Flora of North America species comparison

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Diplacus graniticola

Diplacus pygmaeus

granite-crack monkeyflower

Egg Lake monkeyflower, pygmy monkeyflower
Habit Herbs, annual, herbage usually drying dark. Herbs, annual, usually acaulescent.
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, 5–12(–20) mm, glandular-puberulent.
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.

basal or basal and cauline, relatively even-sized;

petiole absent;

blade narrowly elliptic to oblanceolate, 2–15 × 0.5–3.5 mm, margins entire or toothed, plane, proximal 1/2 usually ciliate, apex rounded, surfaces glandular-puberulent.
Pedicels

1–3 mm in fruit.

0–1 mm in fruit.
Flowers

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

1 per node, usually 1–5 per plant, chasmogamous.
Styles

glandular-puberulent.

sparsely 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.

throat, limb, and palate ridges yellow, central abaxial lobe and throat floor sparsely red-spotted, tube-throat 5–10 mm, limb 2–5 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.

slightly asymmetrically attached to pedicel, inflated in fruit, 3.5–8 mm, glandular-puberulent, lobes subequal, apex rounded, ribs reddish purple, intercostal areas white.
Capsules

6–10 mm.

2–4 mm, indehiscent.
Anthers

included, ciliate.

included, glabrous.
Stigmas

included, lobes unequal, abaxial 1.5 times adaxial.

usually exserted, lobes subequal.
2n

= 16.

= 20.

Diplacus graniticola

Diplacus pygmaeus
Phenology Flowering Apr–Sep. Flowering May–Jun.
Habitat Granite cracks and crevices. Vernally flooded swales, mud flats flanking streams, stream banks, low spots in meadows.
Elevation 300–2100 m. (1000–6900 ft.) 1100–1800 m. (3600–5900 ft.)
Distribution
from FNA
CA
[WildflowerSearch map]
from FNA
CA; 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 pygmaeus occurs in northeastern California and south-central Oregon.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 438. 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. 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. 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. rattanii, D. rupicola, D. rutilus, D. thompsonii, D. torreyi, D. traskiae, D. tricolor, D. vandenbergensis, D. viscidus
Synonyms Mimulus pygmaeus
Name authority Schoenig: Phytoneuron 2017-24: 1, figs. 1, 3–10. (2017) (A. L. Grant) G. L. Nesom: Phytoneuron 2012-39: 30. (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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