Bedstraw Broomrape
Orobanche caryophyllacea
Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Orobanche_caryophyllacea
Overview
Bedstraw Broomrape is a parasitic flowering plant that lacks chlorophyll and appears as a pale, yellowish-brown spike emerging from the ground. This holoparasitic species attaches to the roots of bedstraw plants (Galium species) and other members of the Rubiaceae family, drawing all its nutrients from its host. The plant produces small, tubular flowers arranged densely along its unbranched stem and plays a specialized ecological role as a root parasite in grassland ecosystems.
Bedstraw Broomrape is declining primarily due to habitat loss and degradation of its specialized grassland environments. Agricultural intensification, urban development, and changes in land management practices have significantly reduced the availability of suitable host plants and appropriate habitat conditions.
Habitat
Bedstraw Broomrape occurs in calcareous grasslands, chalk downs, and limestone pavements where its host bedstraw species are abundant. It typically grows in short, nutrient-poor turf maintained by traditional grazing regimes on well-drained, alkaline soils.
Other threatened species in Orobanchaceae
Frequently asked questions
Why is Bedstraw Broomrape classified as Endangered?
Where does Bedstraw Broomrape live?
What are the main threats to Bedstraw Broomrape?
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