Lauraceae


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Lauraceae

[lȯ′rās·ē‚ē]
(botany)
The laurel family of the order Magnoliales distinguished by definite stamens in series of three, a single pistil, and the lack of petals.

Lauraceae

 

a family of dicotyledonous plants. They are trees and shrubs and, rarely, parasitic herbs. The simple leaves are generally leathery and persistent; as a rule, they are alternate and exstipulate. The flowers are three-parted (more rarely five-or two-parted), bisexual (sometimes unisexual), regular, small, and racemose. The ovary is superior; very rarely is it inferior. The fruit is a monospermous berry or drupe and is often surrounded by a fleshy floral tubule. The leaves, bark, and other parts of many plants of this family have glands that contain essential oils.

There are 40 to 50 genera (over 2,000 species) of Lauraceae, distributed predominantly in the tropics; they are less frequently encountered in the subtropics. Only a few genera are found in temperate regions, where they had been widely distributed in the Tertiary period. The Lauraceae include the genera Cinnamomum (including the camphor tree), Laurus, and Sassafras, as well as other useful plants. Many species of Lauraceae yield spices (bay leaves and cinnamon), edible fruits (avocado), camphor, essential oils, medicinal substances, wood for construction and the manufacture of small articles, and other valuable products.

REFERENCES

Hutchinson, I. The Genera of Flowering Plants, vol. 1. Oxford, 1964.
References in periodicals archive ?
Except the species of Fagaceae, Theaceae and Lauraceae commonly in evergreen broad-leaved forests, it is characterized by higher numbers of Euphorbiaceae and Rubiaceae species and also features megaphanerophytes, compound and entire leaved species, and fewer hemicryptophytes in physiognomy.
En contraste, se evidencian coincidencias entre las familias con mayor riqueza reportadas (Rubiaceae, Araceae, Lauraceae), seguidas por Melastomataceae, la cual es muy abundante pero no tan diversa frente a otros estudios (2,3).
[18.] Ozolua RI, Ogochukwu NA, Stephen OO, Sylvester EI (2009) Acute and sub-acute toxicological assessment of the aqueous seed extract of Persea Americana mill (Lauraceae) in rats.
nobilis (Lauraceae) ([LC.sub.50] = 8.0 [micro]L/L) [53], Eucalyptus spp.
Frugivoria por aves em Nectandra megapotamica (Lauraceae) em uma area de Floresta Estacional Decidual no Rio Grande do Sul, Brasil.
Ademas el dosel del bosque puede alcanzar hasta 35 m de altura, y en ellos es comun la presencia de palmas y especies de las familias Lauraceae y Sapotaceae; asi como variadas epifitas, orquideas y helechos arboreos (Bolanos et al., 2010).
9 6 15 Pitecelobium dulce 4 2 6 Pitecelobium longifolium 15 5 20 Samanea saman 0 1 1 Lauraceae Cinamomum sp.
As familias botanicas com maior riqueza de especies foram Fabaceae e Lauraceae (5 spp.) e Meliaceae e Myrtaceae (4 spp.), juntas representam 31,57% do total de especies.
Estas especies pertenecen a las Melastomataceae y Sapotaceae, y solo dos familias con una especie cada una pertenecen al grupo ecologico de las secundarias, Myrtaceae y Lauraceae segun MARTINEZ-HIGUERA (2006).
SLs are also found in other genera namely liverwort (Frullania) tulip tree (Liriodendron Magnoliacea) and sweetbay (Lauraceae Laurus nobilis).
Fabaceae Vida faba Fabaceae Litsea guatemalensis Lauraceae Persea americana Lauraceae X Dracaena fragans Libaceae Eucalyptus spp.