( 4038 ) 



Othonna tuberosa. Tuberous-rooted 

 Othonna ; or African Ragwort. 



Class and Order. 

 Syngenesia Necessaria. 



( Nat. Ord. — Composite. ) 



Generic Character. 



Capitulum radiatum, fl. radii ligulatis foemineis, disci, 

 masculis tubulosis 5-denticulatis (nee ut in Hertid bilabia- 

 tis). Recept. convexum subconicumve foveolatum, interd. 

 pilosiusculum. Invol. squamae uniseriales inter se late- 

 ribus plus minus concretae ante explic. eximie valvatae. 

 Slyli fl. masc. apice stigmatibus in conum concretis. Achce- 

 nia radii fertilia ovalia hirta aut glabra papillosa pappo 

 piloso multiseriali dense coronata ; disci abortiva cylindra- 

 cea glabriuscula., pappo 1-seriali depauperato. — Frutices 

 aut herbae Capenses. Folia varie incisa aut integra 7 car- 

 nosa aut membranacea. Capitula ad apices pedunculorum 

 solitaria, Jiava aut in paucissimis cyanea. De Cand. 



Specific Character and Synonyms. 



Othonna * tuberosa ; herbacea basi subhirsuta, radice tube- 

 rosa, collo lanuginoso, caulibus adscendentibus simpli- 

 cibus aut raro bifidis parce et basi foliosis, foliis radica- 

 libus petiolatis late ovatis obovatisve obtusis saepe basi 

 cordatis irregulariter crenatis, caulinis paucis obovatis 

 oblongisve integerrimis crenatisve, capitulis solitariis 

 ad apicem denudatumcaulis aut ramorum, invol. squa- 

 mis ligulisque 12 — 14, acheniis villosis. D C. 



Othonna tuberosa. Thunb. Prodr. p. 168. Fl. Cap. p. 

 720. De Cand. Prodr. v. 6. p. 480. 



Othonna 



* A name of Dioscorides, derived from ok»v, a linen cloth, or napkin, 

 in allusion to the downy covering of some of the original species. 



