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

Jones' Townsend daisy, Jones' townsendia

Habit Perennials, (1–)2–8(–12+) cm. Perennials, 1–2(–4) cm (usually ± pulvinate).
Stems

decumbent to erect;

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

± erect;

internodes 0.1–1 mm, ± scabrellous to strigose.

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 ± spatulate to oblanceolate, 7–15(–35+) × 1–2(–4+) mm, not fleshy, faces ± scabrellous to strigose.

Involucres

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

± campanulate, 8–14 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.

13–21;

corollas white adaxially, laminae 5–7+ mm, ± densely glandular-puberulent abaxially.

Disc florets

60–80+;

corollas 4.5–6.5+ mm.

40–80+;

corollas 4.5–5+ 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.

20–28 in 3–4+ series, the longer ± lanceolate, 4–8 mm (l/w = 2.5–5), sometimes glabrate, apices acute, abaxial faces usually sparsely strigillose.

Heads

at tips of stems (usually surpassed by leaves).

usually ± sessile, sometimes on scapiform peduncles 5–15+ mm.

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(–4+) mm, faces hairy, hair tips glochidiform or forked;

pappi persistent;

on ray cypselae 20–24 subulate to setiform scales 3–4+ mm;

on disc cypselae 20–24 subulate to setiform scales 4–6(–8) mm.

2n

= 18.

Townsendia incana

Townsendia jonesii

Phenology Flowering Apr–Jul. Flowering Apr–Jun.
Habitat Sandy soils, rocky benches, shales, with pinyons and junipers Rocky slopes, limestone slopes with pinyons
Elevation 1100–2200 m (3600–7200 ft) 2100–3000 m (6900–9800 ft)
Distribution
from FNA
AZ; CO; MT; NM; NV; UT; WY
[WildflowerSearch map]
[BONAP county map]
from FNA
AZ; NV; UT
[WildflowerSearch map]
[BONAP county map]
Discussion

The current circumscription of Townsendia jonesii is, perhaps, too lumpy. Some lumps might be better treated as distinct species and/or included within the circum-scription of T. scapigera.

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

Source FNA vol. 20, p. 199. FNA vol. 20, p. 202.
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. fendleri, T. florifera, T. formosa, T. glabella, T. grandiflora, T. gypsophila, T. hookeri, T. incana, 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 T. mensana var. jonesii
Name authority Nuttall: Trans. Amer. Philos. Soc., n. s. 7: 305. (1840) (Beaman) Reveal: Great Basin Naturalist 30: 35. (1970)
Web links