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Orobanche ludoviciana - Louisiana broomrape

Scientific Family
Orobanchaceae
Synonyms
Orobanche valida
Other common names
desert broomrape
manyflower broomrape
Rock Creek broomrape
Plant type
Forbs and Subshrubs
Origin
Native
Lifecycle
Annual
Similar species
Orobanche cooperi
Height
2-3/4 to 15-3/4 inches
Riparian
No

Flowers appear to be attached to an upright above-ground stem. They are packed tightly together to form a dense spike. Easier to identify after it dies, as it dries to a rather conspicuous dark-brown color.

Parasitic annual, sticky, hairy; stems simple; leaves scale-like, <1/2 inch long; flowers purplish, yellow-throated, upper lip with a single lobe, the lower with 3 purple veined lobes, in dense spikes, have small bracts below; anthers hairy.

Habitat

Sandy soils, dry hillsides.

Plant Community
Desert Scrub
Interior Chaparral
Pinyon Juniper Woodlands
Low elevation
0
High elevation
7000

Flower Characteristics

Numerous flowers clustered in a dense spike; tubular, 1/2 to 3/4 inch long; lower with stalk; upper without stalk; hairy; 2-lobed upper lip and 4-lobed lower with prominent purple vein; tubular sepals; 5 long narrow lobes; hairy.

Flower color
Purple, purplish, yellow, brown
Flower shape
Irregular
Tubular
Yes
First bloom month
May
Last bloom month
September
Flower clusters
Elongated

Leaf and Stem Characteristics

Stems simple or branched, often under ground; scale-like leaves; small, 1/4 to 1/2 inch long.

Leaf type
Simple
Leaf color
Purplish
Leaf shape
Other
Leaf margin
Smooth
Leaf attachment
Alternate
Leaves clasp
No
Leaf hairs
Stems
Spines
No

Fruit and Seed Characteristics

Oval; 1/4 to 1/2 inch; usually as long as sepals.

Fruit type
Capsule
Fruit color
Purplish-brown

Many seeds less than 1/16 inch.