Monographs Details: Adenanthe bicarpellata Maguire & Wurdack
Authority: Maguire, Bassett & Wurdack, John J. 1961. The botany of the Guayana Highland--part IV (2). Mem. New York Bot. Gard. 10: 1-87.
Family:Ochnaceae
Description:Latin Diagnosis - Frutex pauciramosus 0.3-3.0 m altus; ramulis 8-10 mm diam.; foliis sessilibus saepe dense confertis, laminis ellipticis vel oblanceolatis, coriaceis, 3-11 cm longis, 1.5-4.0 cm latis, ad apicem obtusis vel acutiusculis, venis numerosis prominulis ad plus minusve 80° angulos adscendentibus; stipulis aequalibus ovatis vel lanceolatis, 1.0-1.5 cm longis, 5-7 mm latis, ovatis vel lanceolatis, acutis, caducis; inflorescentiis terminalibus paniculatis, 15-30 cm longis, ramulis lateralibus brevissimis vel 12-15 cm longis, bracteolis dissectis, glandulosis; sepalis 5, quincuncialibus ovato-lanceolatis vel lanceolatis acutis 3-5 mm latis, 8-13 mm longis, inconspicue 9-11-parallelivenatis, marginibus valde pectinate stipitato-glandulosis, stipitibus 2.5-3.5 mm longis; petalis 8-12 mm latis, 18-22 mm longis, obovatis obtusis, inconspicue punctato-glandulosis; staminodiis 10, 1-seriatis, in corona ca. 2 m m alta dispositis, staminodiis staminibus alternatis 5, anguste spathulati-oblongis, obtusis, interne ad basim earinatis, 8-9 m m longis, 1.1-1.3 mm latis, staminodiis staminibus oppositis 5, anguste lanceolatis anguste acutis, 9-10 mm longis, 0.5-0.8 mm latis; staminibus 5, subsessilibus introrse lineari-lanceolatis acutis 5-6 mm longis, ca. 1.2 mm latis, 4-thecatis, thecis posterioribus 0.2-0.3 mm productis, lateraliter dehiscentibus a poris elongatis subapicalibus; pistillis 2-carpellatis, 1-locularibus placentis parietalibus 2, ovulis numerosis; stylo subulato ca. 7-8 mm long; capsula ovata acuta, subcompressa, submembranacea, bivalvata, 8-10 mm alta, suturis non intrusis; seminibus 3.0-3.5 mm longis, plus minusve oblongis alatis alveolatis.

Distribution and Ecology - VENEZUELA: Bolivar: Chimanta Massif, central section, abundant and dominant around margins of savannas, swampy savanna above Summit Camp, alt. 1940 m; petals smaller than in 375-A, elliptic-oblong to ovate-oblongate, white with pink tips, inflorescence and sepals wine-red; 3 Feb 1955, Steyermark & Wurdack 377 (holotype, NY). Chimanta-tepui, frequent along Cano Mojado, east of North Escarpment above upper falls, alt. 1975 m; shrub m high, calyx mahogany-colored, petals pink, staminodia purple, open savanna form; 20 Feb 1955, Steyermark & Wurdack 986 (paratype) ; frequent, summit of Torono-tepui alt. 2167-2182 m, Steyermark 4 Wurdack 626, 375A (paratypes); rare, summit of Torono-tepui at base of zanjones, alt. 2152 m; shrub 3-4 m high, inflorescence and leaves extremely developed as compared with depressed swampy savanna type; 21 Feb 1955, Steyermark & Wurdack 1005 (paratype); occasional at base of escarpment. Camp 8, alt. 2050 m; shrub 3 m high, buds maroon, petals white apically pink; 23 Jan 1953, Wurdack 34162 (paratype); northwest summit of Abacapa

Discussion:

Fig. 27 A, B.