Flora of North America species comparison

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Diplacus aurantiacus

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

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

4–13 mm in fruit.
Flowers

2(–4) per node, chasmogamous.
Styles

sparsely glandular.
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.
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.
Capsules

18–31 mm.
Anthers

exserted (at throat), glabrous.
Stigmas

exserted, lobes equal.
2n

= 20.

Diplacus aurantiacus
Phenology Flowering Apr–Aug.
Habitat Sand dunes and bluffs, dry hillsides, grassy slopes, road banks, stream banks, basaltic knolls, rocky slopes and outcrops, open pine forests, coastal scrub.
Elevation 0–700(–1000) m. (0–2300(–3300) ft.)
Distribution
from FNA
CA; OR
[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.
Parent taxa 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
Synonyms Mimulus aurantiacus, D. glutinosus, D. glutinosus var. aurantiacus, M. glutinosus
Name authority (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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