Lessingia nemaclada

Greene

Bull. Calif. Acad. Sci. 1: 191. 1885.

Common names: Slenderstem lessingia
Endemic
Synonyms: Lessingia nemaclada var. albiflora (Eastwood) J. T. Howell Lessingia nemaclada var. mendocina (Greene) J. T. Howell
Treatment appears in FNA Volume 20. Treatment on page 456. Mentioned on page 453.

Plants 5–60 cm. Stems erect, tan to brown, glabrous or villous. Leaves: basal withering by flowering; cauline margins entire, faces gland-dotted (in pits) and sometimes stipitate-glandular, abaxial glabrous or villous to tomentose. Heads borne singly or in corymbiform arrays, usually at ends of branchlets. Involucres narrowly obconic, 5–6 mm. Phyllaries usually purple-tipped, faces glabrous, stipitate-glandular and gland-dotted; inner scarious. Disc-florets 3–10; corollas usually white, sometimes pale lavender (color more intense in tubes); style-branch appendages usually lanceolate, sometimes truncate-penicillate, 0.4–1 mm. Pappi tan, equaling or longer than cypselae. 2n = 10, 12.


Phenology: Flowering Jul–Oct.
Habitat: Open fields, roadsides, borders of woodlands, sometimes on serpentinite soils
Elevation: 200–1100 m

Discussion

Lessingia nemaclada is widespread in central and northern California (except near the coast) and is morphologically variable.

Selected References

None.

Lower Taxa

None.
... more about "Lessingia nemaclada"
villous +  and tomentose +
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
indeterminate +  and determinate +
Staci Markos +
Greene +
decurrent +
obovate;lanceolate linear or subulate +
rugulose +  and muricate +
barbellulate +  and barbellate +
Slenderstem lessingia +
not 2-lipped +  and actinomorphic +
pale lavender +  and white +
5-10-nerved +  and smooth +
beaked +, 2-ribbed +  and 5-ribbed +
not compressed +, cuneiform +  and linear +
fertile +  and bisexual +
fertile +  and bisexual +
200–1100 m +
gland-dotted;gland-dotted +
stipitate-glandular +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Open fields, roadsides, borders of woodlands, sometimes on serpentinite soils +
in 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 />) +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
sessile +  and petiolate +
cauline +  and basal +
spreading;erect +
lanceolate +
dentate to pinnately lobed +  and entire +
2-carpellate +
persistent +
connate +  and distinct +
Flowering Jul–Oct. +
recurved +  and erect +
lanceolate +, ovate +  and oblong +
Bull. Calif. Acad. Sci. +
styliferous +, neuter +  and pistillate +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
branched +  and simple +
tan +  and brown +
villous +  and glabrous +
truncate-penicillate +  and lanceolate +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
appendaged +  and truncate +
papillate +  and smooth +
Lessingia nemaclada var. albiflora +  and Lessingia nemaclada var. mendocina +
Lessingia nemaclada +
Lessingia +
species +
2 cm20 mm <br />0.02 m <br /> (90 cm900 mm <br />0.9 m <br />) +