North American FloraNew York Botanical Garden., 1955 |
Autres éditions - Tout afficher
Expressions et termes fréquents
4-5 mm long Acad achenes acute Annual herb anthesis antrorsely apex apically aristae aristae retrorsely barbed basally base biaristate Bidens cernua Bidens connata Bidens pilosa Bidens tripartita bipinnate blade body branched ciliate cm long cm wide connata Coreopsis Cosmos cuneate Dahlia dentate disk-florets DISTRIBUTION dm tall elongate erect exaristate exterior achenes Field Mus glabrate glabrous heads hispid Hort inner bracts Jour lanceolate leaflets leaves opposite leaves petiolate less LIBRARIES STANFORD UNIVERSITY ligulate florets linear-oblong lobes margins membranous Mexico Michoacán mm long mm wide narrowly linear Nutt obcompressed oblong obovate obtuse outer bracts outer involucral bracts ovate ovate-lanceolate paleae pedunculate with peduncles Perennial herb petiolate with petioles petiole included pinnately plants Principal leaves Proc Prodr pubescent Publ radiate rarely retrorsely barbed Rhodora Schultz-Bip serrate Sherff slender slenderly pedunculate sparsely species STANFORD UNIVERSITY STANFORD UNIVERSITY LIBRARIES stem style-branches terminal tetragonal tripartite TYPE LOCALITY UNIVERSITY LIBRARIES STANFORD wings yellow