Flora of North America species comparison

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Diplacus viscidus

Diplacus brevipes

sticky monkeyflower, viscid monkeyflower

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

erect, (30–)60–370 mm, densely glandular-pubescent with viscid hairs.

erect, (25–)50–800(–1000) mm, usually glandular-puberulent or glandular-pubescent, viscid.
Leaves

usually cauline, relatively even-sized or largest proximally and gradually reduced distally;

petiole absent;

blade obovate to narrowly elliptic, (4–)8–54(–70) × (2–)3–23 mm, margins entire or serrate, plane, apex obtuse to rounded, surfaces: proximals glabrous abaxially, distals glandular-pubescent.

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

1–4(–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

glandular-puberulent.

glandular-puberulent.
Corollas

lavender to magenta with diffuse dark markings on sides of darker tube-throat and with dark red-purple midveins on lobes extending from throat, lobes not dark at base, floor white or yellow, fading to white at mouth, palate ridges white or yellow fading to white distally, throat ceiling glabrous, tube-throat 10–20 mm, limb 8–20 mm diam., not bilabiate.

yellow, usually with reddish brown spots, palate ridges yellow, tube-throat (10–)15–30(–34) mm, limb 11–30 mm diam., not bilabiate.
Calyces

symmetrically attached to pedicels, inflated in fruit, (7–)8–15 mm, villous, hairs eglandular, lobes subequal, apex acute to attenuate, ribs and intercostal areas often reddish.

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

7–11 mm.

(7–)8–14(–17) mm.
Anthers

included, ciliate.

included, glabrous.
Stigmas

included, lobes unequal, abaxial 1.5 times adaxial.

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

= 16.

= 16.

Diplacus viscidus

Diplacus brevipes
Phenology Flowering Apr–Jul. Flowering Apr–Jul.
Habitat Chaparral clearings and openings. Openings in chaparral or coastal sage scrub, recently burned or mechanically disturbed areas.
Elevation 90–1300 m. (300–4300 ft.) 30–1800(–2200) m. (100–5900(–7200) ft.)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; Mexico (Baja California)
[WildflowerSearch map]
Discussion

D. M. Thompson (2005) noted that Diplacus viscidus and D. compactus (as Mimulus viscidus var. compactus) are parapatric and may intergrade in central Mariposa County. The two taxa are distinguished by the presence or absence of dark stripes on the corolla lobe midveins, which are evident even on herbarium specimens. Thompson found that the two remained distinct when grown together in the greenhouse.

Diplacus viscidus is known from Amador, Calaveras, Eldorado, Mariposa, Merced, and Tuolumne counties; D. compactus continues south through Fresno, northern Kern, Madera, Mariposa, and Tulare counties.

(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. 432. 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. tricolor, D. vandenbergensis
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 viscidus, M. fremontii var. viscidus, M. subsecundus var. viscidus Mimulus brevipes
Name authority (Congdon) G. L. Nesom: Phytoneuron 2012-39: 29. (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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