Weed Science & Agronomy
INRA-Dijon
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Unité de Malherbologie & Agronomie Weed Science & Agronomy INRA-Dijon |
Bayer Code : orara
Synonym(s) of Sc. name: Phelypaea ramosa (L.) C. A. Meyer.
Classification: Orobanchaceae, Dicotyledonous
Common name: hemp broomrape
Synonym(s) of Common name:
Name per country: DE : Ästige Sommerwurz ; ES : jopo ; FR : orobanche rameuse ; IT : succiamele ramoso ; PT : erva-toira-ramosa ; EN : hemp broomrape ;
Biological type: Annual, Perennial
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- Cotyledons absent, hypogeal germination, root -parasite.
- Height: 10-30 cm. Parasite plant devoid of chlorophyll, glandular -hairy.
- Stem light-yellow or blueish, mostly branched.
- Leaves scale -like, small, numerous, circa 1 cm long.
- Flowers light-yellow, blue-purple tinged, in loose spike, early lengthened. Calyx campanulate, short, 4-5-toothed, with 2 basal bracteoles. Corolla 10-20 mm long. Filaments joined to the corolla on 3-5 mm long. Stigma blue-lilac. Bracts half as long as the corolla at base, 1-2 mm broad.
- Fruit globose, more or less flattened, glabrous.
- The base of the stems was used in disorders of nerves.
- Rare in crops.
- Biological type: annual or perennial according to the biological type of the host plant.
Ecological profile (click on flags):
Present
Rare
Present
Present
