Banisteriopsis hatschbachii B.Gates

Authority

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

Family

Malpighiaceae

Scientific Name

Banisteriopsis hatschbachii B.Gates

Type

Type. Hatschbach 36745, Brazil, Goiás, mun. Alto Paraiso, fl fr (holotype, MBM; isotype, MICH).

Description

Latin Diagnosis - Fruticulus caulibus non ramosis cernuis ab xylopodio usque 2 m altus. Rami teretibus, appresso-sericei mox glabrati, lenticellis prominentibus punctati, de-mum rimis et fissuris suberosis evolutis. Stipulae minutae vel nullae. Folia opposita vel ternata; lamina 5.6-9.8 cm longa, 2.4-5.4 cm lata, in inflorescentia minori, ovata, basi truncata subcordatave, apice acuta, margine plana, subtus basi prope costam 2 glandes sessiles usque 1.0 mm diametro gerenti, supra initio appresso-sericea mox glabra, subtus initio laxe sericea, mox glabra, venis primariis supra prominulis, subtus prominentibus, reti venularum utrinque parum impresso. Inflorescentia floribus in umbellis 4-floriferis fasciculatis umbellis in cymis dispositis in axillis foliorum redactorum in ramis terminalibus gerentis, sparsim appresso-sericea vel glabrata; bracteis bracteolisque 1.2-2.2 mm longis, adaxialiter glabris, abaxialiter appresso-sericea, ante, per, vel post anthesin caducis; pedicellis sessilibus (8-) 11-23 mm longis, 0.8-1.0 mm diametro, 0.6-0.8 mm sine indumento, appresso-sericeis. Sepala 5, abaxialiter sparsim appresso-sericea, saepe apice glabra, adaxialiter glabra vel minute sericea, apice rotundata et saepe revoluta, sepalum anticum 2.8-3.5 mm longum, 1.7-2.4 mm latum, 4 lateralia 3.5-5.0 mm longa, 2.3-3.0 mm lata, glandes 1.3-2.8 mm longas et 0.6-1.4 mm latas gerentia, glandes 1.5-2.5 mm superantia. Petala 5, alba vel subrosea, aetate luteola vel salmonea, dentata laciniatave, 4 lateralia inter sepala patentia, ungue 1.5-2.0 mm longo, 0.4-0.6 mm lato, limbo 8.0-11.5 mm longo, 6.0-8.0 mm lato, orbiculari, eglanduloso, 2 anterioribus quam 2 posterioribus concavioribus; petalum posticum ungue erecto 4.5-5.0 mm longo, usque 1.3 mm lato versus apicem, apice non contracto, limbo 5.0-7.5 mm longo, 4.0-6.0 mm lato, obovato, retroflexo, piano vel convexo, eglanduloso. Stamina 10, filamentis 2.5-4.2 mm longis, proximaliter connatis, glabris; antherae retroflexae loculis 0.8-1.6 mm longis, sparsim pilosis pilis basi caespitosis, connectivis canarinis, petalis oppos-itis 0.6-1.0 mm longis, 0.4-0.6 mm latis, 0.2-0.4 mm profundis, apice parum glandulosis, illis sepalis oppositis 0.6-1.2 mm longis, 0.5-1.0 mm latis, 0.5-0.9 mm profundis, glandulosis dilatatisque, praesertim 3 sepalibus anterioribus oppositis. Ovarium 1.0-1.4 mm altum, carpellis 3, uniovulatis, liberis, toro pyr-amidali adnatis, candido-sericeis; styli 3, aequales, 3.0-3.2 mm longi, recti par-allelique, decrescentes versus apicem usque 0.3-0.4 mm diametro, stigmatibus capitatis. Fructus ex 3 samaris (vel abortu 1-2) constans; samara carpophoro usque 2 mm longo, 0.4 mm lato, nuce ovoidea 4-5 mm alta, 2.5-3.5 mm longa, laevi vel parum rugosa, appresso-pubescenti vel glabrata, ala 13-16 mm longa, 8-11 mm lata, appresso-sericea vel glabrata, pilis T-formibus, trabecula recta 0.8-1.2 mm longa, alis 2 posterioribus ad alam anticam subparallelibus; loculo nucis interius piloso.

Discussion

Collected in flower in December, February to March and May, and in fruit in May.

Distribution

Found only on rocky campos of the Chapada dos Veadeiros, Goiás, Brazil, at 1250-1500 m.

Brazil South America| Goiás Brazil South America|