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Genus Hesperis L.
Род 336(10). ВЕЧЕРНИК — HESPERIS L.¹
L., Sp. Pl. ed. 1 (1753) 663; Gen. Pl. ed. 5 (1754) 297.

Fam: Cruciferae Juss. (Brassicaceae)
Genus: Hesperis L.
English Name: no English name found

Description:

Biennial to perennial plants with branched, unbranched and glandular hairs or rarely glabrous. The root is spindle-shaped. Leaves follow one after another, entire or pinnate. Inflorescence grape-shaped, without bracts. Sepals erect, the outer ones at the base are bag expanded. Petals purple, pink, white, yellowish or brown, often with a network of purple veins, with a long nail. Stamens free, with winged lobes and oblong anthers. Nectar glands two, annular or square, located at the base of the short stamens, outward most often tripartite, inwardly cut, middle nectar glands missing. The fruit is cylindrical, the ovary sits down. Fruit linear, cylindrical or slightly quadrilateral, slightly laterally flattened. The caps with a single midrib and with mesh or longitudinal lateral veins, often slightly protruding above the seeds. Partition wall thin, without veins, epidermal cells with numerous, transverse, parallel to the walls divisions. The style is short. The stigma is two-part deep, with erect, free, adjacent lobes. Seeds one row in each well, cylindrical in length, dark brown. Insect pollinated. Propagated by seeds.

Table for determination of the species

1    Blossoms yellowish to alternating yellow brown, sometimes with purple veins ................................ 2
1* Blossoms red, purple, pink or white .................................................................................................... 3
2   The petioles of the bottom pods 3 - 9 cm long. Petals 2 - 4 mm wide ......................…. 1. - H. tristis L.
2* The petioles of the bottom pods are no more than 1.5 cm long. Petals 3 - 9 mm wide ……........................................................................................................................... 2. - H. laciniata All.
3   Stem bristly-fibrous with 3 - 5 mm long, horizontally spread hairs. Blossom petioles are usually much shorter than the calyx .................................................................................................. 3. - H. laciniata All.
3* Stem fibrous with less than 1 mm hair. Blossom petioles almost equally long with the calyx ............. 4
4. Middle and upper stem leaves with short petioles, not covers the stem ................ 3. - H. matronalis L.
4* Middle and upper stem leaves more or less covering the stem ........................................................... 5
5   White blossoms ................................................................................................ 6. - H. dinarica G. Beck
5* Blossoms pink or red ............................................................................................................................ 6
6   Plant with long unbranched hairs .................................................................... 5. - H. theophrasti Borb.
6* Plants without long unbranched hairs ................................................................ 4. - H. sylvestris Crantz
¹ Developed by Ivan Assenov.

From:   „Флора на НР България”, том IV, БАН, София, (1970)

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Hesperis is a genus of flowering plants in the family Brassicaceae. Most are native to Eurasia, with several endemic to Turkey. Many plants of this genus bear showy, fragrant flowers in shades of purple and white. One of the more widely known species is the common garden flower Hesperis matronalis.

From Wikipedia, the free encyclopedia

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Hesperis

The genus Hesperis is in the family Brassicaceae in the major group Angiosperms (Flowering plants).
Statistics are at the end of the page.

www.theplantlist.org › browse › Brassicaceae › Hesperis

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

References: „Флора на НР България”, том IV, БАН, София, (1970), Wikipedia, the free encyclopedia, www.theplantlist.org › browse › Brassicaceae › Hesperis

Hesperis dinarica G. Beck - no English name found

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