Aristolochia birostris Duchartre 1854: 60–62

Lucena, Danielly da Silva, Lucena, Maria de Fátima de A. & Alves, Marccus, 2017, Climbers from two rock outcrops in the semi-arid region of Brazil, Check List 13 (5), pp. 417-427 : 422-424

Aristolochia birostris Duchartre 1854: 60–62 — Araújo

2013, BFG 2015, Mobot 2016, The Plant List 2016 Material examined. Table 1, Figures 7, 8 Stem voluble, herbaceous, glabrescent when young;

tendrils absent. Leaf base deeply cordate, apex acute. Perianth strongly zygomorphic, vinaceous to brown. Fruit cylindrical capsule; seed deltoid, warty. It differs from other species by the shape and color of the perianth.

Centrosema brasilianum (L.) Bentham 1837: 54. — Silva et al. 2015: 05, Queiroz 2009, BFG 2015, Mobot 2016, The Plant List 2016.

Material examined. Table 1, Figure 9

Stem voluble, herbaceous; tendrils absent. Young stem, petiole, rachis and inflorescence axis glabrous. Leaf 3-foliolate, leaflets glabrescent, ovate to narrow-lanceo- late. Flower with purple to violet petals. It differs from other Fabaceae in the study areas mainly by the shape of its leaflets, which in the other species range from deltoid, elliptical, obovate, rhomboid to suborbicular.

Cissampelos glaberrima Saint-Hilaire 1825: 46 — Rhodes 1975: 30, Porto and Agra 2013, BFG 2015, Mobot 2016, The Plant List 2016

Material examined. Table 1, Figure 10

Stem voluble, herbaceous, glabrous to glabrescent, striate, tendrils absent. Leaf peltate, heart-shaped. Male and female inflorescences protected by reniform bracts. Fruits red, slightly tubercular. It differs from other species by its peltate leaves and bracts in the inflorescence.

Cissus verticillata (L.) Nicolson & Jarvis 1984: 33 — Lombardi 2013, Heald 2002, BFG 2015, Mobot 2016, The Plant List 2016

Material examined. Table 1, Figure 11

Species highly polymorphic. Stem herbaceous; tendril opposite leaf, which is simple with an entire, denticulate margin. Corolla glabrous, yellowish-green. Differing from Cissus simsiana Schult. & Schult. f., which has pal- mately compound leaves.

Dalechampia scandens Linnaeus 1753 — Lucena 2009, BFG 2015, Mobot 2016, The Plant List 2016

Material examined. Table 1, Figure 12

Stem voluble; herbaceous, hirsute; tendril absent. Leaf 3-lobed. Pseudanthium with foliaceous bracts (2) green, 3-lobed. Fruit capsular, compressed-globose; seeds globular. It differs from other Euphorbiaceae in the areas by its lobed bracts and leaves.

Dioclea grandiflora Martius ex Bentham 1837: 68–69 — Ferreira et al. 2015: 42, Queiroz 2009, BFG 2015, Mobot 2016, The Plant List 2016

Material examined. Table 1; Figure 13.

Stem voluble, woody; tendrils absent. Young stems, petiole, rachis and abaxial surface of leaflets villous. Pod 16 × 3.5 cm, corroborating Queiroz (2009) and Cordula et al. (2009), with valves woody and villous; seed brown to reddish. It differs from other species of Fabaceae in the study areas mainly by the characteristics of its pods and seeds, as described above.

Ditassa hastata Decaisne 1844 — Konno and Farinaccio 2013, BFG 2015, Mobot 2016, The Plant List 2016

Material examined. Table 1, Figure 14

Stem voluble, herbaceous, glabrous, lactescent; tendril absent. Leaves hastate, sometimes triangular, colleters present at the base. Flowers tiny, white. It differs from other species in the areas by the shape hastate or triangular of its leaves.

Ipomoea nil ( L.) Roth (1797) — Buril and Alves 2011, BFG 2015, Mobot 2016, The Plant List 2016

Material examined. Table 1, Figure 15

Stem voluble, herbaceous, hirsute, lactescent, tendril absent. Leaves 3-lobed, base cordate. Corolla funnelshaped, glabrous, lilac, pink to blue with white face. It is different from other species in the areas mainly by the shape 3-lobed of its leaves.

Mandevilla tenuifolia (J. C. Mikan) Woodson 1933 — Morales and Simões 2013, BFG 2015, Mobot 2016, The Plant List 2016

Material examined. Table 1, Figure 16

Stem voluble, herbaceous, strigose, vinaceous, lactescent; tendril absent. Leaves linear. Corolla hippocrateriform, floral tube narrow; rosy with whitish face. Differing from other species in the areas by the shape of its perianth and the color of its petals.

Mandevilla scabra Schumann 1895 — Morales and Simões 2013, BFG 2015, Mobot 2016, The Plant List 2016

Material examined. Table 1, Figure 17

Stem voluble herbaceous glabrescent, lactescent; tendril absent. Leaves elliptical, the apex acute and base cordate, colleters along midrib. Corolla hippocrateriform, yellow with a red to orange face. It differs from other spe- cies by its colleters along the midrib of the leaf.

Merremia macrocalyx (Ruiz & Pav.) O’Donell 1941 — Buril and Alves 2011, BFG 2015, Mobot 2016, The Plant List 2016

Material examined. Table 1, Figure 18

Stem voluble, herbaceous, glabrous to hirsute, lactescent, tendril absent. Leaves palmately compound, leaflets glabrous. Corolla funnel-shaped, glabrous, white. This species differs from other Convolvulaceae by its divided leaf blade.

Passiflora silvestres Vellozo 1827 — Araújo 2013, BFG 2015, Mobot 2016, The Plant List 2016

Material examined. Table 1, Figure 19

Stem herbaceous, glabrous; tendril axillary. Leaves simple, entire; petiole with stipitate glands (2) at the middle, stipules oval-lanceolate, persistent. Sepals and petals white. It differs from other species by its glands on the petioles and entire leaves.

Serjania glabrata Kunth 1821 — Oliveira 2009, BFG 2015, Mobot 2016, The Plant List 2016

Material examined. Table 1, Figure 20

Stem woody, angular, pubescent to velutinous, lactescent, tendril at the inflorescence base. Leaves 5-foliolate, leaflets with dentate margin, rachis not winged. Flowers

zygomorphic, white. Fruit schizocarpic with 3 samaroid mericarps. It differs from other species of Sapindaceae in the areas by its fruit type and shape of the foliar rachis.

Smilax campestris Grisebach 1842: 3 — Andreata 1980, BFG 2015, Mobot 2016, The Plant List 2016

Material examined. Table 1, Figure 21

Stem herbaceous, aculeate; tendrils (2) from the sheath apex. Leaf alternate, venation curvilinear. Inflo- rescence cymose, flowers unisexual, green. It differs from other species by its thorns along the stem.

Tragia volubilis Linnaeus 1753 — Lucena 2009, BFG 2015, Mobot 2016, The Plant List 2016

Material examined. Table 1, Figure 22

Stem voluble, herbaceous, trichomes stinging; tendrils absent. Leaf alternate, margins dentate-serrate. Fruit capsular, tricoccate, compressed-globose; seeds globular. It differs from other species of Euphorbiaceae in the study areas mainly by its glandular, urticating trichomes which are present on the stems and in the inflorescences.