Diplacus congdonii

(B. L. Robinson) G. L. Nesom

Phytoneuron 2012-39: 32. 2012.

Common names: Congdon’s monkeyflower
Endemic
Basionyms: Mimulus congdonii B. L. Robinson Proc. Amer. Acad. Arts 26: 175. 1891
Treatment appears in FNA Volume 17. Treatment on page 445. Mentioned on page 428, 429.

Herbs, annual. Stems erect to ascending, 0–100 (–120) mm, glandular-puberulent and/or glandular-pubescent. Leaves usually cauline, relatively even-sized; petiole absent, larger with petiolelike extension; blade oblanceolate to elliptic, (4–) 8–32 (–37) × (1.5–) 2.5–14 (–18) mm, margins entire or crenate, plane, apex obtuse, surfaces glabrous or puberulent and/or pilose adaxially. Pedicels (1–) 2–5 mm in fruit, usually twisting to invert calyx. Flowers 2 per node, or 1 or 2 per node on 1 plant, chasmogamous or cleistogamous. Calyces distinctly asymmetrically attached to pedicel, inflated in fruit, 5–14 mm, sparsely pilose, lobes subequal, apex obtuse, ribs green to purplish, intercostal areas whitish. Corollas: throat whitish to dark magenta, not golden yellow at base, lobes magenta, without markings or with dark magenta dots and, sometimes, some yellow at bases of abaxial lobes, palate ridges absent or purple, tube-throat 8–30 mm, limb 3–9 mm diam., bilabiate, abaxial lobe usually smaller than adaxial. Anthers (distal pair) exserted, glabrous. Styles glandular-pubescent. Stigmas exserted, lobes unequal, abaxial 3–4 times adaxial. Capsules 4–8.5 mm, indehiscent. 2n = 18.


Phenology: Flowering Feb–May.
Habitat: Serpentine soils, periphery of granite outcrops, disturbed hillsides, soil from decomposed granite, near water runoff areas, away from seeps or other areas with prolonged surface moisture.
Elevation: 100–1100(–1700) m.

Discussion

Diplacus congdonii occurs in the Sierra Nevada Foothills and mountain ranges along the coast.

Selected References

None.

Lower Taxa

None.

... more about "Diplacus congdonii"
usually smaller +
3-4 times adaxial lobes +
Guy L. Nesom +  and Melissa C. Tulig +
(B. L. Robinson) G. L. Nesom +
Mimulus congdonii +
3.2 cm32 mm <br />0.032 m <br /> (3.7 cm37 mm <br />0.037 m <br />) +
1.4 cm14 mm <br />0.014 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
0.8 cm8 mm <br />0.008 m <br /> (3.2 cm32 mm <br />0.032 m <br />) +
oblanceolate;elliptic +
not +, leathery +  and not fleshy +
2.5mm;14mm +
inflated +
0.5 cm5 mm <br />0.005 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (0.85 cm8.5 mm <br />0.0085 m <br />) +
Congdon’s monkeyflower +
not +, rarely radially symmetric +  and weakly strongly bilabiate +
white;yellow;orange;yellow;orange;purplish brown;purple;lavender;magenta;red;pink;blue +
100–1100(–1700) m. +
petiole-like +
hairy +  and glabrous +
reflexed;nodding;erect +
reduced +
compressed;asymmetrically ovoid;lanceoloid or nearly cylindric +
Serpentine soils, periphery of granite outcrops, disturbed hillsides, soil from decomposed granite, near water runoff areas, away from seeps or other areas with prolonged surface moisture. +
gland-tipped +
alternate +, opposite +, rosulate +  and subrosulate +
persistent +  and deciduous +
equal-sized +
0.3 cm3 mm <br />0.003 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
triangular;deltate +
unequal +  and subequal +
palmate +  and subpinnate +
plane +, crenate +  and entire +
wing-angled +  and angled +
2 +  and 1 +
cleistogamous +  and chasmogamous +
basal +  and superior +
tenuinucellate +  and unitegmic +
orthotropous +  and anatropous +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
rarely more or less equal to or slightly longer +
0.2 cm2 mm <br />0.002 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
Flowering Feb–May. +
Phytoneuron +
green +  and purplish +
flattened +, ovoid +  and oblong +
deciduous +
erect;ascending +
0 cm0 mm <br />0 m <br /> (10 cm100 mm <br />0.1 m <br />) +
glandular-pubescent +
pilose +, puberulent +  and glabrous +
Eunanus +  and Mimulus sect. Diplacus +
Diplacus congdonii +
Diplacus +
species +
0.8 cm8 mm <br />0.008 m <br /> (3 cm30 mm <br />0.03 m <br />) +
not golden yellow +, whitish +  and dark magenta +
10 +, 9 +  and 8 +