Grindelia oölepis

S. F. Blake

Proc. Biol. Soc. Wash. 41: 139. 1928.

Treatment appears in FNA Volume 20. Treatment on page 430. Mentioned on page 424, 427, 431.

Perennials, 15–35(–55) cm. Stems decumbent to ascending (from rhizomes), dull green, mostly glabrous, sometimes distally puberulous. Cauline leaf blades lanceolate-oblong or lanceolate to oblanceolate or linear, 10–60 mm (smaller distally), lengths 5–10 times widths, bases ± clasping, margins denticulate (teeth apiculate) or entire, apices acute, faces glabrous or puberulous to scabridulous, little, if at all, gland-dotted. Heads borne singly. Involucres hemispheric to campanulate, 6–9 × 8–14 mm. Phyllaries in 4–5+ series, slightly spreading to appressed, lanceolate to oblong or ovate, apices slightly recurved or ± straight, rounded to acute, slightly, if at all, resinous. Ray florets 0. Cypselae stramineous or yellow-brown, 2–3 mm, apices smooth or ± coronate, faces smooth or ± rugose; pappi of 1–2, ± straight, smooth, setiform awns or subulate scales 4–4.5 mm, shorter than disc corollas. 2n = 12.


Phenology: Flowering (May–)Sep–Dec.
Habitat: Black, "gumbo" clay soils
Elevation: 0–20 m

Discussion

Grindelia oölepis is expected in Mexico (Nuevo León, Tamaulipas).

Selected References

None.

Lower Taxa

None.