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oppositeleaf bahia, plains bahia

Woodhouse's bahia, Woodhouse's false bahia

Habit Plants ± erect or spreading, 3–15(–20+) cm. Plants ± erect, 3–15(–18+) cm.
Leaf

lobes lanceolate to linear, 10–25+ × 1–3(–8) mm, faces ± canescent-scabrellous and gland-dotted.

lobes narrowly lanceolate to linear, 8–20+ × 1–2(–5) mm, faces sparsely scabrellous and gland-dotted.

Involucres

broadly turbinate to hemispheric, 5–6+ × 6–9+ mm.

± turbinate or obconic to hemispheric, 5–6+ × 4–6+ mm.

Ray florets

3–5(–6);

corollas pale yellow, laminae 3–5 mm.

3–8;

corollas pale yellow (sometimes ochroleucous), laminae 2–5 mm.

Disc florets

30–60+;

corollas 3.5–5 mm.

20–35+;

corollas 3–3.5 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.

3–4 mm, seldom gland-dotted, usually hirsutulous (at least at bases);

pappus scales usually lanceolate to linear-subulate, 0.8–1.2(–2) mm.

2n

= 48.

= 24.

Picradeniopsis oppositifolia

Picradeniopsis woodhousei

Phenology Flowering Jun–Oct. Flowering May–Sep.
Habitat Roadsides, saline flats, shale sites Roadsides, etc., on sandy, silty, or loamy soils of grasslands, plains, or prairies
Elevation 900–2500 m [3000–8200 ft] 1000–1700 m [3300–5600 ft]
Distribution
from FNA
AZ; CO; KS; MT; ND; NE; NM; OK; SD; TX; WY
[WildflowerSearch map]
[BONAP county map]
from FNA
AZ; CO; KS; NM; OK; TX
[WildflowerSearch map]
[BONAP county map]
Parent taxa Asteraceae > tribe Heliantheae > subtribe Chaenactidinae > Picradeniopsis Asteraceae > tribe Heliantheae > subtribe Chaenactidinae > Picradeniopsis
Sibling taxa
P. woodhousei
P. oppositifolia
Synonyms Trichophyllum oppositifolium, Bahia oppositifolia Achyropappus woodhousei, Bahia woodhousei
Name authority (Nuttall) Rydberg: in N. L. Britton, Man. Fl. N. States, 1008. (1901) (A. Gray) Rydberg: Bull. Torrey Bot. Club 37: 333. (1910)
Source Flora of North America vol. 21, p. 385. Flora of North America vol. 21, p. 385.
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