Flora of North America species comparison

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Diplacus tricolor

Diplacus brevipes

tricolor monkeyflower

wide throated yellow monkeyflower, wide-throat yellow monkeyflower
Habit Herbs, annual, acaulescent or caulescent. Herbs, annual.
Stems

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

erect, (25–)50–800(–1000) mm, usually glandular-puberulent or glandular-pubescent, viscid.
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 usually in rosette, cauline gradually reduced distally;

petiole often present proximally, usually absent distally;

blade linear-lanceolate, elliptic, narrowly oblanceolate, or lanceolate, sometimes ovate or obovate, 7–90(–125) × 1–40(–48) mm, margins serrate or entire, plane, apex rounded to acute, surfaces: proximals glabrate, distals glandular-puberulent or glandular-pubescent.
Pedicels

1–3(–5) mm in fruit.

2–10(–17 at proximalmost node) 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.

yellow, usually with reddish brown spots, palate ridges yellow, tube-throat (10–)15–30(–34) mm, limb 11–30 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.

inflated in fruit, (7–)10–25(–31) mm, glandular-pubescent and viscid, lobes unequal, apex acute to acuminate, ribs green, sometimes purplish, intercostal areas white.
Capsules

(2–)3–8(–10) mm, indehiscent.

(7–)8–14(–17) mm.
Anthers

included, with apical tufts of short, eglandular hairs.

included, glabrous.
Stigmas

nearly exserted, lobes subequal.

included, lobe unequal, abaxial 1.5–2 times adaxial.
2n

= 18.

= 16.

Diplacus tricolor

Diplacus brevipes
Phenology Flowering Mar–Jul(–Aug). Flowering Apr–Jul.
Habitat Vernally flooded depressions in grasslands, low spots and ditches in and around agricultural fields. Openings in chaparral or coastal sage scrub, recently burned or mechanically disturbed areas.
Elevation 50–1500 m. (200–4900 ft.) 30–1800(–2200) m. (100–5900(–7200) ft.)
Distribution
from FNA
CA; OR
[WildflowerSearch map]
from FNA
CA; Mexico (Baja California)
[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 brevipes occurs in the southern quarter of California. It is distinctive in its relatively large, yellow corollas, linear-lanceolate leaves, and relatively long internodes.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 447. FNA vol. 17, p. 434.
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. 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. tricolor, D. vandenbergensis, D. viscidus
Synonyms Mimulus tricolor Mimulus brevipes
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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