Diplacus brevipes

(Bentham) G. L. Nesom

Phytoneuron 2012-39: 28. 2012.

Common names: Wide-throat yellow monkeyflower
Basionyms: Mimulus brevipes Bentham Scroph. Ind., 28. 1835
Treatment appears in FNA Volume 17. Treatment on page 434. Mentioned on page 428.

Herbs, annual. Stems erect, (25–) 50–800 (–1000) mm, usually glandular-puberulent or glandular-pubescent, viscid. Leaves basal and cauline, basal usually in rosette, cauline gradually reduced distally; petiole often present proximally, usually absent distally; blade linear-lanceolate, elliptic, narrowly oblanceolate, or lanceolate, sometimes ovate or obovate, 7–90 (–125) × 1–40 (–48) mm, margins serrate or entire, plane, apex rounded to acute, surfaces: proximals glabrate, distals glandular-puberulent or glandular-pubescent. Pedicels 2–10 (–17 at proximalmost node) mm in fruit. Flowers 2 per node, or 1 or 2 per node on 1 plant, chasmogamous. Calyces inflated in fruit, (7–) 10–25 (–31) mm, glandular-pubescent and viscid, lobes unequal, apex acute to acuminate, ribs green, sometimes purplish, intercostal areas white. Corollas yellow, usually with reddish-brown spots, palate ridges yellow, tube-throat (10–) 15–30 (–34) mm, limb 11–30 mm diam., not bilabiate. Anthers included, glabrous. Styles glandular-puberulent. Stigmas included, lobe unequal, abaxial 1.5–2 times adaxial. Capsules (7–) 8–14 (–17) mm. 2n = 16.


Phenology: Flowering Apr–Jul.
Habitat: Openings in chaparral or coastal sage scrub, recently burned or mechanically disturbed areas.
Elevation: 30–1800(–2200) m.

Distribution

Calif., Mexico (Baja California)

Discussion

Diplacus brevipes occurs in the southern quarter of California. It is distinctive in its relatively large, yellow corollas, linear-lanceolate leaves, and relatively long internodes.

Selected References

None.

Lower Taxa

None.

... more about "Diplacus brevipes"
1.5-2 times adaxial lobe +
Acute (?) +  and Acuminate (?) +
Guy L. Nesom +  and Melissa C. Tulig +
(Bentham) G. L. Nesom +
Mimulus brevipes +
9 cm90 mm <br />0.09 m <br /> (12.5 cm125 mm <br />0.125 m <br />) +
4 cm40 mm <br />0.04 m <br /> (4.8 cm48 mm <br />0.048 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (9 cm90 mm <br />0.09 m <br />) +
obovate;ovate;lanceolate;oblanceolate;lanceolate;oblanceolate;elliptic;linear-lanceolate +
not +, leathery +  and not fleshy +
1mm;40mm +
2.5 cm25 mm <br />0.025 m <br /> (3.1 cm31 mm <br />0.031 m <br />) +
glandular-pubescent +
inflated +
1 cm10 mm <br />0.01 m <br /> (2.5 cm25 mm <br />0.025 m <br />) +
1.4 cm14 mm <br />0.014 m <br /> (1.7 cm17 mm <br />0.017 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
Wide-throat yellow monkeyflower +
not +, rarely radially symmetric +  and weakly strongly bilabiate +
glandular-pubescent +  and glandular-puberulent +
Calif. +  and Mexico (Baja California) +
30–1800(–2200) m. +
hairy +  and glabrous +
reflexed;nodding;erect +
reduced +
compressed;asymmetrically ovoid;lanceoloid or nearly cylindric +
Openings in chaparral or coastal sage scrub, recently burned or mechanically disturbed areas. +
gland-tipped +
alternate +, opposite +, rosulate +  and subrosulate +
persistent +  and deciduous +
cauline +  and basal +
not bilabiate +
1.1 cm11 mm <br />0.011 m <br /> (3 cm30 mm <br />0.03 m <br />) +
triangular;deltate +
unequal +
palmate +  and subpinnate +
entire +  and serrate +
wing-angled +  and angled +
2 +  and 1 +
chasmogamous +
basal +  and superior +
tenuinucellate +  and unitegmic +
orthotropous +  and anatropous +
yellow +  and reddish-brown spots +
rarely more or less equal to or slightly longer +
0.2 cm2 mm <br />0.002 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Flowering Apr–Jul. +
Phytoneuron +
purplish +  and green +
flattened +, ovoid +  and oblong +
deciduous +
5 cm50 mm <br />0.05 m <br /> (80 cm800 mm <br />0.8 m <br />) +
glandular-puberulent +
Eunanus +  and Mimulus sect. Diplacus +
Diplacus brevipes +
Diplacus +
species +
3 cm30 mm <br />0.03 m <br /> (3.4 cm34 mm <br />0.034 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (3 cm30 mm <br />0.03 m <br />) +
10 +, 9 +  and 8 +