Adenarake muriculata 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

  • Scientific Name

    Adenarake muriculata Maguire & Wurdack

  • Description

    Latin Diagnosis - Frutex parvus tenuis pauciramosus, ad 2 m altum; ramis 1.5-3.0 mm diam., glabris; foliis alternatis, vulgo 1-3 cm distantibus; petiolis 2-5 mm longis, tenuibus; stipulis similibus, inaequaliter flabelliformibus 2-3 mm longis glanduloso-denticulatis, demum caducis; laminis elliptico-lanceolatis (3-) 5-8 cm longis, 1.8-2.5 cm latis, chartaceis, ad apicem acuminatis ad basim acutis vel acuminatis; margine minute serrulato glanduloso-ciliato, petiolis 2-3 mm longis; inflorescentiis anguste paniculatis, bracteis bracteolisque plus minusve dissectis, patelliformi- glandulosis; pedicellis subfiliformibus 1.5-3.0 cm longis; sepalis 5, unicyclicis praecipue valvatis, oblongis ca. 5 mm longis, 1.0-1.2 mm latis, ad apicem 4-6-pectinato-patelliformiglandulosis; petalis ellipticis 12-15 mm longis, 6-7 mm latis, acutis; androgynophoro ca. 1.5 mm alto, corona androeceali cupuliformi ca. 1 mm alta; staminodiis 2-seriatis, exterioribus 10, lanceolatis 3.0-3.5 cm longis, 0.7-0.8 mm latis, staminibus oppositis, interioribus 5, spathulato-oblanceolatis 6-7 mm longis, ca. 2 mm latis, 1-nervatis, staminibus alternatis; staminibus S. filamentis ca. 0.3 mm longis; antheris lanceolatis ca. 4 mm longis, ca. 0.6 mm latis, in apiculum 0.5 mm longum productis, 4-thecatis disto-lateraliter dehiscentibus; ovario ad basim coronae disposito, conico, 3-carpellato, ad basim 3-septato, placentis centralibus, ovulis ca. 20 evidenter anatropis; capsula septicidali, ad basim solo intruso-septata; seminibus ellipticis, 1.1-1.5 mm longis, 0.7-0.8 mm latis brunneis, bicuspidatis minute echinulatis.

  • Discussion

    Fig. 27C.

    Adenarake muriculata superficially resembles Adenanthe bicarpellata in the somewhat similar glandular calyx, and Lavradea in general habit. It is obviously closely related to neither, but has more probably developed along an independent evolutionary line. The cyclic calyx, conspicuous androgynophore, and septicidal capsule, valvate above and completely (3-) septate at the base, are unique in the tribe.