Galipea dasysperma Gomez-Laurito & Q. Jimenez, from the tropical rainforests of Costa Rica and Nicaragua, is described, illustrated, and compared with its closest relatives. The neotropical genus Galipea (Rutaceae-Cuspariinae), comprised of about 10 species, is distributed mainly in northern South America (Elias, 1970; Porter & Elias, 1979; Mabberly, 1987). Galipea trifoliata Aublet, with trifoliolate leaves, reaches the Darien in southern Panama. Galipea granulosa Kallunki, also with trifoliolate leaves, is known from Nicaragua and Costa Rica, and G. panamensis Elias, with unifoliolate leaves, is found in Panama. Two other taxa described from Guatemala and Nicaragua are thought to belong to Angostura Romer & Schultes (Elias, 1970). A fourth species from Central America is herein described as new. Galipea dasysperma G6mez-Laurito & Q. Jimenez, sp. nov. TYPE: Costa Rica. Puntarenas: Peninsula de Osa, Sierpe, camino entre Rancho Quemado y Sierpe, 8?44'10N, 83?35'30W, 100 m, 21 jun. 1990, G. Herrera 4228 (holotype, CR; isotypes, F, K, MO, NY, USJ). Figure 1. Galipeae trifoliatae Aublet atque G. jasminifiorae Engler habitu, foliis trifoliolatis etiam inflorescentia corymbosa similis et sine dubio his speciebus proxima; ab eis praecipue corolla longiore marginibus undulatis lobulorum munita, carpellis biseminalibus, seminibus cuneiformibus omnino pubescentibus differt. Shrub or small tree to 6 m high and 12 cm DBH. Leaves alternate, 3-foliolate; leaflets entire, glabrous, the venation raised on the upper surface, glandular-dotted, the margins undulate. Terminal leaflet lanceolate, 11-15 cm long, 3.5-4.5 cm wide, acuminate at the tip, basally short-decurrent, with ca. 10 secondary nerves per side. Lateral leaflets lanceolate to ovate, 6-10 cm long, 2-3 cm wide, acuminate at the tip, unequal at the base. Petioles 3.4-5 cm long, semi-terete, canaliculate adaxially, very narrowly winged, glabrous, glandular-dotted with tiny resinous glands. Petiolules 3-10 mm long, glabrous. Inflorescence lateral, corymbose, 4-5 cm long, 2.5-3.5 cm wide, with 4-8 flowers; peduncles terete, 5-11 cm long, 1 mm diam., the branches 1-2.5 cm long; pedicels 2-5 mm long in flower, glabrous or with few scattered hairs. Calyx campanulate, 4-5 mm long, glandular-dotted, lobes 5, ca. 1 mm long, carinate, tube 2-3 mm long. Corolla 2-2.5 cm long, densely sericeous and glandulardotted without, white to cream color, hirsute within, fragrant, with 5 oblong-ovate lobes 1-1.9 cm long, the margins undulate, acute at the apex; tube 11.2 cm long, narrowed toward the base, straight or slightly curved. Fertile stamens 2, attached near the middle of the tube, filaments ca. 1 cm long; anthers slightly exserted at maturity, oblong, 6 mm long, 1.8 mm wide, acute at the apex, basal appendages minute, flaplike, about 1 mm long; staminodes 56 with pilose filaments, terete, 3-4 mm long, inserted near apex of tube, each with a spherical apical gland. Pollen spheric, granulate, 6.5 ugm diam. Disc cupular, enclosing the ovary. Ovary of 5 free carpels, glabrous, 1 mm long, each with 2 superposed ovules. Style 13 mm long, glabrous; stigma capitate. Fruits of 5 mericarps, subglobose, 1.5 cm long, 1.2 cm broad, each axially carinate, dehiscent from the apex to near the middle, glandular-punctate, green when fresh, greenish brown when dry. Seeds 2 per mericarp, cuneate, 5 mm long, 3.5 mm wide, dark brown, pusticulate and pilose with brownish yellow trichomes. Etymology. The epithet refers to the plant's remarkable pubescent seeds. Galipea dasysperma is widely distributed in Costa Rica and Nicaragua in wet and moist forest, on both the Caribbean and Pacific slopes, from 100 to 450 m elevation. It is found in primary and secondary forest associated with Amyris pinnata Kunth NOVON 4: 347-349. 1994. This content downloaded from 207.46.13.180 on Tue, 27 Jun 2017 17:57:14 UTC All use subject to http://about.jstor.org/terms