Orobanche gracilis Sm.

Taxonomy: Fam. Orobanchaceae// Genus: Orobanche // Species: Orobanche gracilis Sm.

Determined according to the botanical key provided in Flora Europaea (Tutin et. al, 1972).

Lifeform: Obligate root parasite. Host: Members of the Fabaceae family. Found on Genista carinalis as host.

Distribution: Native from Central and South Europe to Southwest Turkey and Caucasus, Northwest Africa according to distribution information provided by the Plants of the World Online portal.

Habitat:  Grassland, clearings and edges of mixed oak forests. Obligate root parasite found on Genista carinalis Griseb. as host.

Flowering period:  Spring to early summer (MAY, JUN).

Orobanche gracilis – habit in habitat. Mountain ridge between artificial lake “Gradche and the Gorge of “Orizarska” River, 05.06.2021. Photo by Trajche Dimitrovski.
Orobanche gracilis – habit in habiatat. Mountain ridge between artificial lake “Gradche and the Gorge of “Orizarska” River, 05.06.2021. Photo by Trajche Dimitrovski.
Orobanche gracilis – habit. Host: Genista carinalis Sm. Mountain ridge between artificial lake “Gradche” and the Gorge of “Orizarska” River, 05.06.2021. Photo by Trajche Dimitrovski.
Orobanche gracilis – habit. Host: Genista carinalis Sm. Mountain ridge between artificial lake “Gradche” and the Gorge of “Orizarska” River, 05.06.2021. Photo by Trajche Dimitrovski.
Orobanche gracilis – habit. Host: Genista carinalis Sm. Mountain ridge between artificial lake “Gradche” and the Gorge of “Orizarska” River, 05.06.2021. Photo by Trajche Dimitrovski.
Orobanche gracilis – habit. Host: Genista carinalis Sm. Mountain ridge between artificial lake “Gradche” and the Gorge of “Orizarska” River, 05.06.2021. Photo by Trajche Dimitrovski.
Orobanche gracilis – habit. Host: Genista carinalis Sm. Mountain ridge between artificial lake “Gradche” and the Gorge of “Orizarska” River, 05.06.2021. Photo by Trajche Dimitrovski.
Orobanche gracilis – inflorescence. Host: Genista carinalis Sm. Mountain ridge between artificial lake “Gradche” and the Gorge of “Orizarska” River, 05.06.2021. Photo by Trajche Dimitrovski.
Orobanche gracilis – inflorescencea. Host: Genista carinalis Sm. Mountain ridge between artificial lake “Gradche” and the Gorge of “Orizarska” River, 05.06.2021. Photo by Trajche Dimitrovski.
Orobanche gracilis – inflorescence. Host: Genista carinalis Sm. Mountain ridge between artificial lake “Gradche” and the Gorge of “Orizarska” River, 05.06.2021. Photo by Trajche Dimitrovski.
Orobanche gracilis – inforescence. Host: Genista carinalis Sm. Mountain ridge between artificial lake “Gradche” and the Gorge of “Orizarska” River, 05.06.2021. Photo by Trajche Dimitrovski.
Orobanche gracilis – inflorescence. Host: Genista carinalis Sm. Mountain ridge between artificial lake “Gradche” and the Gorge of “Orizarska” River, 05.06.2021. Photo by Trajche Dimitrovski.
Orobanche gracilis – top of inflorescence with flowers and flower buds. Host: Genista carinalis Sm. Mountain ridge between artificial lake “Gradche” and the Gorge of “Orizarska” River, 05.06.2021. Photo by Trajche Dimitrovski.
Orobanche gracilis – flowers and flower buds. Host: Genista carinalis Sm. Mountain ridge between artificial lake “Gradche” and the Gorge of “Orizarska” River, 05.06.2021. Photo by Trajche Dimitrovski.
Orobanche gracilis – flowers. Host: Genista carinalis Sm. Mountain ridge between artificial lake “Gradche” and the Gorge of “Orizarska” River, 05.06.2021. Photo by Trajche Dimitrovski.
Orobanche gracilis – flowers. Host: Genista carinalis Sm. Mountain ridge between artificial lake “Gradche” and the Gorge of “Orizarska” River, 05.06.2021. Photo by Trajche Dimitrovski.
Orobanche gracilis – flowers. Host: Genista carinalis Sm. Mountain ridge between artificial lake “Gradche” and the Gorge of “Orizarska” River, 05.06.2021. Photo by Trajche Dimitrovski.
Orobanche gracilis – flowers. Host: Genista carinalis Sm. Mountain ridge between artificial lake “Gradche” and the Gorge of “Orizarska” River, 05.06.2021. Photo by Trajche Dimitrovski.
Orobanche gracilis – flowers. Host: Genista carinalis Sm. Mountain ridge between artificial lake “Gradche” and the Gorge of “Orizarska” River, 05.06.2021. Photo by Trajche Dimitrovski.
Orobanche gracilis – plant base- stems with leaves. Host: Genista carinalis Sm. Mountain ridge between artificial lake “Gradche” and the Gorge of “Orizarska” River, 05.06.2021. Photo by Trajche Dimitrovski.
Orobanche gracilis – plant base- stems with leaves. Host: Genista carinalis Sm. Mountain ridge between artificial lake “Gradche” and the Gorge of “Orizarska” River, 05.06.2021. Photo by Trajche Dimitrovski.
Orobanche gracilis – stems with leaves. Host: Genista carinalis Sm. Mountain ridge between artificial lake “Gradche” and the Gorge of “Orizarska” River, 05.06.2021. Photo by Trajche Dimitrovski.

References:

Tutin, T.G., Heywood, V.H., Burges, N.A., Moore, D.M., Valentine, D.H., Walters, S.M. & Webb, D.A. (1972). Flora Europaea. Volume 3: Diapensiaceae to Myoporaceae. Cambridge: Cambridge University Press.

Orobanche gracilis Sm. Plants of the World Online, Royal Botanic Gardens, Kew. http://www.plantsoftheworldonline.org/taxon/urn:lsid:ipni.org:names:662378-1 [Accessed 07.07.2021]

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