Lessingia micradenia var. micradenia

Common names: Tamalpais lessingia
EndemicConservation concern
Treatment appears in FNA Volume 20. Treatment on page 456.

Leaves sparsely stipitate-glandular or not. Phyllaries stipitate-glandular. Disc-florets 5–10.2n = 10.


Phenology: Flowering Jul–Oct.
Habitat: Openings, chaparral, thin, gravelly soils of serpentine outcrops, roadsides
Elevation: 100–500 m

Discussion

Of conservation concern.

Variety micradenia is known only from the Mount Tamalpais region in Marin County.

Selected References

None.

Lower Taxa

None.
villous +  and glabrous +
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
spiciform +, racemiform +, paniculiform +  and corymbiform +
indeterminate +  and determinate +
Staci Markos +
Greene +
decurrent +
obovate;lanceolate linear or subulate +
rugulose +  and muricate +
barbellulate +  and barbellate +
Tamalpais lessingia +
not 2-lipped +  and actinomorphic +
white +  and pale lavender +
5-10-nerved +  and smooth +
beaked +, 2-ribbed +  and 5-ribbed +
not compressed +, cuneiform +  and linear +
fertile +  and bisexual +
fertile +  and bisexual +
100–500 m +
gland-dotted +
stipitate-glandular +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Openings, chaparral, thin, gravelly soils of serpentine outcrops, roadsides +
in more or less corymbiform arrays +  and singly +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.4 cm4 mm <br />0.004 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
cylindric;narrowly obconic +
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
sessile +  and petiolate +
cauline +  and basal +
not +  and stipitate-glandular +
spreading;erect +
lanceolate +
dentate to pinnately lobed +  and entire +
2-carpellate +
persistent +
connate +  and distinct +
Flowering Jul–Oct. +
recurved +  and erect +
stipitate-glandular +
lanceolate +, ovate +  and oblong +
Leafl. Bot. Observ. Crit +
styliferous +, neuter +  and pistillate +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
Endemic +  and Conservation concern +
branched +  and simple +
tan +  and brown +
truncate-penicillate +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.03 cm0.3 mm <br />3.0e-4 m <br />) +
appendaged +  and truncate +
papillate +  and smooth +
Lessingia ramulosa var. micradenia +
Lessingia micradenia var. micradenia +
Lessingia micradenia +
variety +
2 cm20 mm <br />0.02 m <br /> (90 cm900 mm <br />0.9 m <br />) +