Psilostrophe gnaphalodes

de Candolle

in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 7: 261. 1838.

Treatment appears in FNA Volume 21. Treatment on page 455. Mentioned on page 454.

Biennials or perennials (rarely flowering first year), (15–)25–40(–50+) cm. Stems arachno-villous (gray to gray-green). Heads in ± loose to crowded, corymbiform arrays. Peduncles (5–)10–25 mm. Involucres 5–6 mm. Rays (2–)3(–4); laminae 4–6+ mm, spreading in fruit. Disc florets 5–9(–12). Cypselae villous; pappi of 4–5 lance-subulate scales 2–2.5 mm (scales ± villous abaxially and margins ± lacerate). 2n = 32.


Phenology: Flowering Mar–Jun(–Dec).
Habitat: Creosote-bush scrub, desert flats, dry banks, limestone soils
Elevation: 300–1400+ m

Distribution

V21-1142-distribution-map.gif

Tex., Mexico (Coahuila, Durango, Nuevo León, San Luis Potosí, Tamaulipas, Zacatecas).

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Psilostrophe gnaphalodes"
John L. Strother +
de Candolle +
Tex. +, Mexico (Coahuila +, Durango +, Nuevo León +, San Luis Potosí +, Tamaulipas +  and Zacatecas). +
300–1400+ m +
Creosote-bush scrub, desert flats, dry banks, limestone soils +
Flowering Mar–Jun(–Dec). +
in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. +
Compositae +
Psilostrophe gnaphalodes +
Psilostrophe +
species +