Jepson eFlora: Taxon page
Vascular Plants of California
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Diplacus parviflorus

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.
Diplacus parviflorus Greene
Habit: Subshrub, shrub, glabrous. Leaf: lance-elliptic to ovate or obovate, entire to crenate or dentate, edges generally flat or +- rolled under, more so in drought; uniformly green, glabrous. Inflorescence: flower generally 2(4) per node. Flower: pedicel 8--24 mm; calyx 17--26 mm, tube glabrous, appressed to corolla tube distally; corolla dark orange to red, tube-throat 32--37 mm, lobes entire to 2-lobed distally; anthers included or +- exserted. Fruit: 14--21 mm, splitting at upper suture. Chromosomes: 2n=20.
Ecology: Rocky hillsides, canyon walls, cliffs; Elevation: < 600 m. Bioregional Distribution: ChI (Anacapa, San Clemente, Santa Cruz, Santa Rosa islands). Flowering Time: Mar--Jun
Synonyms: Mimulus aurantiacus var. parviflorus (Greene) D.M. Thomps.; Mimulus flemingii Munz
Jepson eFlora Author: Naomi S. Fraga [TJM2 author David M. Thompson]
Reference: [Thompson 2005 Syst Bot Monogr 75:1--213; Barker et al. 2012 Phytoneuron 39:1--60]
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)
Listed on CNPS Rare Plant Inventory

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Citation for this treatment: Naomi S. Fraga 2018, Diplacus parviflorus, in Jepson Flora Project (eds.) Jepson eFlora, Revision 6,, accessed on October 03, 2023.

Citation for the whole project: Jepson Flora Project (eds.) 2023, Jepson eFlora,, accessed on October 03, 2023.

Diplacus parviflorus
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© 2009 Gary A. Monroe
Diplacus parviflorus
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© 2003 Keir Morse
Diplacus parviflorus
click for enlargement
© 2009 Gary A. Monroe
Diplacus parviflorus
click for enlargement
© 2009 Gary A. Monroe

More photos of Diplacus parviflorus in CalPhotos

Geographic subdivisions for Diplacus parviflorus:
ChI (Anacapa, San Clemente, Santa Cruz, Santa Rosa islands).
1. You can change the display of the base map layer control box in the upper right-hand corner.
2. County and Jepson Region polygons can be turned off and on using the check boxes.
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).


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).