Flora of North America species comparison

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Diplacus aurantiacus

Diplacus compactus

bush monkeyflower, orange bush monkey-flower, red bush monkeyflower, sticky monkey-flower

compact monkeyflower, sticky monkeyflower, viscid monkeyflower
Habit Subshrubs or shrubs. Herbs, annual.
Stems

erect to ascending, 500–1200(–1500) mm, minutely hirtellous-hirsutulous and minutely stipitate-glandular.

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

usually cauline, relatively even-sized;

petiole absent or indistinct;

blade narrowly oblong to narrowly elliptic-lanceolate proximally to lanceolate to elliptic-lanceolate or elliptic distally, 15–60(–75) × 2–20 mm, margins entire or shallowly serrate, plane or revolute, apex obtuse to rounded, surfaces glabrous or abaxial sparsely to densely hairy, hairs branched, adaxial usually without unbranched hairs.

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.
Pedicels

4–13 mm in fruit.

1–4(–5) mm in fruit.
Flowers

2(–4) per node, chasmogamous.

1 per node, chasmogamous.
Styles

sparsely glandular.

glabrous or sparsely eglandular-puberulent.
Corollas

yellow-orange to orange, not spotted or striped, palate ridges yellow to golden yellow or orange, tube-throat 25–30 mm, limb 20–30 mm diam., bilabiate to nearly rotate, lobes oblong, apex of adaxial 2 each shallowly, asymmetrically incised.

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.
Calyces

not inflated in fruit, 18–30 mm, glabrous or minutely hirtellous and/or minutely stipitate-glandular, tube slightly dilated distally, lobes subequal to unequal, apex acute, ribs green, intercostal areas light green.

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.
Capsules

18–31 mm.

6–9 mm.
Anthers

exserted (at throat), glabrous.

included, ciliate.
Stigmas

exserted, lobes equal.

included, lobes unequal, abaxial 3–4 times adaxial.
2n

= 20.

= 16.

Diplacus aurantiacus

Diplacus compactus
Phenology Flowering Apr–Aug. Flowering May–Jul.
Habitat Sand dunes and bluffs, dry hillsides, grassy slopes, road banks, stream banks, basaltic knolls, rocky slopes and outcrops, open pine forests, coastal scrub. Hillsides, washes, recently burned areas, soil and scree banks, granitic sand, chaparral openings, gray pine-blue oak woodlands.
Elevation 0–700(–1000) m. (0–2300(–3300) ft.) 300–1000 m. (1000–3300 ft.)
Distribution
from FNA
CA; OR
[WildflowerSearch map]
[BONAP county map]
from FNA
CA
[WildflowerSearch map]
[BONAP county map]
Discussion

Diplacus aurantiacus occurs from southwestern Oregon (Curry County) southward to Santa Barbara County, California.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 17, p. 449. FNA vol. 17, p. 433.
Parent taxa Phrymaceae > Diplacus Phrymaceae > Diplacus
Sibling taxa
D. angustatus, D. aridus, 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. 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. 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 aurantiacus, D. glutinosus, D. glutinosus var. aurantiacus, M. glutinosus Mimulus viscidus var. compactus
Name authority (Curtis) Jepson: Man. Fl. Pl. Calif., 919. (1925) (D. M. Thompson) G. L. Nesom: Phytoneuron 2012-47: 1. (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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