Picradeniopsis oppositifolia |
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oppositeleaf bahia, plains bahia |
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Habit | Plants ± erect or spreading, 3–15(–20+) cm. |
Leaf | lobes lanceolate to linear, 10–25+ × 1–3(–8) mm, faces ± canescent-scabrellous and gland-dotted. |
Involucres | broadly turbinate to hemispheric, 5–6+ × 6–9+ mm. |
Ray florets | 3–5(–6); corollas pale yellow, laminae 3–5 mm. |
Disc florets | 30–60+; corollas 3.5–5 mm. |
Cypselae | 3–5 mm, usually gland-dotted, seldom hirsutulous; pappus scales usually ovate or elliptic to obovate, sometimes lanceolate, 0.5–1.5 mm. |
2n | = 48. |
Picradeniopsis oppositifolia |
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Phenology | Flowering Jun–Oct. |
Habitat | Roadsides, saline flats, shale sites |
Elevation | 900–2500 m (3000–8200 ft) |
Distribution |
AZ; CO; KS; MT; ND; NE; NM; OK; SD; TX; WY
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Source | FNA vol. 21, p. 385. |
Parent taxa | Asteraceae > tribe Heliantheae > subtribe Chaenactidinae > Picradeniopsis |
Sibling taxa | |
Synonyms | Trichophyllum oppositifolium, Bahia oppositifolia |
Name authority | (Nuttall) Rydberg: in N. L. Britton, Man. Fl. N. States, 1008. (1901) |
Web links |