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The Cutting Edge
Volume XII, Number 3, July 2005
News and Notes | Recent Treatments | Leaps and Bounds |
Germane Literature | Season's Pick | Annotate your copy
GESNERIACEAE. R. Kriebel (INB). This important family, comprising mainly herbs that are
frequently epiphytic, is represented in Costa Rica by 27 genera with 134 spp. The three most diverse genera
(and the only ones in double figures) are Columnea (s. l.), Drymonia, and Besleria,
with 36, 22, and 15 spp., respectively. The spp. indicated as endemic to Costa Rica total 23, with 11 in
Columnea, three in Drymonia, two each in Besleria, Nautilocalyx, and
Paradrymonia, and one apiece for Alloplectus, Gasteranthus, and Neomortonia.
Provisional or unpublished names are utilized for five spp. (one each in Alloplectus and
Columnea and three in Drymonia), of which four are among the ostensible endemics. No spp.
known only from cultivation are formally treated, but Gloxinia perennis (L.) Fritsch is apparently not
native in Costa Rica (though widely naturalized). One significant taxonomic innovation at the generic level is
ventured here: Oerstedina is synonymized under Rufodorsia, with the new combination still
pending for the single Costa Rican sp. affected. Curiously omitted is any mention of the genus Alsobia
(sometimes lumped in Episcia), even though A. dianthiflora (H. E. Moore & R. G. Wilson)
Wiehler has been recorded (albeit somewhat dubiously) from Costa Rica.
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