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The Cutting Edge
Volume XIV, Number 1, January 2007
News and Notes | Recent Treatments |
Leaps and Bounds | Germane Literature |
Season's Pick | Annotate your copy
BORAGINACEAE. James S. Miller (MO). We tote 54 Costa Rican spp. of Boraginaceae
in 10 genera (including Rochefortia, accounted for only in the genus key). The most
sp.-rich genera are Cordia (15), Tournefortia (13), Varronia (9), and
Bourreria (7). Four spp. are endemic to the country (mostly in the Golfo Dulce region):
Bourreria grandicalyx J. S. Mill. & Sirot, B. rinconensis J. S. Mill.,
Cordia liesneri J. S. Mill., and Tournefortia isabellina J. S. Mill. No spp. are
treated hypothetically, and none that is exclusively cultivated, although the Chinese native
Cynoglossum amabile Stapf & J. R. Drumm. is naturalized. Borago officinalis L.,
sometimes planted in Costa Rican gardens, is mentioned in the family discussion. Varronia
is resegregated from Cordia on the authority of a publication by the author currently “in
press,” in which two new combinations for spp. occurring in Costa Rica will be validated.
The family is here treated in the traditional sense (Boraginaceae s. l., exclusive of Hydrophyllaceae
and Lennoaceae), as are the evidently unnatural genera Heliotropium and Tournefortia;
the unsettled classification of these taxa is discussed concisely under the appropriate headings.
Incidentally, we wanted to take this opportunity to congratulate Jim on his new position at NY, and to
wish him well; he will be moving on in February, but will continue to collaborate with us on his Manual
treatment.
MALPIGHIACEAE. W. R. Anderson (MICH). This account formally treats 75 spp. in 19 genera, including
four recently segregated by the author from Mascagnia [see The Cutting Edge 13(4): 2, Oct. 2006]. Bunchosia
has the highest sp. total (14), followed by Heteropterys, Stigmaphyllon, and Tetrapterys (9 each) and
Hiraea (8). We count 16 spp. of Malpighiaceae as endemic to Costa Rica: five in Bunchosia, two each in
Heteropterys, Hiraea, Stigmaphyllon, and Tetrapterys, and one apiece in Dicella, Lophanthera, and Mascagnia.
Four spp. are undescribed and provided with provisional names (“sp. 1”), one each in Bunchosia, Hiraea,
Mascagnia, and Tetrapterys. Two spp. of hypothetical occurrence in Costa Rica are accorded full treatment,
as both are known from within a few km of the border: Bunchosia stipulacea W. R. Anderson, from the
Panamanian side of the Península de Burica, and Stigmaphyllon bannisterioides (L.) C. E. Anderson, from
San Juan del Norte, Nicaragua. No Malpighiaceae spp. known exclusively in cultivation met the Manual
criteria for formal inclusion, however several such spp. receive brief mention in the family discussion
(Galphimia gracilis Bartl.) or under the individual genus headings [e.g., Banisteriopsis caapi (Griseb.)
C. V. Morton, Malpighia emarginata DC.]. The key to genera functions for either flowering or fruiting
material.
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