Flora of North America species comparison

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Diplacus rattanii

Diplacus parryi

Rattan's monkeyflower

annual redspot monkeyflower, Parry's monkeyflower
Habit Herbs, annual. Herbs, annual.
Stems

erect, 10–180(–230) mm, densely glandular-pubescent and viscid.

erect, 10–120(–170) mm, finely and minutely glandular-puberulent.
Leaves

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

petiole absent;

blade obovate to narrowly elliptic, 3–46(–70) × 1–20(–25) mm, margins entire or crenate, plane, apex rounded or obtuse, surfaces: proximals glabrate, distals glandular-pubescent and viscid.

usually cauline, relatively even-sized;

petiole absent;

blade narrowly elliptic to sublinear or oblanceolate, sometimes obovate, (5–)8–25(–31) × (1–)2–9(–12) mm, margins entire, plane, not ciliate, apex: proximals usually rounded, distals usually acute, surfaces glandular-puberulent.
Pedicels

1–3(–6) mm in fruit.

(1.5–)2–4(–9) mm in fruit.
Flowers

1 per node, chasmogamous.

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

eglandular-puberulent.

glandular-puberulent.
Corollas

pink to magenta, throat floor with 3 dark purple lines meeting abaxial lip lobes, palate ridges yellow, tube-throat 7–10 mm, limb 4–7 mm diam., not bilabiate.

of 2 color forms: (a) magenta, ± deepening at mouth, usually with 6–8 darker spots in arc on abaxial lip around mouth, throat floor yellow to whitish with reddish speckling and (b) yellow with 6–8 narrow reddish spots or lines in arc on abaxial lip around mouth and reddish speckling on throat floor, palate ridges yellow extending onto lip, tube-throat (10–)12–18(–20) mm, limb 11–17.5(–20) mm diam., not bilabiate.
Calyces

symmetrically attached to pedicels, inflated in fruit, 5–10 mm, glandular-pubescent and viscid, lobes subequal, apex obtuse, often apiculate, ribs dark green to purplish, intercostal areas whitish.

symmetrically attached to pedicels, not inflated in fruit, (5–)7–12(–13) mm, glandular-puberulent, lobes unequal, adaxial longer, apex broadly rounded to acute, often apiculate, ribs often dark purple, intercostal areas purplish or white.
Capsules

7–11(–12) mm.

(5.5–)6.5–10.5 mm.
Anthers

nearly exserted, glabrous.

included, glabrous.
Stigmas

nearly exserted, lobes unequal, abaxial 5–7 times adaxial.

included, lobes equal.
2n

= 16.

= 16.

Diplacus rattanii

Diplacus parryi
Phenology Flowering Apr–Jul. Flowering Apr–Jun(–Jul).
Habitat Recently burned or cleared areas, sandhills, sandstone outcrops, sandy gravel and loam, decomposed granite, serpentine-derived soils, open chaparral, chaparral margins, open yellow pine-manzanita woodlands. Banks, gravel bars, washes, sandy ravines, rocky hillsides, ledges and bases of limestone ledges and boulders, clay loam-basalt, bare areas, often with Coleogyne and Larrea, sagebrush and pinyon-juniper.
Elevation 300–1300 m. (1000–4300 ft.) (600–)800–1700(–2200) m. ((2000–)2600–5600(–7200) ft.)
Distribution
from FNA
CA
[WildflowerSearch map]
from FNA
AZ; CA; NV; UT
[WildflowerSearch map]
Discussion

Diplacus rattanii occurs mostly in near-coastal localities from Glenn and Lake counties south to Ventura County.

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

Diplacus parryi has a limited range, primarily in the Mohave Desert in four states: Arizona (Mohave County), California (Inyo County, where apparently disjunct, in pinyon-juniper woodlands, and at higher than typical elevation), Nevada (Clark and Lincoln counties), and Utah (Washington County). The glandular-puberulent vestiture and unequal calyx lobes are diagnostic.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 432. FNA vol. 17, p. 442.
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. rupicola, D. rutilus, D. thompsonii, D. torreyi, D. traskiae, D. tricolor, 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. 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. 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 rattanii, M. rattanii subsp. decurtatus Mimulus parryi, M. spissus var. lincolnensis
Name authority (A. Gray) G. L. Nesom: Phytoneuron 2012-39: 29. (2012) (A. Gray) G. L. Nesom & N. S. Fraga: Phytoneuron 2012-39: 27. (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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