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

Flora Data (Last Modified On 6/4/2013)
Species Austroeupatorium R. M. King & H. Robinson
PlaceOfPublication Phytologia 19: 433. 1970
Note TYPE: Eupatorium inulaefolium H.B.K.
Description Erect perennial herbs or subshrubs, with few branches. Lower leaves opposite, upper leaves often subopposite or alternate, with short petioles; blades ovate to narrowly oblong, the margins usually crenulate to serrulate. Inflorescence a flattened corymbose panicle. Heads discoid with 9-23 florets; involucral bracts 12-18, mostly unequal, subimbricate, in 2-3 series, spreading at maturity; receptacle glabrous, plane or slightly convex; corolla narrowly funnelform with somewhat narrow tube, glands on outer surface, the cells of the corolla narrow with sinuous walls, the lobes without papillae or stomata; anther collars narrow with mostly quadrate or short-oblong cells, the walls with prominent annular thickenings, the exothecial cells quadrate, the anther appendage longer than wide; style base densely hirsute, not inflated, the style appendages linear, covered with short papillae. .Achenes prismatic with 5 ribs, usually with glands, without bristles; carpopodium distinctly enlarged, sometimes elongate, the cells enlarged with thin walls; pappus of 30-40 slender scabrous bristles in one series, persistent, the apical cells often enlarged and blunt. Pollen with short spines.
Habit herbs or subshrubs
Distribution The genus contains about 11 species found mainly in South America. One species has been collected in Panama and is also adventive in some parts of the Old World.
Reference King, R. M. & H. Robinson. 1970. Studies in the Eupatorieae (Compositae). XXVI. A new genus Austroeupatorium. Phytologia 19: 433-435.
 
 
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