Dendrosipanea
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Authority
Maguire, Bassett & Wurdack, John J. 1964. The botany of the Guayana Highland--Part V. Mem. New York Bot. Gard. 10: 1-278.
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Family
Rubiaceae
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Scientific Name
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Description
Latin Diagnosis - Capsula ab apice septicidali dehiscens.
Species Description - Shrubs or small trees. Stipules interpetiolar, entire to bifid with a pronounced acute to acuminate apex, mainly persistent. Leaves opposite, petiolate. Inflorescence many-flowered, terminal, trichotomously branched into a cincinnate cyme. Bracts of inflorescence inconspicuous, subtending short pedicels. Calyx-lobes 5, persistent, equal or unequal. Calyx-tube (hypanthium) turbinate. Corolla white, hypocrate'riform, the tube elongated-cylindrical, densely yellow-barbate in throat, villosulous within to above a glabrous or papillate basal portion. Corolla-lobes 5, contorted, shorter than the tube. Stamens 5, included, inserted about half-way up corolla-tube. Anthers dorsifixed, linear-oblong, apiculate, subsagittate at base. Free portion of filaments short, the vascular tissue extending prominently as a ridge to base of corolla-tube. Style equaling or much shorter than corolla-tube, glabrous; annular disk at base of style short; stigmas oblong-ovate or oblong, glabrous. Capsule septicidally dehiscing from the apex, slightly ligneous. Seeds numerous, minute, irregularly many-sided, angled, finely scrobiculate, 1-2 mm long.
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Discussion
Type species: Dendrosipanea spigelioides Ducke.