Flora of North America species comparison

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Diplacus nanus

Diplacus kelloggii

dwarf monkey flower, dwarf purple monkey-flower, purple monkeyflower

Kellogg's monkeyflower
Habit Herbs, annual. Herbs, annual.
Stems

erect, 30–120 mm, minutely glandular-puberulent.

erect to ascending, 10–310(–370) mm, glandular-puberulent and/or glandular-pubescent.
Leaves

basal and cauline, relatively even-sized;

petiole absent;

blade narrowly elliptic to oblanceolate, ovate, obovate, or elliptic-lanceolate, (1–)3–30(–50) × (0.4–)0.7–8(–20) mm, margins entire, plane, apex rounded or obtuse, surfaces minutely glandular-puberulent.

usually basal, sometimes basal and cauline, relatively even-sized;

petiole absent, larger with petiole-like extension;

blade obovate to elliptic, (4–)6–40(–52) × (2–)3–17(–26) mm, margins entire or crenate, plane, apex obtuse, surfaces often pubescent.
Pedicels

1–3 mm in fruit.

2–6(–10) mm in fruit, usually twisting to invert calyx.
Flowers

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

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

glandular-puberulent or glandular-pubescent.

densely glandular-puberulent distally.
Corollas

magenta to purplish, dark line often extending onto each abaxial lip lobe from throat, palate ridges yellow with red-purple speckling and border, throat floor villous with hairs extending onto abaxial lip, tube 1.1–1.9 mm diam. at filament insertion, tube-throat 11–15 mm, limb 8–14 mm diam., usually, rarely not, bilabiate.

throat dark purple, golden yellow at base with reddish speckling, limb magenta to reddish purple, lateral adaxial lobes each with a dark purple basal spot, palate ridges golden yellow, tube-throat (13–)20–45(–50) mm, limb 10–18 mm diam., bilabiate, abaxial lip smaller than adaxial.
Calyces

symmetrically attached to pedicels, not inflated in fruit, 6–9 mm, minutely glandular-puberulent, lobes subequal, apex acute-apiculate, acuminate, or attenuate, ribs dark green or reddish, intercostal areas whitish.

distinctly asymmetrically attached to pedicel, not inflated in fruit, (7–)8–16(–17) mm, densely glandular-puberulent or glandular-pubescent, lobes subequal, apex obtuse, ribs purplish, intercostal areas whitish.
Capsules

8–12 mm.

6–12(–13) mm, indehiscent.
Anthers

included or exserted, ciliate.

(distal pair) exserted, glabrous.
Stigmas

exserted, lobes equal.

exserted, lobes unequal, abaxial 4–5 times adaxial.
2n

= 16.

= 18.

Diplacus nanus

Diplacus kelloggii
Phenology Flowering (Apr–)May–Jul. Flowering Mar–Jun.
Habitat Openings in sagebrush, disturbed slopes, granite outcrops. Near water runoff areas, away from seeps or other areas with prolonged moisture.
Elevation (300–)1100–2300(–2900) m. ((1000–)3600–7500(–9500) ft.) 50–1500 m. (200–4900 ft.)
Distribution
from FNA
CA; ID; MT; NV; OR; WA; WY
[WildflowerSearch map]
from FNA
CA; OR
[WildflowerSearch map]
Discussion

Diplacus nanus is broadly distributed through northern California, southern Idaho, and eastern Oregon, with stations in Ravalli County, Montana, and Park County, Wyoming, and scattered localities in Washington.

Diplacus nanus is generally recognized by its strongly bilabiate corollas with purplish (not yellow) tubes and two dark purple patches along the sides of the throats. The glandular-puberulent vestiture of D. nanus contrasts with the glandular-pubescent and viscid-villous vestiture (with hairs much longer) of D. mephiticus.

W. L. Ezell (1971) noted that in the Siskiyou Mountains of Josephine County, Oregon, and adjacent Siskiyou and Trinity counties, California, corollas of Diplacus nanus do not have clearly differentiated abaxial and adaxial lips.

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

Diplacus kelloggii occurs in southwestern Oregon and broadly in northern California.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 440. FNA vol. 17, p. 445.
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. 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
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. 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 nanus, M. tolmiei Eunanus kelloggii, Mimulus kelloggii
Name authority (Hooker & Arnott) G. L. Nesom: Phytoneuron 2012-39: 29. (2012) (Curran ex Greene) G. L. Nesom: Phytoneuron 2012-39: 32. (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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