Orobanchaceae: Broomrape Family — Various excluding Castilleja

Members of the broomrape family are all parasites.  The Aphyllon (formerly Orobanche) genus is fully parasitic.  Its members have no green leaves capable of photosynthesis, therefore they can’t use sunlight for energy.  Others, like Castilleja and Pedicularis, are hemiparasitic, meaning that they have photosynthetic green leaves, but also derive some of their nutrients from the roots of nearby plants.

Clustered Broomrape – Aphyllon fasciculatum (formerly Orobanche fasciculata)

Blooms:

Apr–June

Plant Height:

5–20 cm

Flower Size:

Small

Origin:

Native

Habitat:

Dry chaparral, parasitic on Artemisia, Buckwheat, Yerba Santa and Bedstraw

Notes:

A true parasite, without photosynthetic leaves.  Its flowers have broad, flaring lips and are pinkish to yellow, either on separate stems or densely clustered. Generally found above 600 m. [Note: All native California members of the Orobanche genus have been moved to the Aphyllon genus (see Jepson eFlora Revision 5, December 2017).]

Naked Broomrape – Aphyllon purpureum (formerly Orobanche uniflora)

Blooms:

Apr–July

Plant Height:

3–12 cm

Flower Size:

Small

Origin:

Native

Habitat:

Moist places, parasitic on members of sunflower and saxifrage families

Notes:

A true parasite, without photosynthetic leaves.  This has 1-3 beautiful, small bluish-purple flowers, on pedicels 3–12 cm long.  Most of the plant’s stem is underground.  This species generally has pale purple (occasionally deep violet) to yellowish flowers.  [Note: All native California members of the Orobanche genus have been moved to the Aphyllon genus (see Jepson eFlora Revision 5, December 2017).  It is now considered that A. uniflora is not found in California and that California plants previously treated as Orobanche uniflora did not belong to that species.]

Chaparral Broomrape – Aphyllon tuberosum (formerly Orobanche bulbosa)

Blooms:

Apr–June

Plant Height:

8–30 cm

Flower Size:

Small

Origin:

Native

Habitat:

Openings in chaparral, parasitic on Chamise

Notes:

A true parasite, without photosynthetic leaves.  This is a compact, dense plant, sometimes triangular in outline.  Flowers are yellowish to purple, 10–18 mm long. Photographs can give a wholly misleading sense of its true size.  The tip of the hiking pole gives a true sense of how small the plant really is.  [Note: All native California members of the Orobanche genus have been moved to the Aphyllon genus (see Jepson eFlora Revision 5, December 2017).]

Mediterranean Linseed – Bellardia trixago

Blooms:

Apr–June

Plant Height:

15–80 cm

Flower Size:

Medium cluster

Origin:

Mediterranean

Invasive?

Yes, limited

Habitat:

Disturbed grassland

Notes:

This is an invasive species, occasionally found along roadsides.  At first sight it can be mistaken for a member of the mint family with its squarish stems and spike-like cluster of flowers, each with a hood-like, pink upper lip. Note the white lower lip, three-lobed with the middle lobe slightly extended.  The throat has two distinct ridges.  The leaves are coarsely toothed to scalloped, opposite towards the top of the stem.

Bird’s Beak – Cordylanthus rigidus subsp. rigidus

Blooms:

July–Sept

Plant Height:

30–150 cm

Flower Size:

Small

Origin:

Native

Habitat:

Dry slopes

Notes:

A tall, much-branched, almost shrubby annual plant, soft-hairy, and yellow-green or red-tinged.  It has small, inconcspicuous white flowers, shaped like a bird’s beak with a U-shaped maroon stripe.  There are 5–15 flowers per head, each surrounded by leaf-like bracts.  The bracts are lobed in the lower half, with the middle lobe either tapered or blunt and notched.

Indian Warrior – Pedicularis densiflora

Blooms:

Feb–May

Plant Height:

6–55 cm

Flower Size:

Medium cluster

Origin:

Native

Habitat:

Woodland, parasitic on Manzanita and other members of the Heath family

Notes:

This is usually found under larger plants, thereby obtaining both shade and nutrients.  Very common in early spring, and often found in abundance.  Its toothed bracts and easily overlooked tubular flowers are a similar deep maroon.  Its basal leaves are somewhat fern-like, starting out reddish but fading to dark green.

Dudley’s Lousewort – Pedicularis dudleyi

Blooms:

Mar–June

Plant Height:

10–30 cm

Flower Size:

Small cluster

Origin:

Native

Rare or endangered?

Yes – 1b.2

Habitat:

Moist open places near streams (Little Sur River)

Notes:

This rare plant has dark green leaves that are pinnately lobed, elliptic-oblong to ovate.  The corolla is pink to purplish.  Its upper lip forms a narrow hood enclosing the stamens and pistils, and the lower lip is whitish, about half as long as the upper.

Dwarf Owl’s-clover – Triphysaria pusilla

Blooms:

Apr–June

Plant Height:

≤ 20 cm

Flower Size:

Very small

Origin:

Native

Habitat:

Grassy fields

Notes:

This plant can be as up to 20 cm tall, but is normally much smaller.  The foliage is green, turning reddish-brown.  The tiny flowers are almost invisible to the naked eye.  But under a hand lens, you will see a pouch, dark red on top, with lower lips also dark red.