Neonesomia palmeri

(A. Gray) Urbatsch & R. P. Roberts

Sida 21: 253. 2004.

Common names: Texas desert goldenrod Texas goldenweed
Illustrated
Basionym: Aster palmeri A. Gray Proc. Amer. Acad. Arts 17: 209. 1882
Synonyms: Ericameria austrotexana M. C. Johnston Xylothamia palmeri (A. Gray) G. L. Nesom
Treatment appears in FNA Volume 20. Treatment on page 86. Mentioned on page 85.

Stems: bark tan, becoming brown to gray; twigs mostly green, prominently ridged. Leaves moderately crowded; blades spreading, 10–30 × 1–2 mm, plane; axillary fascicles rarely present. Phyllaries 1.5–5.2 × 0.8–1.2 mm, midveins enlarged near apex, resin-gland and surrounding tissue evident as green to brown patches. Ray laminae 2.5–3 × 0.5–1 mm. Disc corollas 3.8–5.5 mm, tubes glabrous, lobes unequal, 1–2.7 mm; style-branches 1.5–2.2 mm, appendages 0.7–1.1 mm. Cypselae 1.5–2 mm; pappi 3.7–5.3 mm. 2n = 18.


Phenology: Flowering fall.
Habitat: Associated with brushy vegetation, brushy pastures, saline flats, coastal dunes
Elevation: 0–600 m

Distribution

V20-164-distribution-map.gif

Tex., Mexico (Nuevo León), Mexico (Tamaulipas)

Discussion

Neonesomia palmeri grows on open flats to steep slopes in saline to sandy habitats in southern Texas.

Selected References

None.

Lower Taxa

None.

"[" is not declared as a valid unit of measurement for this property."]" is not declared as a valid unit of measurement for this property.

... more about "Neonesomia palmeri"
not tailed +, rounded +  and obtuse +
distinct +
subequal +
scarious +
usually triangular +  and linear +
usually deltate +  and lanceolate +
paniculiform +
indeterminate +  and determinate +
Lowell E. Urbatsch +, Roland P. Roberts +  and Kurt M. Neubig +
(A. Gray) Urbatsch & R. P. Roberts +
brown +  and gray +
decurrent +
Aster palmeri +
compound +  and simple +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
rugulose +  and muricate +
tan +  and whitish +
Texas desert goldenrod +  and Texas goldenweed +
not 2-lipped +  and actinomorphic +
white +  and pale yellow +
beaked +, 2-ribbed +  and 5-ribbed +
turbinate +, elliptic +  and obovoid +
fertile +  and bisexual +
0.38 cm3.8 mm <br />0.0038 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
fertile +  and bisexual +
Tex. +, Mexico (Nuevo León) +  and Mexico (Tamaulipas) +
0–600 m +
resinous +
glabrous +  and hairy +
pistillate +, staminate +  and neuter +
winged +  and beaked +
dispersed +
Associated with brushy vegetation, brushy pastures, saline flats, coastal dunes +
racemiform +  and cymiform +
cluster +  and singly +
indeterminate +
heterogamous +  and homogamous +
each +  and sessile +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
spreading;recurved +
triangular +
unequal +
enlarged +
2-carpellate +
persistent +
0.37 cm3.7 mm <br />0.0037 m <br /> (0.53 cm5.3 mm <br />0.0053 m <br />) +
green +  and brown +
Flowering fall. +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.52 cm5.2 mm <br />0.0052 m <br />) +
narrowly elliptic +  and lanceolate or obovate +
0.08 cm0.8 mm <br />8.0e-4 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
bearing subulate enations +, hairy +  and bristly +
exalbuminous +
Illustrated +
resinous +
erect +  and ascending +
hairy +  and glabrous +
appendaged +  and truncate +
papillate +  and smooth +
Ericameria austrotexana +  and Xylothamia palmeri +
Neonesomia palmeri +
Neonesomia +
species +
turbinate +
perennial +, biennial +  and annual +