Banisteriopsis parviflora (A.Juss.) B.Gates

Authority

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

Family

Malpighiaceae

Scientific Name

Banisteriopsis parviflora (A.Juss.) B.Gates

Type

Types. C. Gaudichaud s.n. (Herbier Impérial du Brésil 580), Brazil, fl (lectotype, P). Sellow IV it 5933, Brazil, São Paulo, fl (syntype, B destroyed, NY fragment ex B).

Synonyms

Banisteria parviflora A.Juss., Banisteria viridis Nied.

Description

Species Description - Liana, young branches terete, smooth, glabrous or with sparse appressed hairs or sparse basifixed hairs, old branches glabrous with papery peeling bark. Stipules up to 1 mm long, triangular. Leaves opposite or ternate, with the petiole 8-18 mm long, glabrous, eglandular, the lamina 3.6-16.8 cm long, 1.3-6.4 cm wide, elliptic to narrowly elliptic, cuneate to obtuse at the base, acute to acuminate at the apex, with the margin slightly revolute and bearing a stipitate gland on either side of the midrib near the base, glabrous on both sides or more rarely sparsely sericeous abaxially, with the reticulation prominent on both sides. Inflorescence axillary, of "racemes" of 4-flowered umbels, glabrous or with a few appressed hairs, the inflorescence leaves reduced to linear bracts, the bracts and bracteoles 0.6-1.0 mm long, broadly triangular, papery, glabrous, involucrate, persistent; pedicels sessile, 5-10 mm long, 0.4 mm in diameter, glabrous. Sepals 1.8-2.2 mm long, 1.2-1.8 mm wide, broadly elliptic to rotund, rounded at the apex, glabrous on both sides, eglandular or the 4 lateral sepals Eglandular, the glands 1.0-1.3 mm long, 0.9-1.0 mm wide, elliptic to round. Petals white, becoming pale yellow in age, short-fimbriate, glabrous, the 4 lateral petals reflexed between the sepals, the claw 1.8-2.2 mm long, the limb 3.0-4.5 mm long, 2.5-4.5 mm wide, the antero-lateral petals orbicular, cucullate, the postero-lateral petals broadly elliptic, plane, somewhat smaller than the antero-lateral petals, the posterior petal with the claw erect, 2.5-3.0 mm long, constricted apically, the limb 3.0-3.5 mm long, 2.5-3.0 mm wide, broadly elliptic, plane. Stamens with the filaments glabrous, those opposite the sepals 1.8-3.0 mm long, those opposite the petals 1.3-1.8 mm long, subequal; anthers with the locules 0.6-1.2 mm long, glabrous, the connectives opposite the 3 anterior sepals 0.8-1.1 mm long, 0.6-1.2 mm wide, 0.7-0.8 mm deep, tumid, glandular, obovate, projecting up to 0.6 mm beyond the locules, those opposite the petals and the postero-lateral sepals 0.5-0.7 mm long, 0.4-0.6 mm wide, 0.2-0.4 mm deep, broadly elliptic, not glandular or sometimes those opposite the antero-lateral petals with a glandular area in the middle, not projecting beyond the locules. Ovary 1.0-1.2 mm tall, sericeous, the anterior style 2.6-2.8 mm long, 0.2-0.3 mm in diameter, directed anteriorly, the posterior styles 2.0-2.4 mm long, more slender than the anterior style, parallel and almost touching throughout their length, directed posteriorly; stigmas capitate. Fruit with short broad carpophore, the nut 6-7 mm tall and 4 mm long, sparsely sericeous to glabrate, bearing on each side a short winglet projecting up to 3 mm, the dorsal wing 20-24 mm long, 8-9 mm wide, sparsely sericeous to glabrate, the hairs stiff, sessile, the trabecula 0.8-1.0 mm long.

Discussion

Collected in flower in February and April to June and in fruit in April.

Distribution

In the Atlantic coastal forests of Paraná, São Paulo and Rio de Janeiro.

Brazil South America| Rio de Janeiro Brazil South America| São Paulo Brazil South America| Paraná Brazil South America|