Flora of North America species comparison

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Diplacus graniticola

Diplacus clivicola

granite-crack monkeyflower

bank monkey-flower, north Idaho monkeyflower, slope monkeyflower
Habit Herbs, annual, herbage usually drying dark. Herbs, annual.
Stems

erect, 60–120(–150) mm, nodes 4–15(–20), internodes shorter than leaves, glandular-villous with gland-tipped hairs 1–1.6 mm.

erect, (10–)20–180 mm, glandular-puberulent to short glandular-villous.
Leaves

usually cauline, relatively even-sized;

petiole weakly delimited;

blade usually lanceolate to ovate-lanceolate, 20–40 × 4–12 mm, margins entire, rarely toothed, plane, apex rounded to obtuse or acute, surfaces: proximals often glabrate abaxially, distals glandular-villous.

usually cauline, relatively even-sized;

petiole absent, base sometimes petiole-like;

blade narrowly elliptic, sometimes broadly elliptic to obovate or oblanceolate, (2.5–)6–20(–26) × (1–)2–10(–14) mm, margins crenate to serrulate or entire, plane, apex rounded or acute, surfaces glandular-puberulent.
Pedicels

1–3 mm in fruit.

2–7(–10) mm in fruit.
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.

glandular-puberulent distally.
Corollas

nearly white or pale lavender to pinkish or pale to dark magenta, each lobe with a dark medial line extending nearly to tip, throat with a dark red or purple splotch at junction of each abaxial lobe and adjacent lateral lobe, throat floor sometimes with 2 adjacent white splotches at lateral lobe bases, palate ridges yellow, tube-throat 15–20 mm, limb 10–16 mm diam., bilabiate.

rose pink to purplish, limb often pale, especially abaxial lip, abaxial lip often purple-dotted near base, markings often coalescing and forming broken lines radiating toward each lobe, tube yellow, palate ridges yellow with magenta speckling, confluent and extending onto abaxial lip base, tube-throat (8–)11–12 mm, limb 7–12 mm diam., bilabiate.
Calyces

symmetrically attached to pedicels, not inflated in fruit, 8–12 mm, glandular-villous, tube strongly plicate, lobes triangular, subequal, apex acute, ribs narrow, darkened, blackish, thickened, strongly raised, intercostal areas green to purple, not membranous.

symmetrically attached to pedicels, not inflated in fruit, (5–)7–8 mm, glandular-puberulent, lobes subequal, apex acute, ribs green, intercostal areas whitish.
Capsules

6–10 mm.

8–13 mm.
Anthers

included, ciliate.

included, ciliate.
Stigmas

included, lobes unequal, abaxial 1.5 times adaxial.

exserted, lobes subequal.
2n

= 16.

= 16.

Diplacus graniticola

Diplacus clivicola
Phenology Flowering Apr–Sep. Flowering May–Aug.
Habitat Granite cracks and crevices. Bluffs, disturbed slopes, well-developed loam soils, vegetation openings.
Elevation 300–2100 m. (1000–6900 ft.) 500–1200(–2000) m. (1600–3900(–6600) ft.)
Distribution
from FNA
CA
[WildflowerSearch map]
from FNA
ID; MT; OR
[WildflowerSearch map]
Discussion

Diplacus graniticola occurs in the Sierra Nevada from Tuolumne County to northern Tulare County. These plants previously were identified within D. layneae, with which they are partially sympatric; where these two occur together, D. layneae often grows in granite-derived sand and gravel immediately adjacent to the granite rock habitat of D. graniticola.

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

Diplacus clivicola is known from northern Idaho and immediately adjacent Montana and Oregon. It is similar to typical D. nanus in its strongly bilabiate corollas; it differs in its slightly toothed leaf blade margins, relatively long pedicels, and calyces with cuneate bases.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 438. FNA vol. 17, p. 438.
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. 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
D. angustatus, D. aridus, D. aurantiacus, D. bicolor, D. bigelovii, D. bolanderi, D. brandegeei, D. brevipes, D. calycinus, D. cascadensis, D. clevelandii, 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 clivicola
Name authority Schoenig: Phytoneuron 2017-24: 1, figs. 1, 3–10. (2017) (Greenman) 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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