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Vascular Plants of California
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Pedicularis crenulata
SCALLOPED-LEAVED LOUSEWORT


Higher Taxonomy
Family: OrobanchaceaeView DescriptionDichotomous Key
Common Name: BROOMRAPE FAMILY
Habit: Annual, perennial herb, shrub; often glandular; root-parasites, roots modified into absorptive structures. Stem: generally round in ×-section. Leaf: generally simple, generally alternate, reduced to +- fleshy scales in non-green plants lacking chlorophyll; stipules generally 0. Inflorescence: spike to panicle, generally bracted, or flowers 1--2 in axils. Flower: bisexual; calyx lobes 0--5; corolla generally strongly bilateral, generally 2-lipped (upper lip generally 2-lobed, lower lip generally 3-lobed), abaxial lobes outside other lobes in bud; stamens epipetalous, 4 in 2 pairs (sometimes 1 pair sterile), additional staminode 0(1), anther sacs unequal; ovary superior, chambers 1--2, placentas 2--4, parietal, style 1, stigma lobes 0 or 2. Fruit: capsule, generally +- ovoid, loculicidal, valves 2--4. Seed: many, small, angled; surface smooth or netted.
Genera In Family: 101 genera, 2060 species: worldwide, especially northern temperate and Africa. Note: High yield losses in many crops caused by Orobanche and Phelipanche species in Africa, Mediterranean, Middle East, and eastern Europe. Taxa of Orobanche in TJM2 treated here in Aphyllon and Phelipanche.
eFlora Treatment Author: Margriet Wetherwax, except as noted
Scientific Editor: Robert Patterson, Bruce G. Baldwin.
Genus: PedicularisView DescriptionDichotomous Key


Common Name: LOUSEWORT
Habit: Perennial herb, +- green. Stem: decumbent to erect, generally 1--several from generally short caudex. Leaf: alternate, generally +- basal, generally < inflorescence, toothed or generally > 7-lobed, generally reduced distally on stem; petiole generally < blade. Inflorescence: raceme, spike-like; bracts (at least proximal) generally +- like distal leaves; pedicels 1--6 mm. Flower: calyx lobes (2,4)5, distal-most generally shortest (all generally < tube), lateral fused in pairs; corolla white or yellow to red or purple, upper lip hood- or beak-like, curved or not, lower lip 3-lobed, narrow to fan-shaped, central lobe generally smallest; fertile stamens 4, generally glabrous, anthers generally included, sacs 2 per stamen, equal; stigma head-like, generally exserted. Fruit: generally +- ovate or lanceolate in outline, asymmetric, opening mostly on upper side. Seed: smooth or netted.
Species In Genus: +- 500 species: cool wet northern temperate, circumboreal, South America. Etymology: (Latin: lice, from belief that ingestion by stock promoted lice infestation)
eFlora Treatment Author: Linda Ann Vorobik
Reference: Ree 2005 Int J Pl Sci 166:595--613
Pedicularis crenulata Benth.
NATIVE
Stem: 12--40 cm, generally simple, distally tomentose. Leaf: basal and cauline, 3--11 cm, +- linear; margins +- doubly crenate, thick, rolled under, wavy, white. Inflorescence: 2--12 cm, generally simple; bracts generally < flowers. Flower: calyx 8--12 mm, tomentose, lobes generally 2(4 in some plants); corolla 20--26 mm, +- club-like, white in California, glabrous, upper lip 11--15 mm, hooded, lower lip 7--12 mm, +- fan-like, margins +- wavy, lobes +- equal; anthers 2--3 mm, base acute. Fruit: 10--20 mm, +- lanceolate in outline. Seed: 1.5--2 mm, smooth.
Ecology: Wet meadows, streambanks; Elevation: 2100--2300 m. Bioregional Distribution: SNE (Convict Creek, Mono Co.); Distribution Outside California: to Nevada, Wyoming, Colorado. Flowering Time: Jun--Jul
Synonyms: Pedicularis crenulata f. candida J.F. Macbr.; Pedicularis crenulata subsp. candida (J.F. Macbr.) D.W. Taylor
Jepson eFlora Author: Linda Ann Vorobik
Reference: Ree 2005 Int J Pl Sci 166:595--613
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Botanical illustration including Pedicularis crenulata

botanical illustration including Pedicularis crenulata

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Citation for this treatment: Linda Ann Vorobik 2012, Pedicularis crenulata, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=36563, accessed on August 22, 2019.

Citation for the whole project: Jepson Flora Project (eds.) 2019, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on August 22, 2019.

Pedicularis crenulata
click for enlargement
© 2005 Steve Matson
Pedicularis crenulata
click for enlargement
© 2005 Steve Matson
Pedicularis crenulata
click for enlargement
© 2005 Steve Matson
Pedicularis crenulata
click for enlargement
© 2005 Steve Matson
Pedicularis crenulata
click for enlargement
© 2005 Steve Matson

More photos of Pedicularis crenulata in CalPhotos



Geographic subdivisions for Pedicularis crenulata:
SNE (Convict Creek, Mono Co.)
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map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).





 

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Blue markers indicate specimens that map to one of the expected Jepson geographic subdivisions (see left map). Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time.