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

smallhead Townsend daisy

Black Rock Townsend daisy

Habit Perennials, 1–3 cm (usually ± pulvinate). Perennials, 3–8(–12+) cm (usually ± pulvinate).
Stems

± erect;

internodes 0.1–1 mm, ± villous.

± erect;

internodes 0.1–1 mm, ± scabrellous.

Leaves

basal and cauline, ± spatulate to oblanceolate, 3–8(–18) × 1–2.5 mm (not fleshy), faces ± villous.

basal and cauline, ± spatulate to oblanceolate, 15–50(–80) × 2–6(–11) mm, little, if at all, fleshy, faces ± scabrellous.

Involucres

± campanulate, 4–8 mm diam.

± hemispheric to campanulate, 10–15 mm diam.

Ray florets

13–17;

corollas white adaxially, laminae 5–8 mm, glabrous abaxially.

12–21;

corollas white adaxially, laminae 6–12+ mm, glabrous abaxially.

Disc florets

number unknown;

corollas 4 mm.

60–80+;

corollas 3.5–5 mm.

Phyllaries

ca. 26 in 3–4 series, the longer ± lanceolate, 5–8 mm (l/w = 3–5), apices acute, abaxial faces ± strigose to villous.

14–26 in 2–3+ series, the longer lance-ovate to lanceolate, 9–11 mm (l/w = 3–5), apices attenuate, abaxial faces piloso-strigose to strigose.

Heads

± sessile.

on scapiform peduncles 30–80(–120) mm.

Cypselae

3–4 mm, faces glabrous or glabrate;

pappi readily falling, of 15–20 subulate to setiform scales 3–5 mm (± connate basally).

2.5–3.5 mm, faces hairy, hair tips entire;

pappi persistent, 16–20+ lanceolate to subulate scales 0.2–0.8 mm (± connate).

2n

= 18.

Townsendia microcephala

Townsendia smithii

Phenology Flowering Jul. Flowering May.
Habitat Rocky slopes Volcanic soils, pinyon or yellow pines
Elevation 2600 m (8500 ft) 2000–2400 m (6600–7900 ft)
Distribution
from FNA
WY
[BONAP county map]
from FNA
AZ
[BONAP county map]
Discussion

Of conservation concern.

The type of Townsendia microcephala may prove to be conspecific with that of T. spathulata.

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

Of conservation concern.

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

Source FNA vol. 20, p. 196. 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. incana, T. jonesii, T. leptotes, T. mensana, 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. jonesii, T. leptotes, T. mensana, T. microcephala, T. minima, T. montana, T. parryi, T. rothrockii, T. scapigera, T. spathulata, T. strigosa, T. texensis
Name authority Dorn: Madroño 39: 189, fig. 1. (1992) L. M. Shultz & A. H. Holmgren: Brittonia 32: 144, fig. 1. (1980)
Web links