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canchalagua, dwarf Mexican marigold, feathery false threadleaf, pinnate false threadleaf, Wislizenus' false threadleaf, Wright's false threadleaf

Habit Plants (10–)25–40(–70+) cm.
Stems

usually strictly erect.

Leaves

mostly 10–25(–40) mm;

blades linear or lobed (lobes 3–7+, linear to filiform), faces scaberulous (hairs ± conic, 0.1 mm) and gland-dotted.

Peduncles

mostly (3–)8–25(–30+) mm.

Involucres

obconic or obpyramidal, 4–6+ mm (each often subtended by 1–3, lanceolate bractlets).

Ray florets

usually 1(–2), sometimes 0;

corollas yellow to white, laminae 0.8–1.2+ mm.

Disc florets

2–6(–8+);

corollas yellow (sometimes with purple), 1.5–2 mm.

Phyllaries

4–6, green to purple, weakly carinate, oblanceolate to obovate, gland-dotted, otherwise usually glabrous.

Cypselae

blackish to buff, 3–4 mm, hirsutulous to villous, especially on angles;

pappi of 8 white to tawny or purplish, obovate-rounded or elliptic to lanceolate scales 1–2.5 mm (sometimes some or all ± aristate).

2n

= 20, 22, 40.

Schkuhria pinnata

Phenology Flowering Sep–Oct.
Habitat Roadsides, pastures, wooded slopes
Elevation 1500–2100 m (4900–6900 ft)
Distribution
from FNA
AZ; NM; TX; Mexico; Central America; South America
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Discussion

Schkuhria pinnata has been noted as persisting after plantings in Maine. Schkuhria pinnata (Lamarck) Kuntze var. wislizeni (A. Gray) B. L. Turner is a superfluous, illegitimate, name intended to refer to North American plants of S. pinnata.

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

Source FNA vol. 21, p. 382.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Chaenactidinae > Schkuhria
Sibling taxa
S. multiflora
Synonyms Pectis pinnata, S. anthemoidea, S. anthemoidea var. wislizeni, S. anthemoidea var. wrightii, S. virgata, S. wislizeni, S. wislizeni var. frustrata, S. wislizeni var. wrightii
Name authority (Lamarck) Kuntze ex Thellung: Repert. Spec. Nov. Regni Veg. 11: 308. (1912)
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