Senna covesii (A. Gray) Irwin & Barneby
Family: Fabaceae
rattlebox senna,  more...
[Cassia covesii A. Gray]
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Liz Makings  
Wiggins 1964, Kearney and Peebles 1969
Duration: Perennial Nativity: Native Lifeform: Subshrub General: Perennial from a slightly woody base and woody rootstock with spreading and ascending branches 30-60 cm long and grayish to tawny-velvety pubescence throughout. Leaves: Stipules linear, 5-12 mm long, caducous; petioles 2-5 cm long, bearing a small apiculate gland on a stalk to 3 mm long between the lowest of 2-3 pairs of leaflets; leaflets elliptic to oblong or oblong-obovate to 1.5 cm wide, 1-3 cm long, rounded and mucronulate at apex. Flowers: Peduncles 3-7 cm long, normally surpassing leaves, 3-7 flowered, pedicels 1-1.5 cm long; sepals 6-8 mm long, densely hirsutulous, rounded at apex, thin; clawed petals 10-16 mm long, imbricated in bud, yellow, dark-veined. Fruits: Pod oblong, 5-6 mm wide, 2-3.5 cm long, moderately appressed-pubescent, bearing a subulate tip 2-4 mm long. Ecology: Found on flats and along washes, in gravelly and rocky soils from 1,000-3,000 ft (305-914 m); flowers April-October. Distribution: s CA, s NV, AZ, s NM; south to n MEX. Notes: Distinguished from S. bauhinioides by having 2-4 pairs of leaflets, rather than a single pair. Ethnobotany: Unknown Etymology: Senna is from Arabic Sena, while covesii is named for Elliot Coues (1842-1899) an American naturalist who is best known for his ornithological work. Synonyms: Cassia covesii Editor: SBuckley 2010, FSCoburn 2015
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Anthony Mendoza  
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Zachery Berry  
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Zachery Berry  
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Anthony Mendoza  
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Anthony Mendoza  
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Thomas Van Devender  
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Sue D. Carnahan  
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Zachery Berry  
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Thomas Van Devender  
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Anthony Mendoza  
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Zachery Berry  
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Thomas Van Devender  
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Zachery Berry  
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Thomas Van Devender  
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Liz Makings  
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Eugene, (Gene) Sturla  
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Dustin Wolkis  
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Liz Makings  
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Eugene, (Gene) Sturla  
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Dustin Wolkis  
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