Jepson eFlora: Taxon page
Vascular Plants of California
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Diplacus longiflorus


Higher Taxonomy
Family: PhrymaceaeView DescriptionDichotomous Key
Common Name: LOPSEED FAMILY
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: DiplacusView DescriptionDichotomous Key


Common Name: MONKEYFLOWER
Habit: Annual to shrub, glabrous to hairy. Stem: generally erect. Leaf: generally +- sessile, generally toothed or entire. Inflorescence: raceme, bracted, flowers 1--4 per node. Flower: pedicel generally < calyx; occasionally cleistogamous; calyx generally green, lobes 5, generally << tube, generally unequal; corolla semi-persistent, shriveling on the developing capsule (deciduous, in D. mohavensis and D. pictus), white to red, maroon, purple, orange, or yellow, tube-throat floor generally with 2 longitudinal folds; anther sacs spreading; placentas 2, parietal; stigma lobes generally included. Fruit: generally ovoid to lanceolate in outline or nearly cylindric, dehiscent to near base along the upper suture, and at least in distal half along lower suture, or sometimes indehiscent, chambers 2. Seed: many, generally < 1 mm, ovoid, +- yellow to dark brown.
Species In Genus: 47 species: w United States, Mexico (Baja California). Etymology: (Greek: two cake, from the separated placentas in fruit at dehiscence) Note: Limb width measured between most distant points across corolla face.
eFlora Treatment 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]
Diplacus longiflorus Nutt.
NATIVE
Habit: Subshrub, shrub, glandular-puberulent and short soft-hairy. Leaf: narrowly elliptic, serrate, edges generally +- flat, rolled under in drought; abaxially hairy, stellate in part. Inflorescence: flower 2 per node. Flower: pedicel 5--16 mm; calyx 22--32 mm, tube puberulent to hairy, distally appressed to corolla tube; corolla orange to pale yellow-orange to red, tube-throat 34--50(--56) mm, lobes entire to 2-lobed; anthers included. Fruit: 18--30 mm, splitting at upper suture. Chromosomes: 2n=20.
Ecology: Well-drained, exposed sites; crevices in boulders or rock outcrops in desert areas; Elevation: 7--2440 m. Bioregional Distribution: s CW, SW (incl Santa Cruz, Santa Rosa islands), s DMtns; Distribution Outside California: northern Baja California. Flowering Time: Mar--Jun Note: Included in Mimulus aurantiacus Curtis var. pubescens (Torr.) D.M. Thomps. in TJM2.
Synonyms: Diplacus arachnoideus Greene; Diplacus speciosus Burtt Davy; Mimulus aurantiacus Curtis var. pubescens (Torr.) D.M. Thomps.; Mimulus glutinosus J.C. Wendl. var. brachypus A. Gray; Mimulus longiflorus (Nutt.) A.L. Grant; Mimulus longiflorus var. rutilus A.L. Grant; Diplacus rutilus (A.L. Grant) McMinn.
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]
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Citation for this treatment: Naomi S. Fraga 2018, Diplacus longiflorus, in Jepson Flora Project (eds.) Jepson eFlora, Revision 6, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=23090, accessed on November 14, 2019.

Citation for the whole project: Jepson Flora Project (eds.) 2019, Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on November 14, 2019.

Diplacus longiflorus
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© 2009 Gary A. Monroe
Diplacus longiflorus
click for enlargement
© 2009 Gary A. Monroe
Diplacus longiflorus
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© 2018 Neal Kramer
Diplacus longiflorus
click for enlargement
© 2009 Gary A. Monroe
Diplacus longiflorus
click for enlargement
© 2018 Neal Kramer

More photos of Diplacus longiflorus in CalPhotos



Geographic subdivisions for Diplacus longiflorus:
s CW, SW (incl Santa Cruz, Santa Rosa islands), s DMtns
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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.
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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.
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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.