Stephanomeria exigua subsp. deanei

(J. F. Macbride) Gottlieb

Madroño 21: 470. 1972.

Common names: Deane’s wirelettuce
Basionym: Stephanomeria exigua var. deanei J. F. Macbride Contr. Gray Herb. 53: 22. 1918
Treatment appears in FNA Volume 19. Treatment on page 354. Mentioned on page 350, 353.
Revision as of 19:25, 29 July 2020 by imported>Volume Importer
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Heads borne in small paniculiform arrays along branches. Peduncles 10–40 mm, densely glandular. Calyculi of appressed bractlets. Involucres densely glandular. Florets 7–9. Cypselae light to dark tan, 2.1–2.4 mm, faces tuberculate, grooved; pappi of 9–14, white to light tan bristles (bases persistent, connate in groups of 2–4, plumose on distal 55–60%). 2n = 16.


Phenology: Flowering Jun–Oct.
Habitat: Sandy fields and chaparral
Elevation: 0–1700 m

Distribution

V19-555-distribution-map.gif

Calif., Mexico (Baja California)

Discussion

Selected References

None.

Lower Taxa

None.

"fine" is not a number.

rounded;acute +
scarious +
ovate +  and lanceolate +
paniculiform +
indeterminate +  and determinate +
L. D. Gottlieb +
(J. F. Macbride) Gottlieb +
runcinate +, linear +  and oblanceolate +
3 cm30 mm <br />0.03 m <br /> (10 cm100 mm <br />0.1 m <br />) +
decurrent +
Stephanomeria exigua var. deanei +
compound +  and simple +
runcinate;linear;oblong oblanceolate or spatulate +
tuberculate +, rugose +, muricate +  and smooth +
reflexed +  and appressed +
pubescent +  and glabrous +
filiform +
white +  and tan +
Deane’s wirelettuce +
zygomorphic +, actinomorphic +  and (3-)5-merous +
white +, lavender +  and pink +
light +  and dark tan +
5-angled +  and columnar +
Calif. +  and Mexico (Baja California) +
0–1700 m +
tuberculate +
winged +  and beaked +
dispersed +
Sandy fields and chaparral +
clustered +  and or +
indeterminate +
each +  and sessile +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
less cylindric;turbinate +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
cauline +  and basal +
2-carpellate +
white +  and light tan +
persistent +
connate +  and distinct +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
Flowering Jun–Oct. +
connate +  and distinct +
5 +  and 12 +
subequal +  and unequal +
flat;convex +
slender +  and stout +
exalbuminous +
Illustrated +
branched +  and simple +
1 (?) +  and 8 (?) +
hairy +  and glabrous +
appendaged +  and truncate +
papillate +
Undefined tribe Lactuceae +
Stephanomeria exigua subsp. deanei +
Stephanomeria exigua +
subspecies +
10 cm100 mm <br />0.1 m <br /> (200 cm2,000 mm <br />2 m <br />) +
shrub +  and subshrub +