, 1.0-2.5 mm. in diameter, glabrous; style about 0.5 mm. long.
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Stem stout, 2–5 dm, simple or branched near the base; lvs spatulate to linear-oblong or lanceolate, mostly 2–5 cm, the lower cuneate, the upper truncate to cordate-auriculate at base; cymules sessile or nearly so; sep obtuse, often minutely mucronate; pet pink, 1 mm, caducous, or wanting; style only 0.5 mm, included in the hypanthium even in fr; 2n=48. Wet ground on the coastal plain; N.J. to Fla. and Tex., s. to trop. Amer. July–Sept. (A. koehnei; A. teres)
Life form annual
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.45
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture 1-6
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

Usage

Uses medicinal
Edible -
Therapeutic use -
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 -

Distribution

Ammannia latifolia world distribution map, present in Argentina, Antigua and Barbuda, Bonaire, Sint Eustatius and Saba, Bahamas, Bolivia (Plurinational State of), Brazil, Barbados, Chile, Colombia, Cuba, Cayman Islands, Ecuador, Guadeloupe, Grenada, French Guiana, Jamaica, Saint Kitts and Nevis, Saint Lucia, Morocco, Mexico, Martinique, Nicaragua, Panama, Peru, Puerto Rico, Turks and Caicos Islands, Trinidad and Tobago, United States of America, and Venezuela (Bolivarian Republic of)

Identifiers

LSID urn:lsid:ipni.org:names:552714-1
WFO ID wfo-0000531010
COL ID CT3S
BDTFX ID -
INPN ID 629064
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Ammannia koehnei Ammannia latifolia Ammannia catholica Ammannia teres Ammannia friesii Ammannia hastata Ammannia lingulata Ammannia lythrifolia Ammannia sagittata Rotala catholica Jussiaea sagittata Ludwigia hastata Isnardia subhastata Ammannia catholica var. brasiliensis Ammannia koehnei var. exauriculata Ammannia teres var. exauriculata Ammannia humilis var. b Ludwigia scabriuscula Ammannia pallida
WorldFloraDB 2024