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Manual de Plantas de Costa Rica

Main | Family List (MO) | Family List (INBio) | Cutting Edge
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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

VEGETACIÓN/VEGETATION. On pp. 159 (English) and 162 (Spanish) of our introductory volume, the floating aquatic Nymphaea ampla (Salisb.) DC. (Nymphaeaceae) is attributed to Parque Nacional Palo Verde. This is antiquated nomenclature, and we should have known better. The correct name for the entity alluded to is Nymphaea pulchella DC., common throughout the Guanacaste region. The real N. ampla does indeed occur in Costa Rica, but only in more humid zones (Atlantic slope and Golfo Dulce region). Until just a few years ago, N. pulchella was widely considered merely a var. of N. ampla (so we were not too far off the mark). We thank Manual Nymphaeaceae contributor Garrett E. Crow (NHA) for bringing this to our attention.

POACEAE. Manual co-PI Barry Hammel has discovered a problem in the key to Chusquea spp. involving C. patens L. G. Clark, a sp. that he recently collected. According to the first couplet in the key, the branch-leaves of C. patens are supposed to be glabrous abaxially (“…sin tricomas en el envés”); in fact, they are at least potentially pubescent (“glabra o pilosa,” according to the Manual description), and are uniformly so on Barry’s collection. He suggests that the second lead of couplet 1 be modified to read “Láminas foliares de las ramas glabras o (menos frecuente) uniformemente pubescentes en el énves,” or something along those lines. Incidentally, Barry’s determination was confirmed by specialist Lynn G. Clark (ISC) on the basis of a scanned image.

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