Banisteriopsis pulchra B.Gates
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Authority
Gates, Bronwen. 1982. Banisteriopsis, Diplopterys (Malpighiaceae). Fl. Neotrop. Monogr. 30: 1-238. (Published by NYBG Press)
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Family
Malpighiaceae
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Scientific Name
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Type
PARAGUAY: 50 km N of Río Ypané, on road to Pedro Juan Caballero, flower, fruit, Anderson 11789 (MICH, K, NY)
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Description
Latin Diagnosis - Frutex volubilis vel liana. Rami teretes, appresso-sericei, demum glabrati. Stip-ulae minutae, usque 0.5 mm longae, triangulares, sericeae. Folia opposita, lamina 4.7-14.0 cm longa, 2.5-8.3 cm lata, late elliptica vel ovata, basi obtusa et parum asymmetrica, apice apiculata caudatave, margine plana, subtus in nervis late-ralibus 2-4(-8) glandes stipitatas gerenti, supra sparsim appresso-sericea vel glabrata, subtus dense candida appresso-sericea vel glabrata, pilis T-formibus, pede 0.04-0.09 mm longo, trabecula 0.9-2.0 mm longa, venis venulisque supra parum prominentibus et subtus prominentibus, petiolo 10-25 mm longo, appresso-seri-ceo, apice 2 glandes stipitatas gerenti. Inflorescentia floribus in umbellis 4-floriferis fasciculatis, umbellis in cymis dispositis, appresso-sericea; bracteis brac-teolisque 1.6-2.5 mm longis, lanceolatis, abaxialiter appresso-sericeis, adaxialiter glabris, per vel post anthesin caducis; pedunculis 0-2 mm longis, pedicellis (8-) 12-17 mm longis, 0.9-1.2 mm diametro, 0.6-0.8 mm sine indumento, appresso-sericeis. Sepala 5, abaxialiter sericea, adaxialiter omnino minute tomentosa, oblonga, apice rotunda et interdum revoluta; sepalum anticum 4.5-5.0 mm lon-gum, 2.0-2.5 mm latum, 4 lateralia 4.5-5.8 mm longa, 2.5-2.8 mm lata, glandes 2.0-3.0 mm longas et 0.8-1.4 mm latas gerentia et 2.5-3.0 mm superantia. Petala 5, rosea, aetate albicantia, fimbriata, 4 lateralia inter sepala patentia, ungue 1.0-2.5 mm longo, 0.4-0.5 mm lato, limbo 7.5-11.0 mm longo, 7.0-10.5 mm lato, orbiculari, eglanduloso, 2 anterioribus quam 2 posterioribus concavioribus; petalum posticum ungue erecto 3.5-4.2 mm longo, usque 1.4 mm diametro, apice constricta, limbo 7.0-9.0 mm longo, 6.0-8.0 mm lata, oblongo, retroflexo, piano convexove, fimbriis basalibus dilatatis glandulosisque. Stamina 10, filamentis 2.0-5.0 mm longis, proximaliter connatis et inter stylos posticos inflexis; antherae loculis 0.8-1.6 mm longis, sparsim pilosis, interdum solum basi et apice, connec-tivis canarinis, petalis oppositis 0.6-1.4 mm longis, 0.4-1.0 mm latis, 0.1-0.7 mm profundis, solum 2 petalis anterioribus oppositis glandulosis, illis sepalis oppositis 0.6-2.2 mm longis, 0.4-1.6 mm latis, 0.3-1.2 mm profundis, omnibus glandulosis, solum 3 sepalis anterioribus oppositis multum dilatatis, loculis 2 sepalis antero-lateralibus 0.2-1.4 mm supra superantibus. Ovarium 1.0-1.4 mm altum carpellis 3, uniovulatis, liberis, toro pyramidali adnatis, candido-sericeis; styli 3, stylo antico rectum, 2.8-4.0 mm longo, 0.4 mm lato, stylis posticis 3.5-5.0 mm longis, divergentibus, basi lyratis, stigmatibus capitatis. Fructus ex 3 samaris (vel abortu 1-2) constans; samara carpophoro usque 3.5 mm longo, 0.8-1.0 mm lato, nuce ovoidea 7-10 mm alta, 6-8 mm longa, appresso-pubescenti, viridi, tuberculata vel manifeste alulata, alulis usque 6 mm altis, ala 19-33 mm longa, 8-15 mm lata, oblonga obovatave, viridi, appresso-sericea, pilis sessilibus T-formibus, trabecula recta gracilis 0.4-0.5 mm longa, alis posterioribus parum parallelis ad alam ante-riorem, loculis interius glabris.