Passiflora

Passiflora subgenus Tryphostemmatoides (Harms) Killip Fig. 4A–F Passiflora subgenus Tryphostemmatoides (Harms) Killip (Killip 1938: 24). — Passiflora section Tryphostemmatoides Harms (Harms 1925: 500). (6 spp.) Taxonomic description Vines slender to woody; monoecious; tendrils branched (2–4), adhesive disks present or absent; stipules minute (0.2–3 × 0.1–1 mm), sometimes deciduous; glands 0–2–4–6, at the petiole apex at the leaf-petiole junction; leaves simple, entire; main rib 1; ocelli absent; inflorescences 1- or 2-flowered, ending or not in a tendril, bracts 2–3, usually minute (0.5–2 × <0.1 mm), long in P. tryphostemmatoides (8–12 mm) and P. arbelaezii L.Uribe (5–13 mm), in which it can be wide (<5 mm), bracteoles present or absent; hypanthium shortly campanulate to campanulate; flowers greenish, yellowish-green, with corona banded white and yellow or yellow-orange, apex white; sepals 5; petals 5; corona with 1–3 series of filaments; operculum plicate, smooth, or laciniate, erect, membranaceous; nectariferous disk present (not described for P. nebulosae J.Restrepo & Ocampo); limen cupuliform to anneliform, membranaceous; trochlea present or absent in most species, stamens 5; styles 3, stigmas 3; fruit a berry. Pollen description Pollen grains medium or large; isopolar; oblate, subprolate, or prolate-spheroidal; polar area very small; amb subcircular or subtriangular; 6-syncolporate or 6-colporate, colpi long and wide; endoapertures 3, lalongate, one for each pair of colpi, or endoapertures 6, circular, one for each colpus; pontopercula 3 and mesocolpia 3 or pontopercula 3 and pseudopercula 3; sexine semitectate (muri continuous, simplicolumellate, lumina small (0.5–2.3 µm); bacula absent). Sexine as thick as or less thick than nexine, total exine 2.1–3.0 µm (Fig. 4A–F).