Flora of North America species comparison

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Townsendia microcephala

smallhead Townsend daisy
Habit Perennials, 1–3 cm (usually ± pulvinate).
Stems

± erect;

internodes 0.1–1 mm, ± villous.
Leaves

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

± campanulate, 4–8 mm diam.
Ray florets

13–17;

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

number unknown;

corollas 4 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.
Heads

± sessile.
Cypselae

3–4 mm, faces glabrous or glabrate;

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

Townsendia microcephala
Phenology Flowering Jul.
Habitat Rocky slopes
Elevation 2600 m (8500 ft)
Distribution
from FNA
WY
[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.)
Source FNA vol. 20, p. 196.
Parent taxa 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
Name authority Dorn: Madroño 39: 189, fig. 1. (1992)
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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