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Petasites hybridus (L.) Gaertner, Meyer et Schreb. Fam: Asteraceae (Compositae)
Genus: Petasites Miller
Species: Petasites hybridus (L.) Gärtn., Meyer et Schreber
English Name: Butterbur,Bog rhubarb, Devil's hat and Pestilence wort.
Description:

Baskets medium. Shell bell-like, composed almost entirely of a series of leaflets. Blossoms heterogeneous, dioecious. Males with few narrow tubular peripheral, female flowers and numerous infertile hermaphrodite; females with multiple peripheral female blossoms, closely tubular, obliquely cut and therefore tongue-like and numerous, fruitless, hermaphrodite blossoms. Blossom bed naked. Bar bipartite. Perennial plants with creeping rhizome and very large leaves. Blossom stems covered only with flakes.
The leaf stems hollow, topped with two edges. Stigmas of the interior blossoms short, oval and blunt. P. hybridus (L.) Gärtn. (P. officinalis Monch, Tussilago h. L.) (Perennials) – They grow on stony moist places, along rivers and streams; in foothill areas (1). (JI, X). It blooms in the spring, and later developed leaves. Fig. 1436.
var. hybridus - scales on the stem and blossoms are reddish. Inflorescence simple cluster-shaped. Disseminated form.
var. ochroleucus (Boiss. et Huet) Hayek (P. o. Boiss et Huet, P. h. var. adriaticus Rohl.) - greenish scales. Blossoms yellow. Inflorescence at the bottom branching. Strandja mountain, near Gorna Oryahovitsa.
References:„Флора на България”, Н. Стоянов, Б. Стефанов, Б. Китанов, част II, Наука и Изкуство, София, (1967)

Petasites hybridus, the (common) butterbur is a herbaceous perennial plant in the family Asteraceae, native to Europe and northern Asia. The flowers are produced in the early spring, before the leaves appear; they are pale pink, with several inflorescences clustered on a 5–20 cm stem. The leaves are large, on stout 80–120 cm tall stems, round, with a diameter of 40–70 cm. It is also called bog rhubarb, Devil's hat and pestilence wort. Synonyms include P. officinalis, P. ovatus and P. vulgaris.
From Wikipedia, the free encyclopedia
Flowering Time: Blooms early in the spring, and the leaves grow later.

Distribution in Bulgaria: They grow on stony moist places, along rivers and streams; in foothill areas up to 1000 m altitude. (Conspectus of the Bulgarian Vascular Flora) = conspectus&gs_l= Zlc.
Distribution:
Conservation status and threats: not protected species in Bulgaria by theBiodiversity Law. Законодателство на Република България: Закон за биологичното разнообразие
Medical plant: - yes it is - http://lex.bg/laws/ldoc/2134916096

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Petasites hybridus 1. Petasites hybridus 2. Petasites hybridus 3. Petasites hybridus 4. Petasites hybridus 5.

Petasites hybridus 6. Petasites hybridus 7. Petasites hybridus 8. Petasites hybridus 9. Petasites hybridus10.

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