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The Cutting Edge
Volume XVIII, Number 3, July 2011
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CUCURBITACEAE. A rather scrappy specimen collected by CR botanist Armando Estrada from the foothills of the Cordillera de Talamanca near Puerto Limón appears to be a good match for Psiguria dunlapii (Standl.) Hampshire, especially in its consistently simple leaves. This entity—previously known only from the type collected in Prov. Bocas del Toro, Panama—was mentioned in the Manual as potentially occurring in Costa Rica. The name P. dunlapii was summarily synonymized under P. triphylla (Miq.) C. Jeffrey in a recent generic revision [see Steele under "Germane Literature" in The Cutting Edge 17(4), Oct. 2010], but we suspect the jury may still be out on this issue.
ORCHIDACEAE. José González, botanical guru at the Estación Biológica La Selva, reports the first record from that site of Heterotaxis discolor (G. Lodd. ex Lindl.) Ojeda & Carnevali (J. González 11340, LSCR). Indeed, this is practically a new record for Costa Rica, as this sp. was not treated or even mentioned in the Manual Orchidaceae account [where it would have been called Maxillaria discolor (G. Lodd. ex Lindl.) Rchb. f.]. We say "practically" because it was later attributed to Costa Rica in Vol. 4 (2009: 84) of Francisco Morales's (INB) excellent Orquídeas de Costa Rica series [see Morales under "Germane Literature" in The Cutting Edge 17(1), Jan. 2010]. Chico cited his own collection number 17301 (INB), but the data for that specimen are not yet available on the INBio (ATTA) database. In any case, the presence of H. discolor in Costa Rica is hardly surprising, as it is a widespread spp. that had been known both to the north (Belize and Nicaragua) and south (Panama to Bolivia and Venezuela, the Guayanas, and Brazil).
RUBIACEAE. A fruiting specimen (Monro & Santamaría 5752) of what appears to be Elaeagia chiriquina C. M. Taylor has shown up among recently mounted material at INB. This sp. was already discussed as expected for Costa Rica under the genus heading in Charlotte Taylor's (MO) Manual Rubiaceae treatment, now being edited for our next volume. If confirmed by Taylor, this will apparently be just the third known collection of this sp. (and the first in fruit), otherwise represented only by the type, from Prov. Bocas del Toro, Panama, and a paratype from Prov. Chiriquí. Mesoamerican distributions of Elaeagia spp. are presently somewhat blurred in TROPICOS by identifications from unpublished thesis work, subsuming this and three other spp. recognized in the Manual under an incredibly broad concept of E. mariae Wedd., originally described from Peru.