Banisteriopsis harleyi B.Gates

  • Authority

    Gates, Bronwen. 1982. Banisteriopsis, Diplopterys (Malpighiaceae). Fl. Neotrop. Monogr. 30: 1-238. (Published by NYBG Press)

  • Family

    Malpighiaceae

  • Scientific Name

    Banisteriopsis harleyi B.Gates

  • Type

    Type. Harley 15875A, Brazil, Bahia, Serra do Sincorá, 2 km N of Cascavel on road to Mucugé, fl fr (holotype, CEPEC; isotype, MICH).

  • Description

    Latin Diagnosis - Frutex erectus usque 1.5 m, interdum scandens, ramis junioribus teretiusculis, laxe cineraceis-arachnoideo-tomentosis, ramis vetustioribus demum glabratis, teretibus, fuscis, lenticellis numerosis prominentibus fuscis. Stipulae 1.0-2.0 (-5.0) mm longae, lineares, omnino cineraceo-tomentosae vel abaxialiter apice glabratae. Folia opposita; lamina (1.0-)1.7-6.0 cm longa, 1.0-3.0 cm lata (vel in inflorescentia minori), late elliptica vel rotunda, basi truncata cordatave, apice brevi-acuminata apiculatave, margine revoluta integraque, 2-4 glandes peltatas in nervis lateralibus subtus gerenti, supra pubescenti mox glabrata, subtus pertinaciter dense candido-sericea, bullata, nitida, venis primariis secundariisque supra impressis, subtus prominentibus; petiolo crasso 0.5-2.0 mm longo, cinera-ceo-tomentoso, eglanduloso. Inflorescentia floribus in umbellis racemisve 4-floriferis fasciculatis, umbellis in cymis dispositis semel vel bis composita, laxa densave, cineracea-arachnoideo-tomentosa; bracteis bracteolisque 1.0-1.8 mm longis, late triangularibus, abaxialiter cineraceo-tomentosis, adaxialiter glabris, persistentibus; pedicellis sessilibus 8-13 mm longis, 1.0-1.2 mm late, 0.6-0.8 mm sine indumento, laxe candido-sericeis. Sepala 5, abaxialiter albo- vel aureosericea sparsim versus apicem, adaxialiter basi minute velutina, apice rotundata in-troflexaque, 4 lateralia 2.8-3.6 mm longa, 3.0-3.5 mm lata, glandulis viridis 2.0-2.4 mm longis, 1.2-1.4 mm lata, sepalo antico 2.8-3.0 mm longo, 2.2-2.5 mm lato, late elliptico, medio carinato. Petala 5, alba demum erubescentia, postica interdum rosea, longissime fimbriata, orbicularia, glabra, 4 lateralia inter sepala patentia, ungue 2.4-3.0 mm longo, 0.6-0.7 mm diametro, limbo 5.0-8.0 mm longo latoque, eglanduloso vel interdum fimbriis glanduliferis, 2 anterioribus quam 2 posterioribus concavioribus parum majoribus, petalo postico ungue erecto 4.0- 5.0 mm longo, distaliter complanato dilatatoque, usque 1.2 mm lato apice, limbo 3.5-5.0 mm longo, 4.0-6.0 mm lato, recurvato, convexo vel piano, fimbriis basa-libus auctis glanduliferisque. Stamina 10, filamenta 0.8-1.8 mm longa, crassa, proximaliter connata, glabra; antherae recurvatae, subaequales, oblongae, loculis 1.4-1.8 mm longis, sparsim pilosis, connectivis 0.8-1.2 mm longis, 0.7-0.9 mm latis, 0.3-0.6 mm profundis, laevibus, luteis, eglandulosis. Ovarium 1.0-1.4 mm altum, candido-sericeum; styli 3, aequales, 2.0-2.2 mm longi, divergentes, basaliter sericei, apice aliquantum complanati, stylo antico magis, usque 0.9 mm lato apice, posticis usque 0.4-0.5 mm latis. Fructus ex 3 samaris (vel abortu 1-2) constans; samara immatura sine carpophoro, nuce ovoidea, 9.0-12.0 mm alta, 5.0-7.0 mm longa, laevi, velutina, ala usque 22 mm longa, 15 mm lata, nucem amplectenti, appresso-pubescenti.

  • Discussion

    Collected in flower in January and February, and in young fruit in February.

    This species is distinguished from B. argyrophylla by its smaller, sessile, coriaceous, strongly bullate leaves. The fruit wing of B. harleyi is shorter than in B. argyrophylla, but more, and mature, fruits of B. harleyi are needed for confirmation of this.

    Harley 15640 is unusual in many respects. It is a vine, with petioles up to 5 mm long, the leaves are narrowly elliptic up to 9 cm long, and are not very bullate, sometimes with only the primary veins impressed adaxially. Since little material of this species has been collected, little is known of the variation within the species, and other collections may be made which are intermediate in leaf size, shape and rugosity. The vining habit may indicate that this plant was growing in a habitat where support was available. The differences shown by this collection may reflect a less xeric habitat, or less recent or less frequent burning.

    This species is named for Raymond Harley, whose modern collections in Bahia include many hitherto unknown taxa.

  • Distribution

    Open grassland with occasional shrubs overlying white sand and crystalline quartz, alt. 1000-1200 m, central Bahia, Brazil.

    Brazil South America| Bahia Brazil South America|