Author
Ryan Durel
Capitula/Head
Heads axillary, solitary, subsessile, peduncle occasionally to 15 mm long. Involucre narrowly oblong-oblanceoloid, 6-7×2.5-3.5 mm. Involucral bracts 4, concave, lanceolate, acuminate and apiculate, entire, 6-7×3-3.5 mm, glabrous within, strigillose without.
Common Name
Straggler Daisy
Disk Flowers
Disc florets 3-8; corolla yellow, 2.6-3.6 mm long, densely papillose within; anthers black, ca. 1 mm long, apical appendages lanceolate, obtuse; achenes similar to those of ray florets but slightly narrower and thicker, sometimes 3-angled, 1.1-1.7 mm across, evidently muricate.
Ecology
Perennial; found growing in patches in lawns, along paths and roads next to buildings in various soils; 0–300 m; Alabama, Florida, Louisiana, Mississippi, Texas; Mexico; Central America.
Asteraceae
Family
Achenes flattened, surfaces tuberculate; 1.1-1.7 mm.
Fruit
Heads radiate, borne singly in leaf/bract axils.
Inflorescence
Leaves ovate to broadly ovate, to 35×25 mm, densely appressed strigillose on both surfaces, hirtellous especially on lower surface, apex acute, apiculate, margins crenate-serrate, base attenuate; petiole 3-8 mm long, narrowly winged toward blade, margins ciliate.
Leaves
Paleae hyaline, narrowly elliptic, 3.5-4.8×0.8-1 mm.
Palea
Mostly of 2, stout, persistent erect to spreading awns, the 1–3 mm long; similar on ray and disk florets.
Pappus
Herbaceous perennials; stems prostrate, many from base, to 30 cm, rooting at nodes, densely strigillose, hairs appressed.
Plant and Stem Features
Ray florets 3–8, pistillate; corollas pale yellow; laminae 2–5 mm.
Ray Flowers
Conquist, A. 1980. Vascular Flora of the Southeastern United States, Vol. I, Asteraceae. The University of North Carolina Press, Chapel Hill.
-- Merge record --
Strother, J. L. 2006. Calyptocarpus. In: Flora
References
Asteraceae, Calyptocarpus, vialis