EcoFlora - Ageratina

Ageratina
Family: Asteraceae	FNA Resources Guy L. Nesom in Flora of North America (vol. 21) Perennials, subshrubs, or shrubs [trees], mostly 20-220 cm. Stems usually erect, rarely scandent, sparsely to densely branched. Leaves cauline; mostly opposite (distal sometimes alternate); petiolate; blades 3(-5)-nerved from bases, usually deltate, lanceolate, ovate, rhombic, or triangular, sometimes orbiculate, margins entire, crenate, dentate, or serrate, faces glabrous or hispidulous, pilose, or puberulent, sometimes gland-dotted (A. occidentalis, A. adenophora). Heads discoid, usually in compact, (terminal and axillary) corymbiform arrays, sometimes borne singly. Involucres campanulate, 3-6 mm diam. Phyllaries persistent, 8-30 in 2(-3) series, 0- or 2-nerved, lanceolate to linear, ± equal (herbaceous). Florets 10-60; corollas white or lavender, throats obconic to campanulate (lengths 1.5-2 times diams.); styles: bases sometimes enlarged, glabrous, branches linear, seldom distally dilated. Receptacles convex (glabrous or hairy), epaleate. Cypselae prismatic or ± fusiform, usually 5-ribbed, scabrellous and/or gland-dotted; pappi usually persistent, sometimes fragile, rarely falling, of 5-40, barbellulate bristles in 1 series. x = 17.
Species within checklist: TNC: Green's Bluff and Environs, Owen County \|\| << 1 - 50 taxa >> Ageratina acevedoana Map not Available Ageratina acutidentata Map not Available Ageratina adenophora Map not Available Ageratina aegirophylla Map not Available Ageratina altissima Map not Available Ageratina amblyolepis Map not Available Ageratina ampla Map not Available Ageratina angustifolia Media not available Map not Available Ageratina anisochroma Map not Available Ageratina apollinairei Map not Available Ageratina areolaris Map not Available Ageratina aromatica Map not Available Ageratina arsenei Map not Available Ageratina astellera Map not Available Ageratina atrocordata Map not Available Ageratina ayerscottiana Media not available Map not Available Ageratina baccharoides Map not Available Ageratina badia Map not Available Ageratina beamanii Map not Available Ageratina bellidifolia Map not Available Ageratina blepharilepis Map not Available Ageratina brandegeana Map not Available Ageratina brevipes Map not Available Ageratina bustamenta Map not Available Ageratina caeciliae Map not Available Ageratina calaminthifolia Map not Available Ageratina calophylla Map not Available Ageratina campyloclada Map not Available Ageratina capillipes Media not available Map not Available Ageratina cardiophylla Map not Available Ageratina carmonis Media not available Map not Available Ageratina cartagoensis Media not available Map not Available Ageratina cerifera Map not Available Ageratina chazaroana Map not Available Ageratina chiapensis Map not Available Ageratina chimalapana $Media resource of Ageratina chimalapana$ Map not Available Ageratina choricephala Map not Available Ageratina choricephaloides Map not Available Ageratina ciliata Map not Available Ageratina collodes Map not Available Ageratina concordiana Media not available Map not Available Ageratina conspicua Map not Available Ageratina contorta Map not Available Ageratina crassiramea Map not Available Ageratina cremasta Map not Available Ageratina crenaea Map not Available Ageratina cronquistii Map not Available Ageratina cruzii $Media resource of Ageratina cruzii$ Map not Available Ageratina cylindrica Map not Available Ageratina deltoidea Map not Available