Baccharis plummerae subsp. glabrata

Hoover

Vasc. Pl. San Luis Obispo Co., 302. 1970.

Common names: San Simeon or smooth baccharis
EndemicConservation concern
Treatment appears in FNA Volume 20. Treatment on page 31. Mentioned on page 30.

Plants 60–80 cm. Stems glabrate, glandular. Leaves linear to narrowly oblanceolate (principal 1-nerved or 3-nerved), 8–35 × 1–2 (–3) mm, margins entire or sharply serrate.


Phenology: Flowering Jun–Nov.
Habitat: Rocky slopes near beaches, sea bluffs, serpentine rock outcrops, chaparral, brushy canyons, woodlands
Elevation: 0–100 m

Discussion

Of conservation concern.

Known only from coastal scrub in the Santa Lucia Range, northwestern San Luis Obispo County, subsp. glabrata is generally reduced in most characters than subsp. plummerae, with smaller heads and fewer florets (R. M. Beauchamp and J. Henrickson 1995).

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 +
Hoover +
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 +
San Simeon or smooth 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 +
0–100 m +
resinous +
gland-dotted +
pistillate +  and staminate +
winged +  and beaked +
dispersed +
Rocky slopes near beaches, sea bluffs, serpentine rock outcrops, chaparral, brushy canyons, 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 />) +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
8mm;35mm +
linear;narrowly oblanceolate +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
spreading-reflexed;spreading-reflexed +
less deltate +  and lanceovate +
serrate +  and entire +
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 Jun–Nov. +
lanceolate +
0.2 cm2 mm <br />0.002 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Vasc. Pl. San Luis Obispo Co., +
styliferous +, neuter +  and pistillate +
bearing subulate enations +, hairy +  and bristly +
conic;tholiform;conic;tholiform;flat +
exalbuminous +
Endemic +  and Conservation concern +
eglandular +, glandular +  and simple +
1 (?) +  and 20 (?) +
resinous +
wand-like +
slender +
appendaged +  and truncate +
papillate +  and smooth +
Compositae +
Baccharis plummerae subsp. glabrata +
Baccharis plummerae +
subspecies +