Orobanche vallicola

Orobanche vallicola is a species of broomrape known by the common name hillside broomrape.

Orobanche vallicola

Imperiled  (NatureServe)
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Orobanchaceae
Genus: Orobanche
Species:
O. vallicola
Binomial name
Orobanche vallicola
(Jeps.) Heckard

It is endemic to California, where it is an uncommon member of the flora in forests and woodlands.

Description

Orobanche vallicola is a parasite growing attached to the roots of other plants, generally Sambucus species. The plant produces a thick, hairy, glandular pinkish stem up to about 40 centimeters tall.

As a parasite taking its nutrients from a host plant, it lacks leaves and chlorophyll.

The inflorescence is a cluster or branching array of flowers. Each tubular flower is up to 3 centimeters long, yellowish to pinkish and red-veined in color.


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