Baccharis plummerae subsp. plummerae

Common names: Plummer’s baccharis
Endemic
Treatment appears in FNA Volume 20. Treatment on page 31. Mentioned on page 30.

Plants 60–200 cm. Stems villous, eglandular. Leaves oblong to oblanceolate (principal 3-nerved), (15–) 20–45 (–55) × (3–) 5–13 mm, sharply serrate. 2n = 18.


Phenology: Flowering (May–)Aug–Nov.
Habitat: Rocky slopes near beach, sea bluffs, brushy canyons, oak woodlands
Elevation: 0–1000 m

Discussion

Subspecies plummerae occurs in the Santa Monica Mountains in Los Angeles County, Matilija Canyon in Ventura County, the western slopes of the Santa Ynez Mountains and Santa Cruz Island in Ventura County (R. M. Beauchamp and J. Henrickson 1996).

Selected References

None.

Lower Taxa

None.
glabrous +  and glabrate +
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
corymbiform +, paniculiform +  and compact +
indeterminate +  and determinate +
Scott D. Sundberg† +  and David J. Bogler +
A. Gray +
cuneate +
3-nerved +  and 1-nerved +
0.8 cm8 mm <br />0.008 m <br /> (5.5 cm55 mm <br />0.055 m <br />) +
linear;oblong or oblanceolate +
1mm;13mm +
rugulose +  and muricate +
barbellulate +  and barbellate +
Plummer’s baccharis +
not 2-lipped +  and actinomorphic +
whitish +, white +  and pale-yellow +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
beaked +, 2-ribbed +  and 5-ribbed +
compressed +, obovoid +  and cylindric +
fertile +  and bisexual +
0–1000 m +
resinous +
gland-dotted +
pistillate +  and staminate +
winged +  and beaked +
dispersed +
Rocky slopes near beach, sea bluffs, brushy canyons, oak woodlands +
racemiform +, corymbiform +  and paniculiform +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
pistillate +  and staminate +
0.3 cm3 mm <br />0.003 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
campanulate +
0.6 cm6 mm <br />0.006 m <br /> (0.85 cm8.5 mm <br />0.0085 m <br />) +
4.5 cm45 mm <br />0.045 m <br /> (5.5 cm55 mm <br />0.055 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
20mm;45mm +
oblong;oblanceolate +
0.5 cm5 mm <br />0.005 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
spreading-reflexed;spreading-reflexed +
less deltate +  and lanceovate +
hispid +  and glabrous +
2-carpellate +
brownish +, whitish +  and tawny +
persistent +
25 +  and 50 +
0.7 cm7 mm <br />0.007 m <br /> (0.85 cm8.5 mm <br />0.0085 m <br />) +
Flowering (May–)Aug–Nov. +
lanceolate +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Proc. Amer. Acad. Arts +
styliferous +, neuter +  and pistillate +
bearing subulate enations +, hairy +  and bristly +
conic;tholiform;conic;tholiform;flat +
exalbuminous +
1 (?) +  and 20 (?) +
resinous +
wand-like +
slender +
appendaged +  and truncate +
papillate +  and smooth +
Compositae +
Baccharis plummerae subsp. plummerae +
Baccharis plummerae +
subspecies +