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The Cutting Edge
Volume X, Number 2, April 2003
News and Notes | Recent Treatments | Leaps and Bounds | Germane Literature | Season's Pick
ARALIACEAE. Francisco Morales's recent work on this difficult
family has already produced results, with the addition of two spp. to the
Costa Rican flora. The name Dendropanax stenodontus (Standl.) A. C.
Sm. has sometimes been applied to Costa Rica plants (e.g., at the
Estación Biológica La Selva) but, says Chico, always incorrectly
[mostly to D. arboreus (L.) Decne. & Planch.]. Up until now, that
is: the real D. stenodontus pleases to stand up in the form of a
collection from Parque Nacional Barbilla, at 300-400 m elevation on the
Atlantic slope of the northern Cordillera de Talamanca. Meanwhile,
Schefflera albocapitata M. J. Cannon & Cannon narrowly evades
Panamanian endemism with its recent discovery, by MO grad student Allison
Miller, at 1200-1300 m elevation near San Vito.
BRASSICACEAE. With only a scanned image to work from, Manual Brassicaceae
contributor Ihsan Al-Shehbaz (MO) has identified a recent collection
by Manual co-PI Barry Hammel as “most likely the perennial,
weedy, European“
Diplotaxis tenuifolia
(L.) DC. “If so“ (he went on), “then it is a new addition
to the [Costa Rican] flora“; as far as we can tell, it may be new to
all of Mesoamerica. Hammel confirmed the id. via Ihasan's “mature
fruits should show that there is a short gynophore and that the seeds are
in two rows“ In Costa Rica, one needn't mount an expedition to chalk
up country records: Barry found this one at the edge of a sidewalk in
downtown San José! Ihsan also reports that, while working at F and US
on his Flora mesoamericana treatment, he was able to verify two
additional new mustards for his already-submitted Manual account
[see
The Cutting Edge 8(1): 1-2, Jan. 2001]: Capsella bursa-pastoris
(L.) Medik. (which had been included, but without a voucher) and Cardamine
africana L.
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