The sinuous and straight shape found in the anticlinal walls of epidermal cells was also described for other species of Rubiaceae as Psychotria longepedunculata and Psychotria glaziovii (Moraes et al., 2011), Simiragrazielae and Simira pikia (Moraes et al., 2009) and Rondeletia
odorata (Kocsis, Darok, & Borhidi, 2004).
Con veinte o mas endemismos totales se distinguen: Eugenia, Calyptranthes, Rondeletia
, Phyllanthus, Psychotria, Buxus, Leucocroton, Ossaea, Coccoloba, Croton y Gesneria.
on the steep headwall of the Penas Blancas valley) was dominated by Graffenrieda micrantha (Melastomataceae) and Rondeletia
monteverdensis (Rubiaceae) which accounted for 21.7 and 16.7% of all individuals, respectively.
Evidence is growing that orbicule wall development also involves a glycocalyx-template and white line centred lamellae were observed in sub-mature orbicules of Rondeletia
odorata (Rubiaceae; S.
pachyphylla Krug & Leptofila/redondeado Urb.
(2009) reported Rondeletia
(two threatened species) as paraphyletic with the Caribbean Island genus Stevensia (Rubiaceae) (11 species), this resulted in the recent merging of the latter within Rondeletia