Townsendia microcephala
Townsendia florifera
smallhead Townsend daisy
± erect;
internodes 0.1–1 mm, ± villous.
decumbent to erect;
internodes 3–12(–15+) mm, piloso-strigose.
basal and cauline, ± spatulate to oblanceolate, 3–8(–18) × 1–2.5 mm (not fleshy), faces ± villous.
basal and cauline, blades spatulate to linear, 10–25(–50+) × 2–3(–8+) mm, not fleshy, faces ± strigose.
± campanulate, 4–8 mm diam.
± hemispheric or broader, 16–20(–30) mm diam.
13–17;
corollas white adaxially, laminae 5–8 mm, glabrous abaxially.
13–34+;
corollas white or pinkish adaxially, laminae (8–)10–18+ mm, abaxially usually glandular-puberulent, rarely glabrous.
number unknown;
corollas 4 mm.
(80–)100–150+;
corollas (4–)5.5–6+ mm.
ca. 26 in 3–4 series, the longer ± lanceolate, 5–8 mm (l/w = 3–5), apices acute, abaxial faces ± strigose to villous.
24–30+ in 3–4+ series, the longer ± lanceolate, (6–)9–11+ mm (l/w = 2.5–5), apices acute, abaxial faces strigose.
± sessile.
at tips of stems.
3–4 mm, faces glabrous or glabrate;
pappi readily falling, of 15–20 subulate to setiform scales 3–5 mm (± connate basally).
(3.5–)4–5+ mm, faces hairy, hair tips entire or forked;
pappi persistent;
on ray cypselae 20–30 subulate to setiform scales 2–6 mm;
on disc cypselae 20–30+ subulate to setiform scales (4–)5–7+ mm.
= 18.
Townsendia microcephala
Townsendia florifera
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.)
J. H. Beaman (1957) considered plants intermediate between Townsendia florifera and T. parryi to be hybrids. Such intermediates occur in Montana (e.g., Jones in 1905 from Gallatin Co. and Suksdorf 282 from Park Co.), outside the known distribution of T. florifera.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
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