Scientific Name:
Passiflora caerulea L.
Vernacular Name(s):
Blue passion flower; Blue-crown passion flower

Glabrous vine. Shoots angular. Lvs 5-lobed almost to base, membranous; petioles 1–3 cm long, with 1–3 stalked glands usually near middle of petiole; stipules c. 2 cm broad, subreniform, undulate, sometimes dentate; lamina lobes subequal; middle lobe 3.5–6.5–(8.5) × 0.5–3 cm, elliptic-obovate or narrow-elliptic, sometimes almost linear on vegetative shoots, membranous and dull above, entire or crenulate, mucronate. Fls ☿, solitary. Pedicels 3.5–6.5 cm long. Bracts 2–2.8 cm long, broad-ovate, entire, cordate, imbricate. Hypanthium inconspicuous. Sepals and petals 3–4.5 cm long, oblong, white inside; sepals greenish outside and with short dorsal horn towards apex; corona threads c. 2 cm long, with base purple, middle white, and apex violet. Stamens greenish; anthers c. 10 mm long, = or slightly > filaments. Ovary glabrous. Fr. c. 3–5 cm diam., subglobose, yellow; pulp scanty and inedible. Seed c. 4 mm long, broad-elliptic, strongly alveolate, silvery brownish.

[From: Webb et al. (1988) Flora of New Zealand. Volume 4.]


Flowering: Dec.–Apr.

Biosecurity New Zealand 2012: Regional Pest Management Strategies Database.
Biosecurity New Zealand 4 Aug 2011: Unwanted Organisms Register.
Biosecurity New Zealand 2008: National Plant Pest Accord. MAF Biosecurity New Zealand, Wellington.
Howell, C. 2008: Consolidated list of environmental weeds in New Zealand. DOC Research & Development Series 292: 42.
Ministry for Primary Industries 23 Feb 2017: Unwanted Organisms Register. Version 02.01.02.