Flora of North America species comparison

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Diplacus compactus

Diplacus cusickioides

compact monkeyflower, sticky monkeyflower, viscid monkeyflower

Cusick's monkeyflower, Nesom's monkey-flower
Habit Herbs, annual. Herbs, annual.
Stems

erect, 20–280 mm, densely glandular-pubescent and viscid.

erect to erect-ascending, (10–)30–240(–350) mm, distal internodes 1–5 mm, densely glandular-villous.
Leaves

usually cauline, gradually reduced distally;

petiole absent;

blade obovate to narrowly elliptic, 4–40 × 0.7–20 mm, margins entire or serrate, plane, apex obtuse to rounded, surfaces: proximals glabrous abaxially, distals glandular-pubescent.

basal and cauline or usually cauline, relatively even-sized or gradually larger distally;

petiole absent, proximal base short petiole-like, 1–5 mm;

blade ovate to broadly elliptic-ovate, (10–)15–25(–35) × 4–16 mm, margins entire, plane, apex abruptly acuminate, surfaces densely glandular-villous.
Pedicels

1–4(–5) mm in fruit.

1–1.5 mm in fruit.
Flowers

1 per node, chasmogamous.

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

glabrous or sparsely eglandular-puberulent.

puberulent, at least on distal 1/2.
Corollas

lavender to magenta or red with diffuse dark markings on sides of darker tube-throat, lobes dark at base, without radiating dark lines, floor and palate ridges white or yellow fading distally to white, palate ridges and throat ceiling villous-pilose, tube-throat 10–20 mm, limb 8–20 mm diam., not bilabiate.

magenta or rose purple, tube yellow, throat usually yellow, throat and distal tube red-spotted on floor, palate ridges yellow, tube-throat 13–16(–19) mm, limb 14–26 mm diam., bilabiate.
Calyces

symmetrically attached to pedicels, inflated in fruit, 6–10(–12) mm, villous, hairs eglandular, lobes unequal, apex acute to attenuate, ribs and intercostal areas often reddish.

symmetrically attached to pedicels, not inflated in fruit, 7–12 mm, glabrous or minutely stipitate-glandular, lobes unequal, apex linear-acuminate, sharp-pointed, ribs green distally, intercostal areas whitish.
Capsules

6–9 mm.

10–17 mm.
Anthers

included, ciliate.

included, glabrous or sparsely hirsutulous.
Stigmas

included, lobes unequal, abaxial 3–4 times adaxial.

exserted, lobes subequal (herkogamous).
2n

= 16.

Diplacus compactus

Diplacus cusickioides
Phenology Flowering May–Jul. Flowering May–Aug.
Habitat Hillsides, washes, recently burned areas, soil and scree banks, granitic sand, chaparral openings, gray pine-blue oak woodlands. Lava formations, steep slopes, roadsides, volcanic gravels, scree, ash.
Elevation 300–1000 m. (1000–3300 ft.) (400–)600–1500(–2000) m. ((1300–)2000–4900(–6600) ft.)
Distribution
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
from FNA
CA; ID; OR; WA
[WildflowerSearch map]
Discussion

Diplacus cusickioides occurs in western Idaho, eastern Oregon, Klickitat County, Washington, and apparently in a disjunct population system in Modoc County, California, on the east side of the Warner Mountains.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 433. FNA vol. 17, p. 439.
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. 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
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. 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 viscidus var. compactus
Name authority (D. M. Thompson) G. L. Nesom: Phytoneuron 2012-47: 1. (2012) G. L. Nesom: Phytoneuron 2013-65: 6, figs. 3, 4. (2013)
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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