The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

hoary Townsend daisy, hoary townsendia, silvery townsendia

Fendler's Townsend daisy

Habit Perennials, (1–)2–8(–12+) cm. Perennials, 3–12(–25+) cm.
Stems

decumbent to erect;

internodes (0.5–)2–6(–12+) mm, usually densely piloso-hirsute, sometimes strigoso-scabrellous (surfaces usually hidden by hairs).

decumbent to erect;

internodes 5–10(–20+) mm, pilose to strigose (surfaces seldom hidden by hairs).

Leaves

basal and cauline, blades spatulate to narrowly oblanceolate, 3–12(–40+) × 1–2(–4+) mm, not fleshy, ± strigoso-scabrellous to strigillose.

basal and cauline, blades narrowly oblanceolate to linear, 6–20(–35) × 1–2(–3.5) mm, not fleshy, faces piloso-strigose to strigose.

Involucres

± campanulate to hemispheric, (6–)10–15(–20) mm diam.

± campanulate to hemispheric, (5–)7–13 mm diam.

Ray florets

(8–)13–34+;

corollas white or pinkish adaxially, laminae 5–8(–12+) mm, abaxially usually glabrous, sometimes glandular-puberulent at bases.

10–25+;

corollas white or pinkish adaxially, laminae 5–10 mm, usually glabrous, sometimes glandular-puberulent abaxially.

Disc florets

60–80+;

corollas 4.5–6.5+ mm.

(20–)40–80;

corollas 2–3.5+ mm.

Phyllaries

16–28+ in 3–4+ series, the longer ± lance-ovate to lanceolate, (6–)8–9(–12+) mm (l/w = 2.5–5), apices acute, abaxial faces strigose.

22–40+ in 4–5 series, the longer ± lance-ovate to lanceolate, 5–8 mm (l/w = 2.5–5), apices acute, abaxial faces strigose.

Heads

at tips of stems (usually surpassed by leaves).

at tips of stems (usually surpassed by leaves).

Cypselae

3.5–4.5+ mm, faces hairy, hair tips glochidiform;

pappi persistent;

on ray cypselae 15–30 lanceolate or subulate to setiform scales 0.3–0.6 or 4–6+ mm;

on disc cypselae 15–30+ subulate to setiform scales 4–6+ mm.

2–3+ mm, faces hairy, hair tips glochidiform;

pappi persistent;

on ray cypselae 12–20(–30) lanceolate to subulate scales 0.2–0.5(–1.5) mm;

on disc cypselae 15–25+ subulate to setiform scales 2.5–3+ mm.

2n

= 18.

Townsendia incana

Townsendia fendleri

Phenology Flowering Apr–Jul. Flowering Jun–Aug.
Habitat Sandy soils, rocky benches, shales, with pinyons and junipers Sandy or rocky soils, desert scrub, pinyon/juniper woodlands
Elevation 1100–2200 m (3600–7200 ft) 1200–2400 m (3900–7900 ft)
Distribution
from FNA
AZ; CO; MT; NM; NV; UT; WY
[WildflowerSearch map]
[BONAP county map]
from FNA
CO; NM
[WildflowerSearch map]
[BONAP county map]
Discussion

Of conservation concern.

Upon naming Townsendia fendleri, Gray stated that it “most resembles” T. fremontii Torrey & A. Gray (i.e., T. incana). I feel that the affinity of T. fendleri may be closer to T. strigosa than to T. incana.

(Discussion copyrighted by Flora of North America; reprinted with permission.)

Source FNA vol. 20, p. 199. FNA vol. 20, p. 199.
Parent taxa Asteraceae > tribe Astereae > Townsendia Asteraceae > tribe Astereae > Townsendia
Sibling taxa
T. annua, T. aprica, T. condensata, T. eximia, T. exscapa, T. fendleri, T. florifera, T. formosa, T. glabella, T. grandiflora, T. gypsophila, T. hookeri, T. jonesii, T. leptotes, T. mensana, T. microcephala, T. minima, T. montana, T. parryi, T. rothrockii, T. scapigera, T. smithii, T. spathulata, T. strigosa, T. texensis
T. annua, T. aprica, T. condensata, T. eximia, T. exscapa, T. florifera, T. formosa, T. glabella, T. grandiflora, T. gypsophila, T. hookeri, T. incana, T. jonesii, T. leptotes, T. mensana, T. microcephala, T. minima, T. montana, T. parryi, T. rothrockii, T. scapigera, T. smithii, T. spathulata, T. strigosa, T. texensis
Synonyms T. arizonica
Name authority Nuttall: Trans. Amer. Philos. Soc., n. s. 7: 305. (1840) A. Gray: Mem. Amer. Acad. Arts, n. s. 4: 70. (1849)
Web links