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Chrysactinia pinnata S. Wats.

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Comprehensive Description

provided by North American Flora
Chrysactinia pinnata S. Wats. Proc. Am. Acad. 25: 154. 1890
A shrub, 3 dm. high or more; branches glabrous or nearly so, slender, striate; leaves opposite, lanceolate in outline, 3-6 cm. long, pinnately divided into 7-21 obliquely deltoid segments, the upper margins of which are at about right angles to the rachis; peduncles 3-6 cm. long; involucre hemispheric, 6 mm. high, 8-10 mm. broad; bracts 8, each with a single oblong gland, glabrous; ligules 5-6 mm. long, ochroleucous inside, bright-orange outside; diskcorollas 4.5 mm. long; tube shorter than the trumpet-shaped throat; lobes triangular; achenes 3 mm. long, striate hispid; pappus tawny, 3.5 mm. long.
Type locautv: Near Monterey, Nuevo Le6n.
Distribution: Nuevo Le6n.
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bibliographic citation
Per Axel Rydberg. 1916. (CARDUALES); CARDUACEAE; TAGETEAE, ANTHEMIDEAE. North American flora. vol 34(3). New York Botanical Garden, New York, NY
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Chrysactinia pinnata

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Chrysactinia pinnata, is a Mexican species of flowering plants in the family Asteraceae. It is native to northeastern Mexico, the states of Coahuila, Nuevo León, Querétaro, San Luis Potosí, and Tamaulipas.[1][2][3]

Chrysactinia pinnata is a shrub up to 80 cm (32 inches) tall. Leaves are pinnately lobed. Flower heads have yellow ray flowers and yellow-orange disc flowers. Achenes are black. The species grows in forests and chaparral brushlands.[3][4]

References

  1. ^ Turner, B. L. 1996. The Comps of Mexico: A systematic account of the family Asteraceae, vol. 6. Tageteae and Athemideae. Phytologia Memoirs 10: i–ii, 1–22, 43–93.
  2. ^ Strother, J. L. 1977. Taxonomy of Chrysactinia, Harnackia, and Lescaillea (Compositae: Tageteae). Madroño 24: 129–139.
  3. ^ a b José Luis Villaseñor y María del Rosario Redonda–Martínez. 2009. El género Chrysactinia (Asteraceae, tribu Tageteae) en México. Revista mexicana de biodiversidad 80(1) in Spanish with line drawings and distribution maps
  4. ^ Watson, Sereno 1890. Proceedings of the American Academy of Arts and Sciences 25: 154–155

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Chrysactinia pinnata: Brief Summary

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Chrysactinia pinnata, is a Mexican species of flowering plants in the family Asteraceae. It is native to northeastern Mexico, the states of Coahuila, Nuevo León, Querétaro, San Luis Potosí, and Tamaulipas.

Chrysactinia pinnata is a shrub up to 80 cm (32 inches) tall. Leaves are pinnately lobed. Flower heads have yellow ray flowers and yellow-orange disc flowers. Achenes are black. The species grows in forests and chaparral brushlands.

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