Flora of North America species comparison

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Diplacus rattanii

Diplacus aurantiacus

Rattan's monkeyflower

bush monkeyflower, orange bush monkey-flower, red bush monkeyflower, sticky monkey-flower
Habit Herbs, annual. Subshrubs or shrubs.
Stems

erect, 10–180(–230) mm, densely glandular-pubescent and viscid.

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

basal and cauline, basal in rosette, cauline gradually reduced distally;

petiole absent;

blade obovate to narrowly elliptic, 3–46(–70) × 1–20(–25) mm, margins entire or crenate, plane, apex rounded or obtuse, surfaces: proximals glabrate, distals glandular-pubescent and viscid.

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.
Pedicels

1–3(–6) mm in fruit.

4–13 mm in fruit.
Flowers

1 per node, chasmogamous.

2(–4) per node, chasmogamous.
Styles

eglandular-puberulent.

sparsely glandular.
Corollas

pink to magenta, throat floor with 3 dark purple lines meeting abaxial lip lobes, palate ridges yellow, tube-throat 7–10 mm, limb 4–7 mm diam., not bilabiate.

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.
Calyces

symmetrically attached to pedicels, inflated in fruit, 5–10 mm, glandular-pubescent and viscid, lobes subequal, apex obtuse, often apiculate, ribs dark green to purplish, intercostal areas whitish.

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.
Capsules

7–11(–12) mm.

18–31 mm.
Anthers

nearly exserted, glabrous.

exserted (at throat), glabrous.
Stigmas

nearly exserted, lobes unequal, abaxial 5–7 times adaxial.

exserted, lobes equal.
2n

= 16.

= 20.

Diplacus rattanii

Diplacus aurantiacus
Phenology Flowering Apr–Jul. Flowering Apr–Aug.
Habitat Recently burned or cleared areas, sandhills, sandstone outcrops, sandy gravel and loam, decomposed granite, serpentine-derived soils, open chaparral, chaparral margins, open yellow pine-manzanita woodlands. Sand dunes and bluffs, dry hillsides, grassy slopes, road banks, stream banks, basaltic knolls, rocky slopes and outcrops, open pine forests, coastal scrub.
Elevation 300–1300 m. (1000–4300 ft.) 0–700(–1000) m. (0–2300(–3300) ft.)
Distribution
from FNA
CA
[WildflowerSearch map]
from FNA
CA; OR
[WildflowerSearch map]
[BONAP county map]
Discussion

Diplacus rattanii occurs mostly in near-coastal localities from Glenn and Lake counties south to Ventura County.

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

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. 432. FNA vol. 17, p. 449.
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. rupicola, D. rutilus, D. thompsonii, D. torreyi, D. traskiae, D. tricolor, D. vandenbergensis, D. viscidus
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
Synonyms Mimulus rattanii, M. rattanii subsp. decurtatus Mimulus aurantiacus, D. glutinosus, D. glutinosus var. aurantiacus, M. glutinosus
Name authority (A. Gray) G. L. Nesom: Phytoneuron 2012-39: 29. (2012) (Curtis) Jepson: Man. Fl. Pl. Calif., 919. (1925)
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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