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Prionosciadium watsonii
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Asterids
Order:	Apiales
Family:	Apiaceae
Genus:	Prionosciadium
Species:	P. watsonii
Binomial name
Prionosciadium watsonii J.M. Coult. & Rose
Synonyms
Peucedanum mexicanum S. Wats.

Prionosciadium watsonii is a plant species known from the Mexican states of Durango and Sinaloa.

Prionosciadium watsonii is a biennial herb with a large taproot. Leaves are compound with narrowly lanceolate, some of the leaflets with narrowly lanceolate lobes. Flowers are borne in umbels on the tips of branches.

References

1. Tropicos, Peucedanum mexicanum
2. J.M. Coulter & J.M. Rose Proceedings of the American Academy of Arts and Sciences 25: 150. 1890.
3. CONABIO. 2009. Catálogo taxonómico de especies de México. 1. In Capital Nat. México. CONABIO, Mexico City.
4. Coulter, John Merle, & Rose, Joseph Nelson. Proceedings of the American Academy of Arts and Sciences 25: 150. 1890.
5. Mathias, M. E. & L. Constance. 1973. New and reconsidered Mexican Umbelliferae. Contr. Univ. Michigan Herb. 11(1): 1–24
6. Field Museum, Neotropical Herbarium Specimens

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• Apioideae
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• Flora of Durango
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• Taxa named by John Merle Coulter
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