Diplacus constrictus

(A. L. Grant) G. L. Nesom

Phytoneuron 2012-39: 28. 2012.

Common names: Dense-fruited monkeyflower
Endemic
Basionym: Mimulus subsecundus subsp. constrictus A. L. Grant Ann. Missouri Bot. Gard. 11: 287. 1925
Synonyms: M. constrictus (A. L. Grant) Pennell M. viscidus subsp. constrictus (A. L. Grant) Munz
Treatment appears in FNA Volume 17. Treatment on page 436. Mentioned on page 431, 433, 437.

Herbs, annual, herbage usually drying dark. Stems erect, (10–) 20–240 (–350) mm, nodes 3–6, internodes 1–6 mm, glandular-villous. Leaves basal and cauline, relatively even-sized; petiole indistinct; blade obovate, oblanceolate, or narrowly elliptic, (3.5–) 5–32 (–47) × 3–15 (–18) mm, margins entire or toothed, plane, apex acute or rounded, surfaces: proximals glabrous, distals glandular-pubescent. Pedicels 0.5–3 (–4) mm in fruit. Flowers 2 per node, or 1 or 2 per node on 1 plant, chasmogamous. Calyces symmetrically attached to pedicels, inflated in fruit, (5–) 7–12 (–15) mm, glandular-pubescent to glandular-villous, tube strongly plicate, lobes triangular, subequal, apex acute, ribs broad, darkened, blackish, thickened, strongly raised, intercostal areas whitish, membranous. Corollas magenta or pinkish to red-purple, throat floor whitish with dark lines or streaks, often yellowish deep inside throat, never at mouth, palate ridges white, tube-throat (10–) 13–22 (–25) mm, limb 14–23 mm diam., not bilabiate. Anthers included, ciliate. Styles glandular-puberulent. Stigmas included, lobes equal. Capsules (7–) 8–12 (–13.5) mm. 2n = 16.


Phenology: Flowering May–Aug.
Habitat: Disturbed areas with concentrated runoff from rains on, or just above, verges of roadside banks.
Elevation: 800–2100(–2400) m.

Discussion

Diplacus constrictus is endemic to Kern, Los Angeles, Tulare, and Ventura counties.

Selected References

None.

Lower Taxa

None.
... more about "Diplacus constrictus"
Acute (?) +  and Rounded (?) +
Guy L. Nesom +  and Melissa C. Tulig +
(A. L. Grant) G. L. Nesom +
Mimulus subsecundus subsp. constrictus +
3.2 cm32 mm <br />0.032 m <br /> (4.7 cm47 mm <br />0.047 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (3.2 cm32 mm <br />0.032 m <br />) +
elliptic;oblanceolate;elliptic;oblanceolate;obovate +
? (?) +, ? (?) +  and ? (?) +
3mm;15mm +
1.2 cm12 mm <br />0.012 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
glandular-pubescent +  and glandular-villous +
inflated +
0.7 cm7 mm <br />0.007 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
1.2 cm12 mm <br />0.012 m <br /> (1.35 cm13.5 mm <br />0.0135 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
Dense-fruited monkeyflower +
not +, rarely radially symmetric +  and weakly strongly bilabiate +
pinkish;red-purple +
glandular-pubescent +
800–2100(–2400) m. +
hairy +  and glabrous +
reflexed;nodding;erect +
reduced +
compressed;asymmetrically ovoid;lanceoloid or nearly cylindric +
Disturbed areas with concentrated runoff from rains on, or just above, verges of roadside banks. +
gland-tipped +
glandular-villous +
0.1 cm1 mm <br />0.001 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
alternate +, opposite +, rosulate +  and subrosulate +
persistent +  and deciduous +
cauline +  and basal +
equal-sized +
not bilabiate +
1.4 cm14 mm <br />0.014 m <br /> (2.3 cm23 mm <br />0.023 m <br />) +
triangular +
subequal +
palmate +  and subpinnate +
plane +, toothed +  and entire +
wing-angled +  and angled +
2 +, 1 +, 3 +  and 6 +
chasmogamous +
basal +  and superior +
tenuinucellate +  and unitegmic +
orthotropous +  and anatropous +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
rarely more or less equal to or slightly longer +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Flowering May–Aug. +
Phytoneuron +
blackish +  and darkened +
flattened +, ovoid +  and oblong +
deciduous +
2 cm20 mm <br />0.02 m <br /> (24 cm240 mm <br />0.24 m <br />) +
glandular-puberulent +
M. constrictus +  and M. viscidus subsp. constrictus +
Diplacus constrictus +
Diplacus +
species +
2.2 cm22 mm <br />0.022 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
1.3 cm13 mm <br />0.013 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
yellowish +  and whitish +
10 +, 9 +  and 8 +