R h e x ia r am is te t r a g o n i s , c a ly c ib u s fo liis q u e s u b tu s f e r ru g in e o -
h i r s u t i s , s u p r a s tr ig o s is , e l lip t ic i s , in t e g e r r im is , q u in q u e n e r v i i s ,
c o r ia c e is ; p a n ic u b s te rm in a lib u s , s e s s ilib u s ; f lo r ib u s c o rv in b o s o -
fa s c ic u la tis , o c ta n d r is .
F r u t e x ramis oppositis, tetragonis, ferrugineo - hirsutis. Folia
opposita, conformia, petiolata, elliptica, acutiuscula, basi rotun-
data, integerrima, reticulato-quinquenervia, nervis subtus
promiuentibus, duobus extimis obsoletis, coriacea, supra strigoso-
hispida, subtus sericeo-hirsuta et ferruginea, pracsertim in
nervis, a |- 2^ pollices longa, 16- 18 lineas lata. Petioli 4-5
lineas longi, canaliculati, hispido - hirsuti, ferruginei, basi
dilatati et subconnati. Paniculse terminales, sessiles, ramosissima
foliatee; ramis oppositis, patulis, tetragonis, ferrugineo-hirsutis.
Flores in ramulis corymboso-fasciculati, pedicellati, bracteati,
magnitudine floris Epilobii hirsuti ; bracteis lanceolatis pedicel-
lisque hirsutis. Calyx hirsutas; tubus campanulato-turbinatus;
limbus quadripartitus ; laciniis linearibus, apice angustato-su-
bulatis, .'equaIi Ini s , tubo parum brevioribus. Corolla tetrapetala,
violacea, glabra, summo tubo calycis inserta; pétala vix unguicu-
lata, subrotundo-ovata, obtusa, laciniis calycinis triplo quadra-
piove longiora, patentia, aequalia. Stamina octo, ibidem inserta,
sequalia. Filamenta linearia, glabra, superne et quidem latere
interiore glanduloso-pilosa. Antherae lineares, biloculares, glabrae,
basi affixae ; loculis angustis, appositis, connexivo interne adnatis,
poro terminali dehiscentibus ; connexivo infra lóculos producto
bàsique incrassato. Ovarium ellipticum, liberum, tubo calycis
dimidio brevius, apice hispidulum. Stylus terminalis, erectas
fìliformis, stamina superans, glaber. Stigma simplex. Fructus a
me haud visus.
Habitat in Regno Brasiliensi.