Flora of North America species comparison

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Diplacus layneae

Diplacus kelloggii

Layne's monkeyflower

Kellogg's monkeyflower
Habit Herbs, annual, herbage usually drying dark. Herbs, annual.
Stems

erect, 30–160(–300) mm, nodes 3–6, glandular-puberulent to glandular-pubescent, hairs 0.2–0.8 mm.

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

usually cauline, relatively even-sized;

petiole weakly delimited;

blade elliptic to narrowly elliptic, oblanceolate, elliptic-oblanceolate, or elliptic-lanceolate, 8–27(–35) × 2–8 mm, margins entire, rarely toothed, plane, apex rounded to obtuse, surfaces: proximals often glabrate, distals glandular-puberulent or glandular-pubescent.

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

2–4(–5) 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.

densely glandular-puberulent distally.
Corollas

pinkish or pale to dark magenta or red-purple, each lobe usually with a faint to dark medial line extending 1/2 or less to tip, throat floor yellowish near base, mostly white with red-purple dots near mouth, palate ridges white, tube-throat 10–15 mm, limb (8–)10–16 mm diam., 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, (5–)6–8(–9) mm, glandular-puberulent to glandular-pubescent, tube strongly plicate, lobes triangular, subequal, apex acute, ribs broad, darkened, blackish, thickened, strongly raised, intercostal areas whitish, membranous.

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

6–10(–13) mm.

6–12(–13) mm, indehiscent.
Anthers

included, ciliate.

(distal pair) exserted, glabrous.
Stigmas

included, lobes unequal, abaxial 1.5 times adaxial.

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

= 16.

= 18.

Diplacus layneae

Diplacus kelloggii
Phenology Flowering May–Aug. Flowering Mar–Jun.
Habitat Road banks, serpentine, granitic sand, red clay, lava beds and volcanic soils, openings in chaparral, shallow dry streambeds or stream banks, burned or otherwise disturbed open areas. Near water runoff areas, away from seeps or other areas with prolonged moisture.
Elevation (100–)400–2400 m. ((300–)1300–7900 ft.) 50–1500 m. (200–4900 ft.)
Distribution
from FNA
CA
[WildflowerSearch map]
from FNA
CA; OR
[WildflowerSearch map]
Discussion

D. M. Thompson (2005) observed that two forms of Diplacus layneae co-occur from the Yosemite National Park area southward; one of these is recognized here as D. graniticola.

(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. 437. 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. 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
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 Eunanus layneae, Mimulus brachiatus, M. layneae Eunanus kelloggii, Mimulus kelloggii
Name authority (Greene) 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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