Flora of North America species comparison

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Diplacus torreyi

Torrey's monkeyflower
Habit Herbs, annual, herbage not drying dark.
Stems

erect, (20–)40–380(–530) mm, glandular-puberulent to glandular-pubescent.
Leaves

usually cauline, gradually reduced distally;

petiole poorly delimited;

blade elliptic or oblanceolate, (3–)6–40(–48) × (0.5–)1–14(–19) mm, margins entire, plane, apex rounded, surfaces: proximals glabrate, distals glandular-puberulent or glandular-pubescent.
Pedicels

1–3(–6) mm in fruit.
Flowers

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

glandular-puberulent.
Corollas

tube magenta, limb magenta to pale rose, rarely nearly white, abaxial lip usually paler, palate ridges yellow, tube-throat (8–)9–18(–20) mm, limb 8–20 mm diam., weakly bilabiate.
Calyces

symmetrically attached to pedicels, not inflated in fruit, (2–)5–10(–12) mm, glandular-puberulent to glandular-pubescent, lobes shallowly triangular to broadly ovate, subequal, apex obtuse, rarely apiculate, ribs purplish.
Capsules

(5–)6–11(–13) mm.
Anthers

included, sometimes slightly ciliate.
Stigmas

included, lobes unequal, abaxial 2 times adaxial.
2n

= 20.

Diplacus torreyi
Phenology Flowering May–Aug.
Habitat Moist sand in channel beds and flood plains, exposed slopes along streams, roadside ditches, serpentine slopes, volcanic outcrop margins, gravelly openings, rocky serpentine soils, ridges in yellow pine and Jeffrey pine forests, openings in yellow pine, lodgepole pine, red fir, and mixed conifer woodlands, chaparral edges, meadows, recent burns, roadsides, road banks.
Elevation (100–)700–2000(–2400) m. ((300–)2300–6600(–7900) ft.)
Distribution
from FNA
CA
[WildflowerSearch map]
Discussion

Diplacus torreyi occurs from Lassen and Shasta counties to Fresno County in the Sierra Nevada and Cascade Range.

Diplacus torreyi is recognized by its erect, usually single-stemmed habit (usually with the proximal one or two internodes elongate), obovate to oblanceolate leaf blades, calyces with membranous walls, thin ribs, and shallowly triangular to broadly ovate lobes, and weakly bilabiate corollas with relatively narrower limbs, usually drying a light color with yellow palate ridges.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 443.
Parent taxa 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. rattanii, D. rupicola, D. rutilus, D. thompsonii, D. traskiae, D. tricolor, D. vandenbergensis, D. viscidus
Synonyms Mimulus torreyi
Name authority (A. Gray) 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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