Arachnothryx guettardioides Standl. ex Steyerm.
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Authority
Maguire, Bassett. 1967. The botany of the Guayana Highland--Part VII. Mem. New York Bot. Gard. 17: 1-439.
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Family
Rubiaceae
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Scientific Name
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Description
Latin Diagnosis - Arbor parva 5 m, ramis supra puberulentibus; stipulis oblongo-ovatis subacutis 3 mm longis parce puberulentibus; foliis petiolatis, petiolis 5-11 mm longis parce puberulentibus vel glabratis, laminis late ovatis vel ovali-obovatis apice abrupte subacuminatis basi late rotundatis vel subtruncatis 12-17.5 cm longis 6-11.5 cm latis supra glabris subtus costa media nervis lateralibusque nervulisque pilis densis tenuibus arachnoideis instructis aliter glabris, nervis lateralibus utroque latere 11-21 prominentibus; inflorescentiis terminalibus; hypanthio anguste tur-binato 3.5-1 mm longo 1.5 mm lato dense arachnoideo-pannoso; calyce lobis 4 post anthesin reflexis triangulari-lanceolatis vel lanceolatis subacutis 2-3.5 mm longis 0.5-0.8 mm latis extus puberulis intus glabris.