Contains 4 accepted taxa overall.
Characteristics
Classification
Citation
PASSIFLORA Linnaeus, Sp. Pl. 955. 1753, nom. cons.
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TYPE: Passiflora incarnata Linnaeus, typ. cons.

Species
Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
---|---|---|---|---|
Passiflora gracilis | Annual Passionflower | |||
Passiflora incarnata | Maypops, Purple Passionflower | |||
Passiflora lutea | Eastern Yellow Passionflower | |||
Passiflora morifolia |
Identification Key
1. Petiole without glands; leaf blades mostly entire
2
1. Petiole with glands, or glands inconspicuous; leaf blades entire or toothed
4
2. Stems, tendrils, leaves, and fruit tomentulose to pubescent
2. Stems, tendrils, leaves, and fruit glabrate
3
3. Leaf blade usually bilobed or occasionally obscurely 3-lobed, with conspicuous rows of nectaries; flowers often paired; corolla white
3. Leaf blade usually 3-lobed, lacking nectaries; flower usually solitary; corolla greenish yellow
4. Petiole, leaf blade, and calyx with numerous gland-tipped trichomes
5
4. Petiole usually with a pair of glands and without gland-tipped trichomes, the leaf blade and calyx without gland-tipped trichomes
6
5. Petals and sepals pink to white; outer corona filaments 8-15 mm long, the basal portion pink, mauve, blue to purple towards, middle portion white, distal portion pink, blue-mauve, to very pale mauve (nearly white); mature fruit red
5. Petals and sepals white (sometimes lightly pink tinged distally); outer corona filaments 10-18 mm long, filiform, the basal portion mauve to lilac, distal portion white; mature fruit yellow to orange
6. Leaf blade margin entire to undulate
7
6. Leaf blade margin toothed
11
7. Stipules foliaceous, clasping; petiolar gland stalked, capitate to cylindric
8
7. Stipules linear to subulate; petiolar gland sessile, globular or inconspicuous
9
8. Petiolar gland capitate; leaf blade sinuses mostly deeply acute
8. Petiolar gland cylindric; leaf blade sinus mostly shallowly rounded
9. Stems and leaves densely tomentulose-puberulent; leaf blade reticulate venation pronounced and prominent on the lower surface; ovary sessile
9. Stems and leaves glabrate to puberulent; leaf blade reticulate venation mostly obscure to apparent and flat on the lower surface; ovary borne on a gynophore
10
10. Leaf blade nectaries absent, the blade base cuneate to acute; sepals (2.3)4.0-7.0(8.3) mm long; hypanthium 2.8-4.1 mm wide; androgynophore (1.7)2.2-3.5 mm long; outer coronal filaments 1.2-4.0 mm long; inner coronal filaments less than 1.4 mm long; staminal filaments 1.4-3.0 mm long, pollen yellow; fruits globose or ellipsoid; peninsular Florida
10. Leaf blade nectaries present or absent, the blade base commonly cordate or cuneate to acute; sepals 4.0-14.6(20.5) mm long; hypanthium (3.0-)4.0–8.8 mm wide; androgynophore (2.1)2.7-6.1(12.6) mm long; outer coronal filaments 2.5-8.1 mm long; inner coronal filaments more than 1.4 mm long; staminal filaments 1.6-6.0(6.8) mm long, pollen whitish or yellow; fruits ovoid, ellipsoid or transversely ellipsoid; considered absent from Florida
11. Leaf blade unlobed
11. Leaf blade usually lobed
12
12. Petiolar glands inconspicuous; petals and outer corona red
12. Petiolar glands conspicuous; petals and outer corona white to purple
13
13. Petiolar gland ca. mid-petiole; leaf blade usually 5-lobed
13. Petiolar gland in the distal third; leaf blade usually 3-lobed
14
14. Leaf blade lustrous on the upper surface; bracts subtending flower 15-25 mm long; androgynophore with a 5-lobed swelling at the opening of the floral tube; fruit green-yellow to purple, the pulp yellow to orange
14. Leaf blade dull on the upper surface; bracts subtending flower 3-8 mm long; androgynophore lacking an evident swelling at the opening of the floral tube; fruit green to greenish yellow, the pulp whitish to pale yellow
Genus Synonyms
Synonym | Full Citation | Basionym | Type |
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No synonyms found. |