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Mimulus nanus var. nanus

Higher Taxonomy
Family: PhrymaceaeView Description 

Habit: Annual to shrub. Stem: ×-section generally round. Leaf: opposite, simple, 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: +- 15 genera, 230 species: +- worldwide, many habitats; some cultivated as ornamental (e.g., Mimulus, Mazus). Formerly included in Scrophulariaceae. Note: Family description by David J. Keil.
eFlora Treatment Author: David M. Thompson
Scientific Editor: Douglas H. Goldman, Bruce G. Baldwin.
Genus: MimulusView DescriptionDichotomous Key

Habit: Glabrous to hairy. Stem: generally erect. Leaf: opposite, generally +- sessile, generally toothed or entire, generally green or +- red. Inflorescence: raceme, bracted, or flowers generally 2 per axil. Flower: occasionally cleistogamous; calyx generally green, lobes 5, generally << tube, generally unequal; corolla generally deciduous, white to red, maroon, purple, gold, or yellow, lower lip base occasionally swollen, +- closing mouth, tube-throat floor generally with 2 longitudinal folds; anther sacs spreading; placentas 2, axile or parietal; stigma lobes generally flat, generally included. Fruit: generally ovoid to fusiform, generally upcurved if elongate, generally +- fragile, loculicidal near tip (hard, indehiscent), chambers 1--2. Seed: many, generally < 1 mm, ovoid, +- yellow to dark brown.
Species In Genus: +- 100 species: North America, Chile, eastern Asia, southern Africa, New Zealand, Australia. Etymology: (Latin: little mime or comic actor, from face-like corolla of some species) Note: Limb width measured between most distant points across corolla face.
Species: Mimulus nanusView Description 

Habit: Annual 1--15 cm, +- puberulent to hairy. Leaf: 3--30 mm, oblanceolate to linear; lower surface +- purple; tip acute to rounded. Flower: pedicel 0.5--7 mm; calyx lobes +- unequal, acute to +- long-tapered, mouth in fruit +- oblique; corolla persistent, throat floor generally with 2 yellow folds surrounded by and generally dotted deeper magenta; stigma +- exserted; placentas parietal. Fruit: 3.5--12 mm. Chromosomes: 2n=16.
Note: Intermediates with Mimulus layneae occur in NW and southern SN.

Mimulus nanus Hook. & Arn. var. nanus
Stem: lowest internodes +- longer than others, primary axis not dominant; tufted or mound-like. Leaf: minutely puberulent, green, basal generally +- purple below. Inflorescence: fruit nodes +- evenly spaced. Flower: calyx 6--10 mm, minutely puberulent, lobes 1--4 mm; corolla magenta or lavender-purple, tube-throat 11--19 mm, glabrous externally, limb 8--14 mm wide. Fruit: 6--12 mm.
Ecology: Openings in sagebrush or on disturbed slopes, generally around granite; Elevation: generally 1000--2300 m. Bioregional Distribution: NW, CaRH, GB; Distribution Outside California: to Washington, Montana, Wyoming. Flowering Time: May--Aug
eFlora Treatment Author: David M. Thompson
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botanical illustration including Mimulus nanus var. nanus


Citation for this treatment: David M. Thompson 2016. Mimulus nanus var. nanus, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on May 01, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora,, accessed on May 01, 2016.

Mimulus nanus var. nanus
click for enlargement
© 2014 Neal Kramer
Mimulus nanus var. nanus
click for enlargement
© 2014 Neal Kramer

More photos of Mimulus nanus var. nanus in CalPhotos

Geographic subdivisions for Mimulus nanus var. nanus:
Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.