Species Detail Forb

Flower spike		Yavapai County Native & Naturalized Plants Orobanche cooperi - desert broomrape Synonyms: Aphyllon cooperi, Myzorrhiza cooperi, Orobanche ludoviciana Other Common Names: burro weed strangler Plant Form: Forb or Subshrub Family: Orobanchaceae
Flower spike


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Plant Shannon Mullarkey @http://swbiodiversity.org, Usage Rights:Creative Commons Attribution-ShareAlike (CC BY-SA)

Forb Plant Description

Origin: Native Life Cycle: Annual
General Desc: Annual parasite found growing on bursage roots and other composites; above ground stem is purple-brown.
Identification notes: Corolla lobes pointed; anthers hairy; flowers on short stalks and subtended by bracts.
Height: To 15 inches

Habitat

Habitat Description: Sandy deserts and washes, oak woodlands.
Plant Communities: Desert Scrub, Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland
Elevation: 200 - 5000 feet

Flower Characteristics

Color: Purplish Shape: Irregular in elongated clusters Tubular: Y Flowering Period: Feb - Aug
Description: Bilateral, 2-lobed upper lip and 3-lobed lower lip, to 1 inch long; many on erect cone-like spike.

Leaf and Stem Characteristics

Leaf Color: Purplish-brown Leaf Type: Other Leaf Shape: Other Leaf Margin: Smooth Leaf Attachment: Alternate Leaves Clasp: N
Hairs: No Spines: N
Leaf Description: Leaves reduced to scales, alternate but tending to form a series of tight spirals along stems.

Fruit and Seed Characteristics

Fruit Type: Capsule
Seed Notes: Numerous and minute.


	Arizona Cooperative Extension Yavapai County 840 Rodeo Dr #C Prescott, AZ 86305 (928) 445-6590	Version 8.0 http://cales.arizona.edu/yavapaiplants/SpeciesDetailForb.php Last Updated: Dec 13, 2022 Content Questions/Comments: Email Matt Halldorson Legal Disclaimer