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Chaenactis lacera Greene

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Comprehensive Description

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Chaenactis lacera Greene, Pittonia 1: 291. 1889
An annual, scurf y-canescent when young; stem 3-5 dm. high, branched, glandularpuberulent in the inflorescence; leaves 5-10 cm. long, ovate-lanceolate in outline, hior tripinnate into linear divaricate and flexuose segments ; heads corymbose; involucre hemispheric, 12-13 mm. high, 12-15 mm. broad; bracts 15-18, linear, acute or acuminate, glandularpuberulent and viscid-hirsute; corollas all alike, white, 6 mm. long; achenes clavate-linear, compressed, hispidulous and glandular-granuHferous; squamcllae 8-10, lanceolate, acute,, lacerate.
Type locality: Bay of San Bartolome, Lower California. Distribution: Lower California.
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bibliographic citation
Per Axel Rydberg. 1914. (CARDUALES); CARDUACEAE; HELENIEAE. North American flora. vol 34(1). New York Botanical Garden, New York, NY
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Chaenactis lacera

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Chaenactis lacera is a Mexican species of flowering plants in the aster family. It grows on the Baja California Peninsula in northwestern Mexico, the States of Baja California (sometimes erroneously called Baja California Norte) and Baja California Sur.[1]

Chaenactis lacera is a branching annual sometimes exceeding 30 cm (12 inches) in height. Flower heads are numerous, with white disc florets but no ray florets.[2][3]

References

  1. ^ Tropicos, Chaenactis lacera Greene
  2. ^ Greene, Edward Lee 1889. Pittonia 1(20): 291
  3. ^ Shreve, F. & I. L. Wiggins. 1964. Vegetation and Flora of the Sonoran Desert 2 vols. Stanford University Press, Stanford.

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Chaenactis lacera: Brief Summary

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Chaenactis lacera is a Mexican species of flowering plants in the aster family. It grows on the Baja California Peninsula in northwestern Mexico, the States of Baja California (sometimes erroneously called Baja California Norte) and Baja California Sur.

Chaenactis lacera is a branching annual sometimes exceeding 30 cm (12 inches) in height. Flower heads are numerous, with white disc florets but no ray florets.

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