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Chaetopappa parryi A. Gray [family COMPOSITAE]

Date Updated: 23 July 2012

Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 20,
Names
Chaetopappa parryi A. Gray [family COMPOSITAE], Proc. Amer. Acad. Arts, 16: 82. 1880
Treatment Author(s)
Guy L. Nesom
Information
Perennials, 10–35 cm, eglandular; fibrous-rooted with slender, branching rhizomes. Leaves (basal often persistent at rhizome tips) not densely overlapping; blades spatulate to spatulate-obovate, 15–30(–40) × 2–5 mm, gradually or little reduced distally, herbaceous, bases attenuate, not clasping, flat (2-grooved adaxially), faces hispido-pilose to strigose or glabrate. Involucres cylindro-turbinate, 4–6 × 2–4 mm. Ray florets 7–9; corollas white. Disc florets 10–15, bisexual. Cypselae 1.9–2 mm, 3–5-nerved, faces glabrate to sparsely strigose; pappi hyaline crowns of basally fused scales 0.3–0.8 mm in 1 series. 2n = 16.
Phenology
may (spring), jun-aug (summer), sep-oct (fall)
Altitude range
1400–1600 m;
Distribution
Mexico (Coahuila).Mexico (Nuevo León).Mexico (San Luis Potosí).Mexico (Tamaulipas).USA Tex.

Date Updated: 23 July 2012

Herbarium
Flora of North America (FNA)
Collection
Flora of North America
Resource Type
Reference Sources
Entry From
Flora of North America, Vol 20,
Names
Chaetopappa parryi A. Gray [family COMPOSITAE], Proc. Amer. Acad. Arts, 16: 82. 1880
Treatment Author(s)
Guy L. Nesom
Information
Perennials, 10–35 cm, eglandular; fibrous-rooted with slender, branching rhizomes. Leaves (basal often persistent at rhizome tips) not densely overlapping; blades spatulate to spatulate-obovate, 15–30(–40) × 2–5 mm, gradually or little reduced distally, herbaceous, bases attenuate, not clasping, flat (2-grooved adaxially), faces hispido-pilose to strigose or glabrate. Involucres cylindro-turbinate, 4–6 × 2–4 mm. Ray florets 7–9; corollas white. Disc florets 10–15, bisexual. Cypselae 1.9–2 mm, 3–5-nerved, faces glabrate to sparsely strigose; pappi hyaline crowns of basally fused scales 0.3–0.8 mm in 1 series. 2n = 16.
Phenology
may (spring), jun-aug (summer), sep-oct (fall)
Altitude range
1400–1600 m;
Distribution
Mexico (Coahuila).Mexico (Nuevo León).Mexico (San Luis Potosí).Mexico (Tamaulipas).USA Tex.
Chaetopappa parryi A. Gray [family COMPOSITAE]
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