Jepson eFlora: Taxon page
Vascular Plants of California
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Mimetanthe pilosa

Higher Taxonomy
Family: PhrymaceaeView DescriptionDichotomous Key
Habit: Annual to shrub. Stem: ×-section generally round. Leaf: opposite, simple, generally entire or toothed; stipules 0. Inflorescence: spike, raceme, or panicle, bracted, or flowers 1--2 in axils. Flower: bisexual; calyx radial or +- bilateral, tube long, generally ribbed, lobes 5; corolla generally bilateral, generally 2-lipped, upper [1]2-lobed, lower 3-lobed; stamens 4 in 2 pairs, epipetalous, included or exserted; pistil 1, ovary superior, chambers 1--2, placentas parietal or axile, style 1, stigma lobes 2, flat, folding together when touched. Fruit: generally capsule, generally ellipsoid, loculicidal [indehiscent, 1-seeded].
Genera In Family: +- 12 genera, 200 species: +- worldwide, many habitats; some cultivated as ornamental (e.g., Diplacus, Erythranthe). Formerly included in Scrophulariaceae. Note: Family description by David J. Keil.
eFlora Treatment Author: Naomi S. Fraga [TJM2 author David M. Thompson]
Scientific Editor: Bruce G. Baldwin.
Genus: MimetantheView Description 


Species In Genus: 1 species: w United States, Mexico (Baja California). Etymology: (Greek: imitator flower)
eFlora Treatment Author: Naomi S. Fraga [TJM2 author David M. Thompson]
Reference: Barker et al. 2012 Phytoneuron 39:1--60.
Mimetanthe pilosa (Benth.) Greene
Habit: Annual 2--35 cm, densely long-soft-wavy-hairy. Leaf: 10--30 mm, lanceolate to oblong. Flower: pedicel generally 10--15 mm; calyx 6--7 mm, densely hairy, lobes unequal, 3--4 mm, +- = tube, obtuse; corolla semi-persistent, shriveling on the developing capsule, yellow, tube-throat 7--8 mm; placentas parietal. Fruit: 4--7 mm, chambers 2, dehiscent along the distal 1/3--1/2 both sutures, placentas fused. Seed: many, generally < 1 mm, ovoid, +- yellow to dark brown.
Ecology: Moist, sandy areas, especially by small streams, disturbed areas; Elevation: < 2600 m. Bioregional Distribution: CA-FP, SNE, DMtns; Distribution Outside California: to Washington, Utah, Arizona, Baja California. Flowering Time: Apr--Aug
Synonyms: Herpestris pilosa Benth.; Mimulus pilosus (Benth.) S. Watson
Jepson eFlora Author: Naomi S. Fraga [TJM2 author David M. Thompson]
Reference: Barker et al. 2012 Phytoneuron 39:1--60.
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)

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Citation for this treatment: Naomi S. Fraga 2018, Mimetanthe pilosa, in Jepson Flora Project (eds.) Jepson eFlora, Revision 6, /eflora/eflora_display.php?tid=33500, accessed on February 17, 2020.

Citation for the whole project: Jepson Flora Project (eds.) 2020, Jepson eFlora,, accessed on February 17, 2020.

Mimulus pilosus
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© 2013 Keir Morse
Mimulus pilosus
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© 2009 Thomas Stoughton
Mimulus pilosus
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© 2017 Steve Matson
Mimulus pilosus
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© 1998 John Game
Mimulus pilosus
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© 2008 Steve Matson
Mimulus pilosus
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© 2006 Aaron Schusteff

More photos of Mimulus pilosus in CalPhotos

Geographic subdivisions for Mimetanthe pilosa:
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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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Data provided by the participants of the  Consortium of California Herbaria.
View all CCH records
All markers link to CCH specimen records. The original determination is shown in the popup window.
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.
Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.

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 (fruiting time in some monocot genera).