Flora of North America species comparison

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Diplacus tricolor

Diplacus fremontii

tricolor monkeyflower

Fremont's monkeyflower, Frémont's monkeyflower
Habit Herbs, annual, acaulescent or caulescent. Herbs, annual.
Stems

erect or ascending, 10–140(–170) mm, densely glandular-puberulent.

erect, 10–200(–240) mm, glandular-puberulent or glandular-pubescent.
Leaves

basal densely clustered;

petiole absent;

blade narrowly elliptic to oblanceolate, (5–)8–45(–60) × (1–)3–12(–20) mm, margins entire, sometimes toothed, plane, not ciliate, apex obtuse, surfaces glandular-puberulent.

basal and cauline, basal in rosette, cauline reduced distally;

petiole absent;

blade narrowly elliptic, sometimes obovate to oblanceolate, 2–30(–55) × 1–10(–16) mm, margins entire, sometimes crenate to serrate, plane, apex rounded to acute, surfaces: proximals glabrous, distals glandular-puberulent or glandular-pubescent.
Pedicels

1–3(–5) mm in fruit.

1–4(–7 on proximal) mm in fruit.
Flowers

1 per node, chasmogamous.

1 per node, chasmogamous.
Styles

usually glandular-puberulent.

minutely puberulent.
Corollas

tricolored, limb and throat magenta to purple, each lobe with a discrete, dark maroon-purple blotch at base, all 3 blotches of abaxial lip round and not usually extending into throat, palate ridges yellow, flanked with white, sometimes purple-spotted, tube-throat (13–)15–50 mm, limb 7–21 mm diam., bilabiate, lobes equal.

magenta to dark reddish purple, throat often darker near mouth, palate ridges yellow at mouth, throat floor glabrous or minutely puberulent, tube-throat 9–23 mm, limb 8–26 mm diam., not bilabiate.
Calyces

slightly asymmetrically attached to pedicel, not inflated in fruit, (6–)11–23 mm, densely glandular-puberulent, lobes subequal, apex obtuse, ribs often purplish proximally, intercostal areas whitish.

symmetrically attached to pedicels, inflated in fruit, 5–14 mm, glandular-puberulent to glandular-pubescent or ribs almost tomentose and viscid, lobes subequal, apex rounded and apiculate or acute, intercostal areas white.
Capsules

(2–)3–8(–10) mm, indehiscent.

6.5–13(–14) mm.
Anthers

included, with apical tufts of short, eglandular hairs.

included, glabrous, rarely minutely puberulent.
Stigmas

nearly exserted, lobes subequal.

included, lobes subequal.
2n

= 18.

= 16.

Diplacus tricolor

Diplacus fremontii
Phenology Flowering Mar–Jul(–Aug). Flowering Mar–Jun.
Habitat Vernally flooded depressions in grasslands, low spots and ditches in and around agricultural fields. Soft, sandy soils along washes, flood plains, areas of water runoff, sandy hilltops and flats.
Elevation 50–1500 m. (200–4900 ft.) 100–2100 m. (300–6900 ft.)
Distribution
from FNA
CA; OR
[WildflowerSearch map]
from FNA
CA; Mexico (Baja California)
[WildflowerSearch map]
[BONAP county map]
Discussion

Diplacus tricolor occurs in northwestern and south-central Oregon and from there across a disjunction to central California as far as Kern County.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Diplacus fremontii occurs from Monterey and San Benito counties south to San Diego County, east to Kern County and adjacent Inyo County, and in Baja California.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 447. FNA vol. 17, p. 431.
Parent taxa Phrymaceae > Diplacus Phrymaceae > Diplacus
Sibling taxa
D. angustatus, D. aridus, D. aurantiacus, D. bicolor, D. bigelovii, D. bolanderi, D. brandegeei, D. brevipes, D. calycinus, D. cascadensis, D. clevelandii, D. clivicola, D. compactus, D. congdonii, D. constrictus, D. cusickii, D. cusickioides, D. deschutesensis, D. douglasii, D. fremontii, D. grandiflorus, D. graniticola, D. jepsonii, D. johnstonii, D. kelloggii, D. layneae, D. leptaleus, D. linearis, D. longiflorus, D. mephiticus, D. mohavensis, D. nanus, D. ovatus, D. parryi, D. parviflorus, D. pictus, D. pulchellus, D. puniceus, D. pygmaeus, D. rattanii, D. rupicola, D. rutilus, D. thompsonii, D. torreyi, D. traskiae, D. vandenbergensis, D. viscidus
D. angustatus, D. aridus, D. aurantiacus, D. bicolor, D. bigelovii, D. bolanderi, D. brandegeei, D. brevipes, D. calycinus, D. cascadensis, D. clevelandii, D. clivicola, D. compactus, D. congdonii, D. constrictus, D. cusickii, D. cusickioides, D. deschutesensis, D. douglasii, D. grandiflorus, D. graniticola, D. jepsonii, D. johnstonii, D. kelloggii, D. layneae, D. leptaleus, D. linearis, D. longiflorus, D. mephiticus, D. mohavensis, D. nanus, D. ovatus, D. parryi, D. parviflorus, D. pictus, D. pulchellus, D. puniceus, D. pygmaeus, D. rattanii, D. rupicola, D. rutilus, D. thompsonii, D. torreyi, D. traskiae, D. tricolor, D. vandenbergensis, D. viscidus
Synonyms Mimulus tricolor Eunanus fremontii, Mimulus fremontii, M. subsecundus
Name authority (Hartweg ex Lindley) G. L. Nesom: Phytoneuron 2012-39: 30. (2012) (Bentham) G. L. Nesom: Phytoneuron 2012-39: 28. (2012)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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