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Genus Origanum L.

Род 667 (6). РИГАН — ORIGANUM L.¹

L., Sp. Pl., ed. 1 (1753) 588; Gen. Pl., ed. 5 (1754) 256.

Fam: Labiatae Juss. (Lamiaceae)
Genus: Origanum L.
English Name: Oregano

Description:

Low shrubs, perennial or annual herbaceous plants. Stems ascending or erect, fibrous or naked, sometimes redeemed dyed. The leaves simple, entire or jagged, almost round, heart-shaped, elliptical, broadly ovate to ovate lance, sitting down or with short stems. Blossoms two- or unisex in 2 or more vertebrae in the bosom of more or less overlapping different than leaves, purple or green prickling, collected in lateral or vertebral little wheatears, forming petty or thyroid complex inflorescences. The calyx with 13 veins, bell-shaped or broadly conical, correct or week with a double mouth, with five equal teeth or entire, on top vertically cut off, more rarely one-pointed, deeply unilaterally incised, at the opening with a ring of hairs. The corolla with a double mouth, straight tube; the upper lip entire or incised, the lower 3-part with almost equal shares. Stamens 4, hidden or protruding slightly above the upper lip; the anther nests spaced, connected by a wide konektiv. The style with equally long stigmas. Nuts ovoid, naked, smooth surface. Insect pollinated plants; breed with seed and vegetative.

Table for determination of the species

1   The correct calyx, with 5 equal teeth ..................................................................................................................................... - O. vulgare L.
1* The calyx is one-mouth, deeply unilaterally incised ........................................................................................................... * - O. majorana L.

¹ Developed by M. Anchev.

From: „Флора на Н Р България”, том IX, БАН, София, (1989)

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Origanum (/oʊˈrɪɡənəm/[3])is a genus of herbaceous perennials and subshrubs in the family Lamiaceae, native to Europe, North Africa, and much of temperate Asia, where they are found in open or mountainous habitats. A few species also naturalized in scattered locations in North America and other regions.[2][4][5][6]
The plants have strongly aromatic leaves and abundant tubular flowers with long-lasting coloured bracts. The genus includes the important group of culinary herbs: marjoram (Origanum majorana) and oregano (Origanum vulgare).[7][8]
Origanum species are used as food plants by the larvae of some Lepidoptera species, including Coleophora albitarsella.

From Wikipedia, the free encyclopedia

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Origanum

The genus Origanum is in the family Lamiaceae in the major group Angiosperms (Flowering plants).

Statistics

The Plant List includes 215 scientific plant names of species rank for the genus Origanum. Of these 57 are accepted species names.
The Plant List includes a further 53 scientific plant names of infraspecific rank for the genus Origanum. We do not intend The Plant List to be complete for names of infraspecific rank. These are primarily included because names of species rank are synonyms of accepted infraspecific names.

From www.theplantlist.org/browse/A/Lamiaceae/Origanum/

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Distribution in Bulgaria: (Conspectus of the Bulgarian Vascular Flora) = conspectus&gs_l= Zlc.
Distribution:

References: „Флора на Н Р България”, том IX, БАН, София, (1989), Wikipedia, the free encyclopedia, www.theplantlist.org/browse/A/Lamiaceae/Origanum/

SPECIES:

Origanum vulgare L. - Sweet marjoram

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