Flora of North America species comparison

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Diplacus tricolor

Diplacus traskiae

tricolor monkeyflower

Santa Catalina Island monkeyflower
Habit Herbs, annual, acaulescent or caulescent. Herbs, annual.
Stems

erect or ascending, 10–140(–170) mm, densely glandular-puberulent.

erect, 80–120 mm, glandular-pubescent.
Leaves

basal densely clustered;

petiole absent;

blade narrowly elliptic to oblanceolate, (5–)8–45(–60) × (1–)3–12(–20) mm, margins entire, sometimes toothed, plane, not ciliate, apex obtuse, surfaces glandular-puberulent.

cauline, nearly even-sized or enlarging distally;

petiole absent or with petiole-like extension;

blade ovate to obovate, 12–41 × 5–21 mm, margins entire or crenate, plane, usually ciliate proximally, apex obtuse, surfaces glandular-pubescent.
Pedicels

1–3(–5) mm in fruit.

3–5 mm in fruit.
Flowers

1 per node, chasmogamous.

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

usually glandular-puberulent.

puberulent distally.
Corollas

tricolored, limb and throat magenta to purple, each lobe with a discrete, dark maroon-purple blotch at base, all 3 blotches of abaxial lip round and not usually extending into throat, palate ridges yellow, flanked with white, sometimes purple-spotted, tube-throat (13–)15–50 mm, limb 7–21 mm diam., bilabiate, lobes equal.

throat magenta, abaxial lip magenta, adaxial lip whitish, palate ridges not seen, tube-throat 20–23 mm, limb 4–5 mm diam., bilabiate, lobes of abaxial lip smaller than adaxial.
Calyces

slightly asymmetrically attached to pedicel, not inflated in fruit, (6–)11–23 mm, densely glandular-puberulent, lobes subequal, apex obtuse, ribs often purplish proximally, intercostal areas whitish.

distinctly asymmetrically attached to pedicel, not inflated in fruit, 18–21 mm, glandular-pubescent, lobes subequal, apex acute, ribs usually green, intercostal areas whitish.
Capsules

(2–)3–8(–10) mm, indehiscent.

not seen.
Anthers

included, with apical tufts of short, eglandular hairs.

(distal pair) nearly exserted, glabrous.
Stigmas

nearly exserted, lobes subequal.

exserted, lobes unequal, abaxial 6–8 times adaxial.
2n

= 18.

Diplacus tricolor

Diplacus traskiae
Phenology Flowering Mar–Jul(–Aug). Flowering Mar–Apr.
Habitat Vernally flooded depressions in grasslands, low spots and ditches in and around agricultural fields. Rocky, brushy slopes.
Elevation 50–1500 m. (200–4900 ft.) 0–100 m. (0–300 ft.)
Distribution
from FNA
CA; OR
[WildflowerSearch map]
from FNA
CA
Discussion

Diplacus tricolor occurs in northwestern and south-central Oregon and from there across a disjunction to central California as far as Kern County.

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

Diplacus traskiae is known only from Santa Catalina Island. According to the California Native Plant Society Online Inventory of Rare and Endangered Plants, ed. 8 (http://www.cnps.org/cnps/rareplants/inventory/), it (as Mimulus traskiae) is possibly extirpated.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 447. 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. 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. 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. pygmaeus, D. rattanii, D. rupicola, D. rutilus, D. thompsonii, D. torreyi, D. tricolor, D. vandenbergensis, D. viscidus
Synonyms Mimulus tricolor Mimulus traskiae
Name authority (Hartweg ex Lindley) G. L. Nesom: Phytoneuron 2012-39: 30. (2012) (A. L. Grant) 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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