Litsea glaucescens
Encyclopedia
Litsea glaucescens, laurel silvestre, is an evergreen
Evergreen
In botany, an evergreen plant is a plant that has leaves in all seasons. This contrasts with deciduous plants, which completely lose their foliage during the winter or dry season.There are many different kinds of evergreen plants, both trees and shrubs...

 tree or shrub 3–6 m (9.8–19.7 ) high in the genus Litsea
Litsea
Litsea is a genus of evergreen or deciduous trees or shrubs belonging to the Laurel family, Lauraceae. The genus includes 200 to 400 species in tropical and subtropical areas of both hemispheres.-Overview:Trees or shrubs, dioecious...

belonging to Lauraceae
Lauraceae
The Lauraceae or Laurel family comprises a group of flowering plants included in the order Laurales. The family contains about 55 genera and over 3500, perhaps as many as 4000, species world-wide, mostly from warm or tropical regions, especially Southeast Asia and South America...

 family. It is native from southern North America, mostly in Mexico
Mexico
The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

. Distributed by Mexico and Central America.

It is a shrub or small tree that grows to 1.5 metre high. The bark is brown, thick trunk. Young branches, glabrous, yellowish green, yellow or dark brown bark greenish or sometimes glabrous terminal buds sparsely pubescent.
Leaves are thin and long, with a constriction at the apex, solid green on the upper surface and lighter green below. Leaves alternate, petioles 6–11 mm (0.236220472440945–0.433070866141732 ) long, glabrous, heat wave, blades 5 centimetre long, 2 centimetre wide, elliptic, base acute or attenuated, apex gradually acuminate, usually curved towards the tip, beam and underside glabrous, coriaceous or chartaceous, pinnatinervadas, lateral nerves 8–9 pairs, embedded in the fabric leaf yellowing and arched toward the apex.

Flower
Flower
A flower, sometimes known as a bloom or blossom, is the reproductive structure found in flowering plants . The biological function of a flower is to effect reproduction, usually by providing a mechanism for the union of sperm with eggs...

 in clusters; Inflorescences (male and female) axillary, umbellate, solitary or clustered along branches sharp cutting, ca. 1.0 cm long, 3-5 lorescencia inf f values ​​by bracts pubescent on the midrib, with a pair of bracts small, deciduous additional between f values, peduncle ca. 8.0 mm long, glabrous, pedicel 2.5-3.5 mm long, glabrous to slightly pubescent. Male flowers yellowish-white, 3.0-4.0 mm long, tepals 6, ca. 3.0 mm long, ca. 2. or 4 mm wide, elliptic to obovate slightly similar, externally glabrous or sparsely pubescent on the central portion, stamens usually 9 They are all similar, filaments ca. 1.5 mm long, slender, glabrous, those of whorl interior glands, anthers ca. 1.5 mm long, glabrous, glands ca. 0.8 mm long, irregular, the female yellow, ca. 2.0 mm long, tepals 6, ca. 2.0 mm long, ca. 1.0 mm wide, elliptical or narrowly elliptical, glabrous internally, the more casual and sparsely pubescent outside in the central portion, staminodes 9, ca. 1.0 mm long, ovary and style glabrous.
Fruits ca. 1.0 cm diameter, black when mature, settled on a discoid small dome.

It grows in the mountains, on the banks of rivers and is planted in the garden of houses. The Laurel silvestre is used as seasoning.
Is in danger of extinction, according to the norm Mexican
Mexico
The United Mexican States , commonly known as Mexico , is a federal constitutional republic in North America. It is bordered on the north by the United States; on the south and west by the Pacific Ocean; on the southeast by Guatemala, Belize, and the Caribbean Sea; and on the east by the Gulf of...

NOM-059-SEMARNAT-2001, because it has been used extensively for various uses, medicinal and culinary purposes even religious during the celebration of Sunday de Ramos. The species is one of the most important non-wood trees of Mexico. This species has been exploited for different purposes: religious, dietary and medicinal, where the young branches and leaf tissues are used. This has resulted in a over exploitation in virtually all their range.

This species is easily recognized by the entirely glabrous stems and leaves and yellow-green twigs, differs from Litsea guatemalensis in the latter is branches and leaves pubescent in youth. Litsea glaucescens is quite common in temperate forests of Mexico, coming to meet in the areas of contact with other vegetation types of affinity rather warm. It is very variable in size and shape of the leaves and as a result, it has an extensive synonymy.

External links

  • Instituto Nacional Indigenista, 1996. Plantas medicinales de la Región Cuicateca. Santa María Tlalixtac, Cuicatlán, Oaxaca.
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