Schkuhria pinnata

(Lamarck) Kuntze ex Thellung
Repert. Spec. Nov. Regni Veg. 11: 308. 1912.
Illustrated
Basionym: Pectis pinnata Lamarck J. Hist. Nat. 2: 150, plate 31. 1792
Synonyms: Schkuhria anthemoidea (de Candolle) J. M. Coulter Schkuhria anthemoidea var. wislizeni (A. Gray) Heiser Schkuhria anthemoidea var. wrightii (A. Gray) Heiser Schkuhria virgata Schkuhria wislizeni Schkuhria wislizeni var. frustrata S. F. Blake Schkuhria wislizeni var. wrightii (A. Gray) S. F. Blake
Treatment appears in FNA Volume 21. Treatment on page 382. Mentioned on page 383.

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


Phenology: Flowering Sep–Oct.
Habitat: Roadsides, pastures, wooded slopes
Elevation: 1500–2100 m

Distribution

V21-961-distribution-map.gif

Ariz., N.Mex., Tex., Mexico, Central America, South America.

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.

Lower Taxa

None.

... more about "Schkuhria pinnata"
John L. Strother +
(Lamarck) Kuntze ex Thellung +
Pectis pinnata +
Ariz. +, N.Mex. +, Tex. +, Mexico +, Central America +  and South America. +
1500–2100 m +
Roadsides, pastures, wooded slopes +
Flowering Sep–Oct. +
Repert. Spec. Nov. Regni Veg. +
turner1996b +
Illustrated +
Schkuhria anthemoidea +, Schkuhria anthemoidea var. wislizeni +, Schkuhria anthemoidea var. wrightii +, Schkuhria virgata +, Schkuhria wislizeni +, Schkuhria wislizeni var. frustrata +  and Schkuhria wislizeni var. wrightii +
Schkuhria pinnata +
Schkuhria +
species +