Lessingia micradenia

Greene

Leafl. Bot. Observ. Crit 2: 28. 1910.

EndemicConservation concern
Synonyms: Lessingia ramulosa var. micradenia (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. Leaves: basal withering before flowering; cauline margins entire, faces usually eglandular, sometimes sparsely stipitate-glandular, abaxial glabrous or villous. Heads borne ± singly, at ends of branchlets. Involucres cylindric to narrowly obconic, 4–6 mm. Phyllaries purple-tipped, faces glabrous, stipitate-glandular or gland-dotted; inner scarious. Disc-florets 3–10; corollas white to pale lavender (color more intense in tubes); style-branch appendages truncate-penicillate, 0.1–0.3 mm. Pappi tan, equal to or shorter than cypselae.

Discussion

Varieties 2 (2 in the flora).

Selected References

None.

Key

1 Phyllaries stipitate-glandular Lessingia micradenia var. micradenia
1 Phyllaries not stipitate-glandular (sessile-glandular) Lessingia micradenia var. glabrata
... more about "Lessingia micradenia"
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 +
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 +
gland-dotted +
stipitate-glandular +  and glabrous +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
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 +
spreading;erect +
lanceolate +
dentate to pinnately lobed +  and entire +
2-carpellate +
persistent +
connate +  and distinct +
recurved +  and erect +
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 +
Lessingia +
species +
2 cm20 mm <br />0.02 m <br /> (90 cm900 mm <br />0.9 m <br />) +