Borreria intricata Steyerm.

  • Authority

    Maguire, Bassett. 1972. The botany of the Guayana Highland--part IX. Mem. New York Bot. Gard. 23: 1-832.

  • Family

    Rubiaceae

  • Scientific Name

    Borreria intricata Steyerm.

  • Type

    Type. Río Atabapo, sabanita opposite Manacal, Colombia, alt 125-140 m, 12 Jun 1959, shrub to 1 m; flowers white; frequent, J. J. Wurdack & L. S. Adderley 42988 (holotype NY, isotype VEN).

  • Description

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    Latin Diagnosis - Suffrutex basi lignescens intricate ramosus, caulibus ad 1-metralis quadrangulari-bus alatis, alis minute retrorseque serrulatis, ceterum glabris; foliis 4-7 × 0.5-0.8 mm glabris; stipularum vaginis glabris setis principalibus 3 glabris 0.5-1 mm longis; capitulis subhemisphaericis 8-9 mm diam; foliis involucralibus capitulis brevioribus; calyce hypanthioque 4.2 mm longo glabro; calycis lobis 4 aequalibus lineari-lanceolatis acutis 1.7-2 × 0.3-0.4 mm infra medium marginibus minute sparsimque ciliolatis ceterum glabris, inter lobos in sinu una appendice munitis; calycis tubo 0.7-0.8 mm longo glabro; hypanthio glabro; corollis infundibuliformibus 4.5 mm longis, tubo 2.5 mm longo basi 0.2 mm lato fauce 1.5 mm lato, lobis lanceolatis 1.5-2 mm longis; coccis 3.8 × 1.1 mm glabris; seminibus castaneis 1.7 × 0.6 mm minute reticulatis.

  • Discussion

    Fig 92.

    In its reduced leaves this taxon resembles B. oligodonta and B. capitata var tenella, and in its small heads subtended by short inconspicuous bracts it resembles B. oligodonta. From the above taxa and others resembling it, B. intricata differs in the glabrous hypanthium and fruiting cocci, the latter much longer than in other related taxa, predominantly 4 calyx lobes which are minutely and sparsely serrulate-ciliolate, the much larger corolla with more elongated corolla tube, and the intricately branched stems with suffruticose habit attaining nearly a meter in height.