Flora of North America species comparison

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Diplacus rattanii

Diplacus brandegeei

Rattan's monkeyflower

Santa Cruz Island monkeyflower, Santa Cruz Island or broadleaf monkeyflower
Habit Herbs, annual. Herbs, annual.
Stems

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

erect, 10–100 mm, glandular-puberulent to glandular-pubescent.
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.

mostly cauline, relatively even-sized;

petiole absent, larger with petiole-like extension;

blade narrowly to broadly ovate to broadly elliptic, (4–)8–39 × (2–)4–23 mm, margins entire or crenate, plane, proximal 1/2 usually ciliate, apex obtuse, surfaces glandular-pubescent.
Pedicels

1–3(–6) mm in fruit.

1.5–4 mm in fruit, not twisting to invert calyx.
Flowers

1 per node, chasmogamous.

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

eglandular-puberulent.

pubescent distally.
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.

throat magenta, golden yellow at base, limb magenta, palate ridges golden yellow, purple-speckled, tube-throat 12–19 mm, limb 5–11 mm diam., bilabiate, abaxial lip smaller than adaxial.
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.

distinctly asymmetrically attached to pedicel, inflated in fruit, 8–13 mm, glandular-pubescent, lobes subequal, apex obtuse, ribs green, intercostal areas pale green to whitish.
Capsules

7–11(–12) mm.

(5–)6–11 mm, indehiscent.
Anthers

nearly exserted, glabrous.

(distal pair) nearly exserted, glabrous.
Stigmas

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

exserted, lobes unequal, abaxial 3–4 times adaxial.
2n

= 16.

Diplacus rattanii

Diplacus brandegeei
Phenology Flowering Apr–Jul. Flowering Mar–Apr(–May).
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. Rocky, brushy slopes.
Elevation 300–1300 m. (1000–4300 ft.) 100–300 m. (300–1000 ft.)
Distribution
from FNA
CA
[WildflowerSearch map]
from FNA
CA; Mexico (Baja California)
[BONAP county 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 brandegeei is known only from Santa Catalina (Los Angeles County), Santa Cruz (Santa Barbara County), and Guadalupe (Baja California) islands. The earliest name for the species, Mimulus latifolius A. Gray, was first transferred to Diplacus as D. latifolius (A. Gray) G. L. Nesom, but that name is a later homonym of D. latifolius Nuttall.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 432. FNA vol. 17, p. 446.
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. 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. viscidus
Synonyms Mimulus rattanii, M. rattanii subsp. decurtatus Mimulus brandegeei, M. latifolius
Name authority (A. Gray) G. L. Nesom: Phytoneuron 2012-39: 29. (2012) (Pennell) G. L. Nesom: Phytoneuron 2012-54: 1. (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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