Three new Andean species of the genus Huberia DC. are described and illustrated. These species were found between 1500 and 3350 m in restricted areas of northwestern Peru. The presence of staminodes in H. staminodia represents a new record for this floral structure for Huberia. A key is also provided for the four species of Huberia occurring in the Andean region: H. cogniauxii, H. peruviana, H. staminodia, and H. weberbaueriana. Huberia DC. is a neotropical genus of 16 species, the majority of which occur in eastern Brazil. Only one species, H. peruviana, was known to occur in Andean Ecuador and Peru. During a recent taxonomic revision of this genus (Baumgratz, 1997), species new to science were discovered, of which three, H. cogniauxii, H. staminodia, and H. weberbaueriana, from the Peruvian Andes are described, illustrated, and mapped (Fig. 1). Huberia staminodia Baumgratz, sp. nov. TYPE: Peru. Depto. Amazonas: Province of BongarB, between rio Utcubamba and Shipasbamba, 4 km from Campomiento Ingenio, altitude 1520 m, 2 Feb. 1964, P C. Hutchinson & J. K. Wright 3995 (holotype, NY; isotypes, F, K, US, USM). Figure 2. Frutices ca. 1 m alta, indumento glanduloso-furfuraceo etiam gemmis vegetativis glanduloso-vilosis; ramis tetragonis. Folia membranacea, anguste ovata vel elliptica, trinervia, margine integra vel apice crenata; domatia petiolaria tubulosa interdum leviter inflata. Flores saepe 4-meri, interdum 5-meri, hypanthio 8-anguloso, interdum 10-, calycis laciniis aequi-inaequilongisve, anguste triangularibus; petalis ellipticis vel angusto-obovatis, apice acutis, staminibus fertilibus et staminodiis, loculis antherarum sinuatis. Huberia staminodia affinis H. peruvianae, H. weberbauerianae et H. cogniauxii sed praesertim staminodiis praesentibus differt. Shrub ca. 1 m high; branches, leaves, inflorescences, bracts, prophylls, pedicels, hypanthium, and calyx glandular-furfuraceous, the vegetative shoots and their adjacent axillary regions also glandular-villous. Branches quadrangular, gray and sulcate, brownish when young. Petioles 0.5-1.5 cm long, the apex with one pair of tubular domatia, sometimes slightly inflated. Leaf blades 2.5-6.4 x 1.2-2.4 cm, membranaceous, narrowly ovate to elliptic, the base acute, the apex acute-acuminate, the margin entire or basal 2/3 entire and distal /3 crenulate, 3-nerved with the lateral veins arising at the base, the central secondary veins 10-13 pairs, transverse to oblique-ascendant. Inflorescences terminal, sessile, cymoids (Troll, 1969), corymbose or not, 2.5-3.5 cm long, with 15-25 flowers, the branches 2(-4), as triads or sometimes umbelliform cymes with 5 flowers, distal node a triad or umbelliform cyme with 9 or 13 flowers; bracts 2-21 X 0.5-9.0 mm, foliaceous, petiolate to sessile, membranaceous to thickened, ovate to elliptic or linear, slightly concave, the apex acute to obtuse, the margin entire or sometimes distal 3 crenulate; prophylls 1-2, 1-3 x 0.2-0.5 mm, thickened, oblong to linear. Flowers 4(-5)-merous; pedicel 6.07.5 mm long, obtusely quadrangular; hypanthium 3.1-4.0 x 2.0-2.5 mm, tubular, 8-angled, the apex slightly constricted; calyx lobes equal or unequal in size, (0.5-0.8)1.0-1.5 X (0.6-)0.8-1.1 mm, narrowly triangular, angled at abaxial surface, the base laminar, rigidly membranaceous, the apex thickened, subterete, oblong, rounded; petals white, 1011 x 3.0-4.3 mm, elliptic to obovate, the apex acute; fertile stamens 4-5(6-7), unequal in size, antisepalous and/or antipetalous, yellow, the filaments 5.8-6.3 mm long, the anthers narrowly triangular, the base symmetric or asymmetrically lobed, the thecae 4.5-5.6 mm long, undulate, bilocular to pseudo-bilocular to the apex, the tube unilocular, 0.3-0.4 mm long, the connective appendage 1.5-2.1 mm long, dorsal, filiform, straight or zigzag-shaped, sometimes absent; staminodia (12)3-4, antipetalous, subisomorphic, yellow, 7.5-9.5 mm long, filiform, the apex subulate, sigmoid to sinuous or sometimes zigzag-shaped; ovary Y-'6/7(-7/8) free, 3.8-4.0 x 2.0-2.1 mm, 4-locular, the ovules 1.1-1.3 mm long; style 12.0-12.5 mm long, subterete, the stigma punctiform. Fruit a ruptidium (a capsular fruit type; Baumgratz, 1997), 18-19 x 5.2-5.5 mm, the hypanthium and calyx persistent, urceolate, the apex slightly 8-angled, the pedicel 9-10 mm long; seeds 300-350, 2.2-4.0 x 0.4-0.7 mm, winged, linear to narrowly elliptic or ovate; embryo 0.4-0.7 mm long. NovoN 9: 139-146. 1999. This content downloaded from 157.55.39.46 on Sat, 11 Jun 2016 06:47:09 UTC All use subject to http://about.jstor.org/terms