Coelophragmus auriculatus

(A. Gray) O. E. Schulz in H. G. A. Engler

in H. G. A. Engler, Pflanzenr. 86[IV,105]: 157. 1924.

Basionym: Sisymbrium auriculatum A. Gray Smithsonian Contr. Knowl. 3(5): 8. 1852
Synonyms: Thelypodium lobatum Brandegee
Treatment appears in FNA Volume 7. Treatment on page 687.

Plants glabrous or sparsely to densely pilose, at least proximally. Stems (2–) 3–12 (–15) dm. Basal leaves soon withered. Cauline leaves: (proximal and median) petiole 1–6 cm, shorter distally; blade oblanceolate to obovate, (2–) 3–12 (–17) cm × (15–) 25–60 (–85) mm, (smaller distally), base auriculate to amplexicaul, margins pinnatifid to runcinate, lobes: lateral ovate to lanceolate; terminal larger than lateral. Racemes densely flowered. Fruiting pedicels straight or slightly curved-ascending, 5–10 (–14) mm, glabrous or pubescent. Flowers: sepals 4–5 × 1–1.5 mm, sparsely pilose; petals 6–10 × 1.5–2.5 mm, gradually narrowed to clawlike base, margins entire, glabrous; median filament pairs 2.5–4 mm, glabrous; anthers 1–1.5 mm. Fruits 2–4.2 (–5.3) cm × 0.5–0.7 mm; valves glabrous or pilose; style 0.5–2.5 mm. Seeds yellowish, 0.4–0.5 × 0.3–0.4 mm.


Phenology: Flowering Mar–Nov.
Habitat: Hillsides, shallow washes, calcareous grounds, thickets, scrubby pine and oak woodland, gravelly flats
Elevation: 1200-2400 m

Distribution

V7 1182-distribution-map.gif

Tex., Mexico (Chihuahua), Mexico (Coahuila), Mexico (Durango), Mexico (Nuevo León), Mexico (San Luis Potosí), Mexico (Zacatecas)

Discussion

Collections of Coelophragmus auriculatus from Texas are known primarily from Brewster and Hudspeth counties.

Selected References

None.

Lower Taxa

None.

"elongated" is not a number."thick" is not a number."dm" is not declared as a valid unit of measurement for this property."dm" is not declared as a valid unit of measurement for this property.

... more about "Coelophragmus auriculatus"
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Ihsan A. Al-Shehbaz +
(A. Gray) O. E. Schulz in H. G. A. Engler +
auriculate +  and amplexicaul +
Sisymbrium auriculatum +
appendaged +  and unappendaged +
12 cm120 mm <br />0.12 m <br /> (17 cm170 mm <br />0.17 m <br />) +
6 cm60 mm <br />0.06 m <br /> (8.5 cm85 mm <br />0.085 m <br />) +
not +  and auriculate +
3 cm30 mm <br />0.03 m <br /> (12 cm120 mm <br />0.12 m <br />) +
runcinate +  and pinnatifid +
oblanceolate;obovate +
much smaller +  and reduced +
differentiated +
2.5 cm25 mm <br />0.025 m <br /> (6 cm60 mm <br />0.06 m <br />) +
urceolate +, campanulate +  and tubular +
branched +  and simple +
sessile +  and petiolate +
well-developed +
distinct +
spatulate +
differentiated +
emarginate +  and entire +
incumbent +  and accumbent +
Tex. +, Mexico (Chihuahua) +, Mexico (Coahuila) +, Mexico (Durango) +, Mexico (Nuevo León) +, Mexico (San Luis Potosí) +  and Mexico (Zacatecas) +
1200-2400 m +
straight +  and curved +
not winged +  and unappendaged +
connate +  and distinct +
zygomorphic +  and actinomorphic +
stipitate +  and sessile +
4.2 cm42 mm <br />0.042 m <br /> (5.3 cm53 mm <br />0.053 m <br />) +
straight +
2 cm20 mm <br />0.02 m <br /> (4.2 cm42 mm <br />0.042 m <br />) +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.07 cm0.7 mm <br />7.0e-4 m <br />) +
Hillsides, shallow washes, calcareous grounds, thickets, scrubby pine and oak woodland, gravelly flats +
alternate +, not +  and rosulate +
cauline +  and basal +
entire +  and dentate +
connate +  and distinct +
ovate +  and lanceolate +
larger than lateral +
pinnatifid;runcinate +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
tenuinucellate +, crassinucellate +  and bitegmic +
campylotropous +  and anatropous +
white +  and lavender +
6mm;10mm +
rudimentary +
gradually narrowed +  and clawlike +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
1 cm10 mm <br />0.01 m <br /> (6 cm60 mm <br />0.06 m <br />) +
Flowering Mar–Nov. +
trinucleate +  and 3(-11)-colpate +
in H. G. A. Engler, Pflanzenr. +
1 cm10 mm <br />0.01 m <br /> (1.4 cm14 mm <br />0.014 m <br />) +
curved-ascending +
pubescent +  and glabrous +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
mucilaginous +
aseriate +, uniseriate +  and biseriate +
not +  and mucilaginous +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.04 cm0.4 mm <br />4.0e-4 m <br />) +
persistent +  and caducous +
distinct +
erect +  and ascending +
0.1 cm1 mm <br />0.001 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
reduced +
latiseptate +, schizocarpic +, samaroid +  and lomentaceous +
indehiscent +  and dehiscent +
angustiseptate +, flat +, angled +, terete +, torulose +, not +, segmented +  and nutletlike +
tetradynamous +
branched +  and unbranched +
procumbent +  and decumbent +
subsessile +, sessile +  and petiolate +
persistent +
distinct +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
Thelypodium lobatum +
Coelophragmus auriculatus +
Coelophragmus +
species +
dendritic +  and simple +
coiled +, 1-7-veined +  and veined +
pilose +  and glabrous +
anastomosing +
pilose +  and glabrous +
perennial +, biennial +  and annual +
aquatics +  and terrestrial +
glabrous or +  and sparsely densely pilose +