E-Flora BC: Electronic Atlas of the Flora of British Columbia

Orobanche pinorum Geyer ex Hook.
pine broomrape (conifer broomrape)
Orobanchaceae (Broom-rape family)

Introduction to Vascular Plants

© Adolf Ceska  Email the photographer   (Photo ID #5901)

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Distribution of Orobanche pinorum
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Species Information

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Parasitic herb from an evidently thickened, somewhat tuberous base, soon tapering and becoming more slender, short glandular-hairy throughout; stems one or several, with more or less numerous, short, slender branches above, 10-30 cm tall.
Basal leaves lacking; stem leaves scaly-bracteate, alternate, short glandular-hairy.
Inflorescence loose, panicle-like, the flowers short-stalked or unstalked, subtended by a pair of bractlets at the base of the calyces as well as by a bract at the base of the stalk; corolla 13-20 mm long, yellowish marked with purplish-brown, the lips short, with short-pointed lobes; calyces 5-8 mm long, the slender lobes about equalling the tubes, or a little shorter, with leaves; anthers smooth or nearly so.
Capsules, 2-locular, 2- or 3-valved, breaking open longitudinally; seeds numerous, small.
This species was collected from the Koksilah River in 2000 by A. Ceska after a hiatus of 86 years.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Parasitic on coniferous species; moist to mesic sites in the lowland zone; rare on S Vancouver Island, S to N ID and NW CA.

Source: The Illustrated Flora of British Columbia


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Aphyllon pinorum (Geyer ex Hook.) A. Gray
Myzorrhiza pinorum (Geyer ex Hook.) Rydb.
Phelipaea pinorum (Geyer ex Hook.) A. Gray

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References