Passiflora

Passiflora subgenus Passiflora Figs 7–9 (287 spp.) Taxonomic description Vines slender to woody; monoecious; tendrils entire, adhesive disks absent; stipules minute to foliaceous in most species; glands (0)2–many, distributed across the petiole; leaves simple, entire to lobed in most species; ocelli absent; main ribs 3; inflorescences 1-flowered (in most species), 2-flowered, racemose, or cymose; bracts 3, minute to well-developed in most species, bracteoles absent; hypanthium campanulate, cylindrical, cylindrical-campanulate, funnelform, or patelliform; flowers whitish, purple, violet, pink, red, or their combination, with corona presenting these colors and colored bands; sepals 5; petals 5; corona with 1–20 series of filaments; operculum present, curved or erect, filamentous at the apex; nectariferous disk present, rarely inconspicuous or absent; limen absent, annular, membranaceous, or cupuliform; trochlea absent in most species, stamens 5; styles 3, stigmas 3; fruit a berry (Figs 7–8). Pollen description Pollen grains medium, large, or very large; isopolar or non-polar; when isopolar, oblate-spheroidal, prolate-spheroidal, suboblate, or prolate; polar area small or large; amb circular; 6-colpate, 5-, 6-, 7-, 8-, 9-, 10-, 12-, and / or 14-syncolpate, colpi long and narrow or wide; endoaperture absent; pseudopercula 3, 5–10, 12, 14, pontopercula 0 or 3; sexine semitectate (muri continuous, simplicolumellate, or duplicolumellate; lumina large (11.1–16.1 µm) or small (4.4–10.6 µm); bacula numerous). Sexine thicker or less thick than nexine, total exine 6.0–16.2 µm (Fig. 9).