Monographs Details: Kotchubaea longiloba Steyerm.
Authority: Maguire, Bassett & Wurdack, John J. 1964. The botany of the Guayana Highland--Part V. Mem. New York Bot. Gard. 10: 1-278.
Family:Rubiaceae
Description:Latin Diagnosis - Arbor dioica 15-metralis, ramulis glabris; stipulis persistentibus ovato-oblongis obtusis 5-7 mm longis 3-4 mm latis glabris marginibus ciliolatis exceptis; foliis adultis glabris petiolatis, petiolis 5-10 mm longis glabris; laminis subcoriaceis supra atroviridibus subtus pallidiori-viridibus oblongo-ellipticis vel obovatis apice obtusis vel rotundatis basi acutis 7-13 cm longis 2-6 cm latis glabris, nervis lateralibus utroque latere 4-5 subtus tenuissime prominulis; floribus masculis speciosis odoratis cymis paucifloris pedunculatis in umbellulam terminalem 2-3-floram compositis, pedicellis 2-7 cm longis erectis glabris; calyce masculo tubuloso 12-17 mm longo 7-10 mm lato extus glabro apice ciliolato excepto intus toto dense flavido cano-sericeo apice irregulariter dentato 4-5 dentibus majoribus triangularibus vel rhomboideis obtusis vel rotundatis 1.5-2 mm longis cum 4 minoribus deltoideis vel triangulari-ovatis rotundatis vel acutis alternantibus; corolla mascula hypocrateriformi, tubo pallido-viridi vel flavido 22-35 mm longo basi 5 mm diam superne ampliato fauce 8-10 mm longa 10-12 mm diam, tubo extus parte basilari 17 mm longa glabra parte apicali canopuberulenti intus fauce dense flavido-villosa, lobis patenti-descendentibus luteis 8, lineari-lanceolatis longe acuminatis 45-50 mm longis 4-5 mm latis, utrinque cano-pulverulentibus; staminibus 8 vel 10 sessilibus, antheris anguste oblongis inaequalibus 5-7 mm longis apice acumine lanceolato acuminato 1 mm longo basi subsagittatis; stylo 3 cm longo inferne 2 cm longo glabro superne 1 cm longo breviter piloso; stigmatibus clavatis vel spatulato-oblongis 5-6 mm longis glabris; floribus fcmineis non visis; bacca non visa

Distribution and Ecology - VENEZUELA. Edo. Bolivar: near Rio Tirica, lower southwestern slopes of Chimanta-tepui (Torono-tepui), Chimanta Massif; rich forest, vicinity of Base Camp; alt. 1000 m; tree 50 ft tall; leaves subcoriaceous; corolla fragrant, lobes drooping, yellow; corolla-tube pale greenish to pale yellow; 24 May 1953, Julian A. Steyermark 75544 (holotype VEN, isotypes F, NY).

Discussion:

Fig. 75.

This species differs from all the other known species of the genus in having the corolla-lobes longer than the corolla-tube.