Flora of North America species comparison

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Diplacus tricolor

Diplacus constrictus

tricolor monkeyflower

dense-fruit monkeyflower
Habit Herbs, annual, acaulescent or caulescent. Herbs, annual, herbage usually drying dark.
Stems

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

erect, (10–)20–240(–350) mm, nodes 3–6, internodes 1–6 mm, glandular-villous.
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, relatively even-sized;

petiole indistinct;

blade obovate, oblanceolate, or narrowly elliptic, (3.5–)5–32(–47) × 3–15(–18) mm, margins entire or toothed, plane, apex acute or rounded, surfaces: proximals glabrous, distals glandular-pubescent.
Pedicels

1–3(–5) mm in fruit.

0.5–3(–4) mm in fruit.
Flowers

1 per node, chasmogamous.

2 per node, or 1 or 2 per node on 1 plant, chasmogamous.
Styles

usually glandular-puberulent.

glandular-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 or pinkish to red-purple, throat floor whitish with dark lines or streaks, often yellowish deep inside throat, never at mouth, palate ridges white, tube-throat (10–)13–22(–25) mm, limb 14–23 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–)7–12(–15) mm, glandular-pubescent to glandular-villous, tube strongly plicate, lobes triangular, subequal, apex acute, ribs broad, darkened, blackish, thickened, strongly raised, intercostal areas whitish, membranous.
Capsules

(2–)3–8(–10) mm, indehiscent.

(7–)8–12(–13.5) mm.
Anthers

included, with apical tufts of short, eglandular hairs.

included, ciliate.
Stigmas

nearly exserted, lobes subequal.

included, lobes equal.
2n

= 18.

= 16.

Diplacus tricolor

Diplacus constrictus
Phenology Flowering Mar–Jul(–Aug). Flowering May–Aug.
Habitat Vernally flooded depressions in grasslands, low spots and ditches in and around agricultural fields. Disturbed areas with concentrated runoff from rains on, or just above, verges of roadside banks.
Elevation 50–1500 m. (200–4900 ft.) 800–2100(–2400) m. (2600–6900(–7900) ft.)
Distribution
from FNA
CA; OR
[WildflowerSearch map]
from FNA
CA
[WildflowerSearch 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 constrictus is endemic to Kern, Los Angeles, Tulare, and Ventura counties.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 447. FNA vol. 17, p. 436.
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. 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. tricolor, D. vandenbergensis, D. viscidus
Synonyms Mimulus tricolor Mimulus subsecundus subsp. constrictus, M. constrictus, M. viscidus subsp. constrictus
Name authority (Hartweg ex Lindley) G. L. Nesom: Phytoneuron 2012-39: 30. (2012) (A. L. Grant) 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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