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paper daisy, paper flower, woolly paperflower

Baker's paperflower

Habit Biennials or perennials (rarely flowering first year), 10–30(–60+) cm. Biennials or perennials (rarely flowering first year), 5–12(–20+) cm.
Stems

arachno-villous (gray to gray-green).

arachno-villous (gray to gray-green).

Peduncles

(3–)12–20(–40) mm.

15–35(–50) mm.

Involucres

4–8 mm.

7–9(–12) mm.

Disc florets

6–9(–12).

(10–)12–15(–20).

Heads

in ± loose to crowded, corymbiform arrays.

in ± loose, 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.

usually glabrous, sometimes gland-dotted;

pappi of 4–5 ± oblong scales 1.5–2 mm.

Rays

3–4(–6);

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

4–5(–8);

laminae 8–15+ mm, spreading in fruit.

2n

= 32.

= 32.

Psilostrophe tagetina

Psilostrophe bakeri

Phenology Flowering (Apr–)May–Sep(–Dec). Flowering May–Jun.
Habitat Desert scrub, grasslands, limestone soils, saline flats, sandy soils Rocky, often alkaline, slopes, knolls
Elevation (300–)600–2400 m ((1000–)2000–7900 ft) 1300–2000 m (4300–6600 ft)
Distribution
from FNA
AZ; NM; TX; UT; Mexico (Chihuahua, Coahuila)
[WildflowerSearch map]
[BONAP county map]
from FNA
CO; ID
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[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. FNA vol. 21, p. 455.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Gaillardiinae > Psilostrophe Asteraceae > tribe Heliantheae > subtribe Gaillardiinae > Psilostrophe
Sibling taxa
P. bakeri, P. cooperi, P. gnaphalodes, P. sparsiflora, P. villosa
P. cooperi, P. gnaphalodes, P. sparsiflora, P. tagetina, P. villosa
Synonyms Riddellia tagetina, P. tagetina var. grandiflora, P. tagetina var. lanata
Name authority (Nuttall) Greene: Pittonia 2: 176. (1891) Greene: Pl. Baker. 3: 29. (1901)
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