Richardia


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Richardia

 

(also Richardsonia), a genus of herbaceous plants of the family Rubiaceae. The plants have opposite leaves and thickened moniliform roots. The approximately ten species are all distributed in South America. The roots of R. brasiliensis and some other species, resemble ipecac uanha roots, and they were used to forge the latter.

References in periodicals archive ?
88 times more micronutrients in Richardia brasiliensis, in relation to the content found in coffee.
Also evaluated were several common weeds: creeping indigo, Indigofera spicata (Fabaceae); livid amaranth, Amaranthus blitum (Amaranthaceae); pokeweed, Phytolacca americana (Phytolaccaceae); American sicklepod, Senna obtusifolia (Fabaceae);wild poinsettia, Poinsettia heterophylla (Euphorbiaceae); white clover, Trifolium repens (Fabaceae); Old World diamond flower, Hedyotis corymbosa (Rubiaceae); Brazilian pusley, Richardia brasiliensis (Rubiaceae); and common ragweed, Ambrosia artemisiifolia (Asteraceae).
Miconia biappendiculata Myrsine coriacea Pennisetum clandestinum Asplenium aureum Richardia scabra Nertera granadensis Polypodium remotum Calycophysum weberbaweri (.
These sex-related morphological differences have only been documented for species of Richardia Robineau-Desvoidy, especially those with antler-like genal process (Enderlein 1912; Wendt and Ale-Rocha, in press) and stalked-eyes, and for species of Megalothoraca Hendel and Batrachophthamum (Carvalho et al.
Tonduz Rhynchospora nervosa 1906-11-29 Oton Jimenez 124 Richardia scabra 1896-07-31 A.