Flora of North America species comparison

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Psilostrophe tagetina

paper daisy, paper flower, woolly paperflower
Habit Biennials or perennials (rarely flowering first year), 10–30(–60+) cm.
Stems

arachno-villous (gray to gray-green).
Peduncles

(3–)12–20(–40) mm.
Involucres

4–8 mm.
Disc florets

6–9(–12).
Heads

in ± loose to crowded, corymbiform arrays.
Cypselae

usually glabrous, sometimes hirtellous and/or gland-dotted;

pappi of (4–)6–8 elliptic or lanceolate to lance-subulate scales 2–3+ mm.
Rays

3–4(–6);

laminae (3–)7–14+ mm, spreading in fruit.
2n

= 32.

Psilostrophe tagetina
Phenology Flowering (Apr–)May–Sep(–Dec).
Habitat Desert scrub, grasslands, limestone soils, saline flats, sandy soils
Elevation (300–)600–2400 m ((1000–)2000–7900 ft)
Distribution
from FNA
AZ; NM; TX; UT; Mexico (Chihuahua, Coahuila)
[WildflowerSearch map]
[BONAP county map]
Discussion

See comments under 6. Psilostrophe villosa.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 21, p. 455.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Gaillardiinae > Psilostrophe
Sibling taxa
P. bakeri, P. cooperi, P. gnaphalodes, P. sparsiflora, P. villosa
Synonyms Riddellia tagetina, P. tagetina var. grandiflora, P. tagetina var. lanata
Name authority (Nuttall) Greene: Pittonia 2: 176. (1891)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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