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Project Name Data (Last Modified On 6/4/2013)
 

Flora Data (Last Modified On 6/4/2013)
Genus Brickellia Elliott
PlaceOfPublication Sketch Bot. South Carolina and Georgia 2: 290. 1824 (1822),
Note TYPE: B. cordifolia Elliott.
Synonym Kuhnia L., Sp. P1., ed. 2. 1662. 1763. TYPE: K. eupatorioides L. Coleosanthus Cass., Bull. Soc. Philom. 1817: 76. 1817. TYPE: C. cavanillesii Cass. Rosalesia La Llave & Lexarza, Nov. Veg. Desc. 1: 14. 1824. TYPE: R. glandulosa La Llave in La Llave & Lexarza = Brickellia cavanillesii (Cass.) A. Gray. Clavigera DC., Prodr. 5: 127. 1836. TYPE: C. corymbosa DC. Bulbostylis DC., Prodr. 5: 138. 1836. TYPE: Coleosanthus cavanillesii Cass. Ismaria Raf., Sylva Tell. 117. 1838. TYPE: I. glandulosa Raf.
Description Small to robust usually erect perennial herbs or subshrubs. Leaves opposite to alternate, sessile to petiolate; blades linear to broadly ovate, rarely trilobate, the margins subentire to coarsely serrate, teeth sometimes spiculiferous. Inflores- cence paniculate to corymbose or racemose, rarely monocephalic. Heads discoid with 4-62 florets; involucre of 20-50 obtuse to long-acute subimbricate bracts, in 3-5 series; receptacle glabrous, usually flat; corolla narrowly tubular, usually constricted above, the lobes usually oblong-ovate, smooth, outer surface usually with glands, the cells of the corolla narrow with sinuous walls; anther collar with mostly oblong cells and with prominent annular thickenings, the exothecial cells subquadrate or wider than long, the anther appendage longer than wide, mostly oblong-ovate; style base with distinct enlarged node and dense contorted pubes- cence, the style appendage usually with very elongate thickened tips (slender in one species). Achenes prismatic with ca. 10 ribs, few to many bristles mostly between the ribs; carpopodium distinct, slightly to distinctly asymmetric, the cells small, mostly quadrate; pappus of 15-40 bristles, with flattened outer surface and scabrous to plumose lateral margins.
Habit herbs or subshrubs
Distribution Brickellia contains about 100 species ranging from the southern United States to Mexico, Central America, and South America.
Note The great majority of the species are Mexican with only one species, B. diffusa, occurring in Panama and South America.
Reference Robinson, B. L. 1917. A monograph of the genus Brickellia. Mem. Gray Herb. 1: 3-151.
 
 
 
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