Bald mimosa

from Wikipedia, the free encyclopedia
Bald mimosa
Bald mimosa (Leucaena leucocephala), pinnate leaves and spherical inflorescences

Bald mimosa ( Leucaena leucocephala ),
pinnate leaves and spherical inflorescences

Systematics
Order : Fabales (Fabales)
Family : Legumes (Fabaceae)
Subfamily : Mimosa family (Mimosoideae)
Tribe : Mimoseae
Genre : Leucaena
Type : Bald mimosa
Scientific name
Leucaena leucocephala
( Lam. ) De Wit
inflorescence

The Leucaena leucocephala ( Leucaena leucocephala ) is a plant from the genus Leucaena in the subfamily of the mimosa plants (Mimosoideae) within the family of the Leguminosae (Fabaceae).

description

illustration
legumes
Seeds

Vegetative characteristics

Leucaena leucocephala grows as a semi- evergreen shrub or tree and reaches heights of 5 to 18 meters. The species forms a deep tap root. The plant carries a rubber . The relatively smooth bark is grayish, with sometimes blackish lenticels , with age it is also thicker and rough to furrowed. Also buttresses and corrugations below the trunk occur.

The paired and bi-pinnate, stalked leaves consist of 4 to 9 pairs of first-order leaflets with about 6 to 22 pairs of leaflets that are 8 to 20 millimeters long. The petiole is about 2–5 inches long and the leaves 10–25 inches. The rachis and the lateral axes are slightly hairy. The almost sessile leaflets are ovate, lanceolate to elongated, with entire margins and pointed to just pointed, the blade is often uneven. The small stipules are sloping. Individual glands may be present on the petiole.

The following important information is missing from this article or section:
A description without flower characteristics is too incomplete
Help Wikipedia by researching and pasting it .

Generative characteristics

Small, stalked and spherical, about 2–3 centimeters large, pseudo-flowered inflorescences with many small, greenish-white and five-fold, hermaphrodite flowers with a double flower envelope are formed. The inflorescences appear singly or in pairs to six in the leaf axils. Some bracts are formed under the inflorescences and a small, sloping bract is present on the individual flowers . There are 10 long stamens . The elongated, upper ovary has a short stalk, the plump, long stylus bears a small, head-like scar .

The fruits appear in several to many on the inflorescences. The 10 to 22 centimeters long, narrow, brown, leathery and flat, short-tipped and almost bald legume looks like a thin tamarind fruit and contains 10 to 30 seeds . The flat, egg-shaped to elliptical seeds are dark brown and smooth, and about 0.6–1.1 inches long.

The number of chromosomes is 2n = 56 or 104.

Occurrence

The original range of Leucaena leucocephala extends from Mexico to Central America .

The white-headed mimosa was introduced to Southeast Asia because it is suitable for rapid reforestation and the leaves are suitable as fodder. But outside of its natural range, Leucaena leucocephala has proven to be an invasive plant that forms thickets and displaces native species.

use

The young leaves, pods and flower buds are eaten. The seeds are also consumed raw or cooked, they are roasted and ground and used as a coffee substitute . Dried seeds can also be fermented into tempeh or dageh . The vegetable gum is used in sauces.

Systematics

It was first published in 1783 under the name ( Basionym ) Mimosa leucocephala by Jean-Baptiste de Lamarck in Encyclopédie Méthodique, Botanique , 1, 1, p. 12. The new combination to Leucaena leucocephala (Lam.) De Wit was made in 1961 by Hendrik Cornelis Dirk de Wit published in Taxon , Volume 10, Issue 2, p. 54. Other synonyms for Leucaena leucocephala (Lam.) De Wit are, for example: Leucaena glauca Benth. , Mimosa glauca L. , Acacia frondosa Willd. , Acacia glauca (L.) Willd. , Acacia leucocephala (Lam.) Link .

There are about three subspecies:

  • Leucaena leucocephala subsp. glabrata (rose) Zárate
  • Leucaena leucocephala subsp. ixtahuacana C.E. Hughes : It occurs from the Mexican state of Chiapas to Guatemala .
  • Leucaena leucocephala (Lam.) De Wit subsp. leucocephala : It occurs from Mexico to Belize .

swell

Individual evidence

  1. ↑ FAO: Information on Leucaena leucocephala with good illustration ( Memento from July 15, 2016 in the Internet Archive ).
  2. ↑ Leucaena leucocephala at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis.
  3. ↑ Data sheet Leucaena leucocephala at The Global Invasive Species Database (English)
  4. ↑ Leucaena leucocephala at Tropicos.org. Missouri Botanical Garden, St. Louis, accessed March 24, 2017.
  5. ↑ a b c Leucaena leucocephala in the Germplasm Resources Information Network (GRIN), USDA , ARS , National Genetic Resources Program. National Germplasm Resources Laboratory, Beltsville, Maryland. Retrieved March 24, 2017.

Web links

Commons : Bald Mimosa ( Leucaena leucocephala )  - Collection of images, videos and audio files