الوصف: |
Merremia hoehnei Petrongari & Sim. -Bianch. sp. nov. , Figs. 1 (A–G)–2. Type:— BRAZIL. São Paulo: Caieiras, 25 January 1945, F. C. Hoehne s.n. (holotype SP-74032!, [two sheets]). Ab omnibus speciebus generis trichomatibus simplicibus et trichomatibus stellatis 2–3-radiatis sparsis inmixtis differt . Affinis Merremiae hasslerianae (Chodat 1905: 693) Hassler (1911: 151) sed foliis 3-foliolatis ( non foliis simplicibus ) differt ; a M. digitata (Sprengel 1825: 808) Hallier f. (1893: 552) var. elongata (Choisy 1845: 337) D.F. Austin & Staples (1983: 484) sed foliis marginibus dentatis ( non foliis marginibus integris ) differt; a M. hirsuta O´Donell (1952: 275) sed indumento eglanduloso ( non simplice et glanduloso ) differt. Prostrate subshrubs. Stem 2–3 mm diameter, green to wine colored; internodes 1–4.2 cm long; indumentum hirsute, hyaline, with simple trichomes mixed with scattered 2–3-rayed stellate trichomes equal in length, ca. 1 mm long. Petiole 2–5 mm, hirsute. Leaves palmately-compound, 3-foliolate; leaflets sessile, lateral leaflets 2–4.7 × 0.6–1.7 cm, central leaflet 2.8–5.6 × 0.8–2 cm, narrow-elliptic to elliptic or oblong, apex acute to obtuse, mucronate, base cuneate to attenuate, margins irregularly dentate, both surfaces hirsute, secondary venation craspedodromous to brochidodromous, ca. 10 pairs of alternate and subopposite secondary veins leaving midrib, prominent on abaxial surface. Inflorescence an axillar monochasium compound of 1–2 flowers; peduncle 0.2–2.2 cm, hirsute; bracteoles linear, 4–8 mm long, sparsely hirsute; pedicels 2–5 mm, sparsely hirsute. Sepals unequal, elliptic, acuminate; external sepals 2, 7–11 × 2–3 mm, sparsely hirsute, internal sepals 3, 11–12 × 4–6 mm, glabrous; corolla 2.5–3.3 cm long, campanulate-infundibuliform, white, glabrous; stamens 5, epipetalous, filaments slender with a wide glandular base, whitish, 0.7–1.2 cm long; anthers twisted or incurved, cream colored; pollen tricolpate; ovary glabrous; style 1, ca. 1.7 cm long, whitish; stigmas 2, globose, ... |